Saab AB

Sweden

Back to Profile

1-100 of 821 for Saab AB and 2 subsidiaries Sort by
Query
Aggregations
IP Type
        Patent 748
        Trademark 73
Jurisdiction
        World 428
        United States 322
        Canada 43
        Europe 28
Owner / Subsidiary
[Owner] Saab AB 814
Saab Barracuda AB 5
Alpha Thames, Ltd. 2
Date
New (last 4 weeks) 3
2024 March 5
2024 February 4
2024 January 3
2023 December 7
See more
IPC Class
B64D 1/02 - Dropping, ejecting, or releasing articles 40
F41H 11/02 - Anti-aircraft or anti-guided missile defence installations or systems 37
F15B 15/14 - Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith characterised by the construction of the motor unit of the straight-cylinder type 24
H01Q 21/00 - Antenna arrays or systems 22
F41G 3/26 - Teaching or practice apparatus for gun-aiming or gun-laying 20
See more
NICE Class
09 - Scientific and electric apparatus and instruments 53
12 - Land, air and water vehicles; parts of land vehicles 36
37 - Construction and mining; installation and repair services 29
42 - Scientific, technological and industrial services, research and design 26
13 - Firearms; explosives 25
See more
Status
Pending 61
Registered / In Force 760
  1     2     3     ...     9        Next Page

1.

COOLING SYSTEM OF AN ELECTRONIC MODULE WITH A LEAKAGE CONTROL DEVICE

      
Application Number 18256284
Status Pending
Filing Date 2021-12-08
First Publication Date 2024-03-28
Owner SAAB AB (Sweden)
Inventor Blennius, Martin

Abstract

A system for controlling the cooling of an electronic module is disclosed, the system including an electronic module extending in a first and a second direction, a cooling pipe structure and a leakage device. The cooling pipe structure is arranged to transfer a flow of cooling medium, so to cool the electronic module, wherein the cooling pipe structure further includes a muzzle extending outwardly from a circumferential portion of said cooling pipe structure and a coupling portion being mated with an open end of the muzzle wherein said leakage device includes a leak collecting means circumferentially enclosing a mating interface of the muzzle and the coupling portion, so to collect any leakage from the cooling pipe structure.

IPC Classes  ?

  • H05K 7/20 - Modifications to facilitate cooling, ventilating, or heating
  • H01Q 1/02 - Arrangements for de-icing; Arrangements for drying-out

2.

AN IGNITER FOR IGNITING EXPLOSIVES OR PYROTECHNIC COMPOSITION

      
Application Number SE2023050912
Publication Number 2024/063684
Status In Force
Filing Date 2023-09-18
Publication Date 2024-03-28
Owner SAAB AB (Sweden)
Inventor Törnberg, Pontus

Abstract

An igniter (100), for igniting explosives or pyrotechnic composition, comprising a container (102) for housing explosives or pyrotechnic composition (102a); and an electronic circuitry (104) comprising, two conducting electrodes (106), each having a first end (106a) and a second end (106b). Each first end (106a) is located inside the container, electromotive force, EMF, source, (108). Each second end (106) of the electrodes being arranged to be connected to the EMF source (108), and a control circuit (110). Said control circuit is configured to, based on obtained data, determining if a predetermined conditions is fulfilled, and the control circuit is arrange to connect the EMF source 108 with said each second end (106b) of the conducting electrodes (106). Each first end (106a) of the conducting electrodes (106) is arranged to, upon obtaining EMF, provide energy into said container (102). The container (102) and the electronic components of the electronic circuitry (104) are at least partly integrated.

IPC Classes  ?

  • F42B 3/10 - Initiators therefor
  • F02K 9/95 - Rocket-engine plants, i.e. plants carrying both fuel and oxidant therefor; Control thereof characterised by starting or ignition means or arrangements
  • F42B 3/12 - Bridge initiators
  • F42B 3/18 - Safety initiators resistant to premature firing by static electricity or stray currents
  • F42C 19/08 - Primers; Detonators
  • B60R 21/00 - Arrangements or fittings on vehicles for protecting or preventing injuries to occupants or pedestrians in case of accidents or other traffic risks
  • F42B 3/14 - Spark initiators

3.

A SINGLE-POLE DOUBLE-THROW RADIO-FREQUENCY SWITCH TOPOLOGY

      
Application Number 18256953
Status Pending
Filing Date 2021-12-15
First Publication Date 2024-03-28
Owner SAAB AB (Sweden)
Inventor Ikonen, Petri

Abstract

The present disclosure relates to a single pole double throw, SPDT, radio frequency, RF, switch topology including a first port, a second port, and a third port. A first switchable path is arranged between the first port and the second port and includes at least one first switching stage and at least one second switching stage. A second switchable path is arranged between the first port and the third port and includes at least one first switching stage and at least one second switching stage. Each first switching stage includes a first impedance network having a line inductance element and two shunt capacitors, the first switching stage further including at least one shunt PIN diode and a bias feed for applying a bias voltage to the at least one shunt PIN diode, wherein the two shunt capacitors of each first switching stage are grounded via the at least one shunt PIN diode.

IPC Classes  ?

  • H03K 3/01 - Circuits for generating electric pulses; Monostable, bistable or multistable circuits - Details
  • H03K 17/56 - Electronic switching or gating, i.e. not by contact-making and -breaking characterised by the use of specified components by the use, as active elements, of semiconductor devices

4.

A METHOD, SOFTWARE PRODUCT, AND SYSTEM FOR DETERMINING A POSITION AND ORIENTATION IN A 3D RECONSTRUCTION OF THE EARTH'S SURFACE

      
Application Number 18553806
Status Pending
Filing Date 2022-04-12
First Publication Date 2024-03-14
Owner SAAB AB (Sweden)
Inventor Ringdahl, Viktor

Abstract

The present disclosure relates to a method for determining a position and an orientation. The method (300) comprises the steps of obtaining (310) sensor data (210) comprising a plurality of images of Earth's surface from at least one calibrated camera; forming (320) a 3D reconstruction (220) of a part of Earth's surface based on obtained sensor data (210); obtaining (330) from a data storage (250), source data (260) indicative of a region comprising at least said part of Earth's surface, wherein said source data (260) comprises a source digital surface model, DSM, (270) for said region, and an orthophoto (280) of said region; determining (340a) a sensor DSM (230) of the 3D reconstruction (220) and a sensor texture (240) of the 3D reconstruction (220) based on the 3D reconstruction (220); matching (350) the sensor DSM (230) and the sensor texture (240) with the source DSM (270) and the orthophoto (280); and determining (360) the position and the orientation of the 3D reconstruction (220) based on the matching (350) of the sensor DSM (230) and the sensor texture (240) with the source DSM (270) and the orthophoto (280).

IPC Classes  ?

  • G01C 21/16 - Navigation; Navigational instruments not provided for in groups by using measurement of speed or acceleration executed aboard the object being navigated; Dead reckoning by integrating acceleration or speed, i.e. inertial navigation
  • G01C 21/00 - Navigation; Navigational instruments not provided for in groups
  • G06T 7/73 - Determining position or orientation of objects or cameras using feature-based methods
  • G06T 15/04 - Texture mapping
  • G06T 17/05 - Geographic models

5.

ELECTRONIC COUNTERMEASURE CARTRIDGE ARRANGED TO BE LOADED INTO COUNTERMEASURE DISPENSER AND ARRANGED TO IRRADIATE DISPENSED ELECTROMAGNETICALLY REFLECTIVE MATERIAL

      
Application Number 18556475
Status Pending
Filing Date 2022-04-21
First Publication Date 2024-03-14
Owner SAAB AB (Sweden)
Inventor Swanepoel, Albert

Abstract

The disclosure relates to an electronic countermeasure cartridge (6) arranged to be loaded into a countermeasure dispenser (7) in a mobile platform (1). The electronic countermeasure cartridge (6) comprises an electromagnetic transmitting means (8), an electric energy storage (9) arranged to supply the electromagnetic transmitting means (8) with electric energy and a trigger device (10) arranged to trigger a transmission of electromagnetic radiation from the electromagnetic transmitting means (8) upon detection of an incoming threat (2). The transmitted electromagnetic radiation is arranged to irradiate an electromagnetically reflective material (3) dispensed from the countermeasure dispenser (7). The disclosure also relates to a method for providing threat protection for a platform (1) and to a countermeasure system comprising a countermeasure dispenser (7).

IPC Classes  ?

  • F42B 12/70 - Projectiles, missiles or mines characterised by the warhead, the intended effect, or the material characterised by the warhead or the intended effect for signalling for dispensing discrete solid bodies for dispensing radar chaff or infrared material
  • B64D 1/04 - Dropping, ejecting, or releasing articles the articles being explosive, e.g. bombs
  • F41H 11/02 - Anti-aircraft or anti-guided missile defence installations or systems

6.

COMPACT BALUN WITH OUT-OF-BAND SPURIOUS SUPPRESSION

      
Application Number 18262260
Status Pending
Filing Date 2022-01-12
First Publication Date 2024-02-29
Owner SAAB AB (Sweden)
Inventor
  • Gunnarsson, Sten
  • Kuylenstierna, Dan

Abstract

A balun circuit is disclosed. The balun circuit has an unbalanced port and a balanced port, wherein the balanced port comprises a first terminal, and a second terminal. The balun circuit further comprises a main line having a first end and a second end, the first end being coupled to the unbalanced port. Moreover, the balun circuit comprises a first sub-line electromagnetically coupled to the main line, the first sub-line having a first end and a second end, wherein the first end of the first sub-line is coupled to the first terminal of the balanced port. The balun circuit further comprises a second sub-line electromagnetically coupled to the main line, the second sub-line having a first end and a second end, wherein the first end of the second sub-line is coupled to the second terminal of the balanced port.

IPC Classes  ?

  • H01P 5/10 - Coupling devices of the waveguide type for linking lines or devices of different kinds for coupling balanced with unbalanced lines or devices
  • H01P 5/12 - Coupling devices having more than two ports
  • H03H 7/42 - Balance/unbalance networks

7.

METHOD AND DEVICE FOR CONTROLLING THE OUTPUT EFFICIENCY OF A PLURALITY OF AMPLIFIERS

      
Application Number 18263954
Status Pending
Filing Date 2022-02-11
First Publication Date 2024-02-08
Owner SAAB AB (Sweden)
Inventor
  • Thorsell, Mattias
  • Höök, Anders

Abstract

The present invention relates to a method (300) for compensating output efficiency of a plurality of amplifiers arranged to operate with an antenna array, where the antennas in the antenna array are electromagnetically coupled to each other, for providing a desired functionality of the antenna array, the method (300) comprising the steps of obtaining (301) input signal characteristics for each amplifier; determining (302) suitable compensating control parameters for each amplifier based on at least one of the input signal characteristics of each antenna and pre-determined coupling factors between antennas; outputting (303) efficiency control signals for adjusting at least one amplifier control parameter relating to output efficiency of each antenna.

IPC Classes  ?

  • H01Q 3/26 - Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system varying the distribution of energy across a radiating aperture
  • H03F 1/02 - Modifications of amplifiers to raise the efficiency, e.g. gliding Class A stages, use of an auxiliary oscillation

8.

A MULTIPLE-INPUT MULTIPLE-OUTPUT RADAR SYSTEM

      
Application Number 18254416
Status Pending
Filing Date 2021-11-22
First Publication Date 2024-02-08
Owner SAAB AB (Sweden)
Inventor Falk, Kent

Abstract

The present disclosure relates to a multiple-input multiple-output (MIMO) radar system comprising an antenna comprising at least two sparse transmit arrays, each sparse transmit array comprising a plurality of antenna elements. The antenna elements of each sparse transmit arrays are at least partially overlapping with the antenna elements of the other sparse transmit arrays of the at least two sparse transmit arrays. Further, there is control circuitry connected to the antenna. The control circuitry is configured to transmit a signal having a waveform by means of each sparse transmit array, wherein the waveform of each signal is substantially orthogonal relative to a waveform of each other signal of each other sparse transmit arrays of the at least two sparse transmit arrays.

IPC Classes  ?

  • G01S 7/03 - RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES - Details of systems according to groups , , of systems according to group - Details of HF subsystems specially adapted therefor, e.g. common to transmitter and receiver
  • G01S 7/02 - RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES - Details of systems according to groups , , of systems according to group
  • G01S 13/931 - Radar or analogous systems, specially adapted for specific applications for anti-collision purposes of land vehicles

9.

A FRAGMENTATION WARHEAD AND A METHOD OF MANUFACTURING OF A FRAGMENTATION WARHEAD

      
Application Number 18256294
Status Pending
Filing Date 2021-12-06
First Publication Date 2024-02-01
Owner SAAB AB (Sweden)
Inventor
  • Vestlund, Johnny
  • Thor, Olov

Abstract

The present invention relates to a fragmentation warhead, including: an inner casing accommodating explosive charge; a fragmentation casing at least partly surrounding the inner casing; and an outer casing arranged outside the inner casing and the fragmentation casing; wherein the inner casing includes a front liner and a rear liner, which are connected to each other and wherein the fragmentation casing comprises a molded casing with integrated metal elements.

IPC Classes  ?

  • F42B 12/32 - Projectiles, missiles or mines characterised by the warhead, the intended effect, or the material characterised by the warhead or the intended effect of high-explosive type with fragmentation-hull construction the hull or case comprising a plurality of discrete bodies, e.g. steel balls, embedded therein

10.

HIGH VOLTAGE ADAPTER

      
Application Number 18262089
Status Pending
Filing Date 2022-01-17
First Publication Date 2024-02-01
Owner SAAB AB (Sweden)
Inventor
  • Smith, David
  • Sundbäck, Henrik

Abstract

The present disclosure relates to a high voltage adapter (1) for insertion into an adapter socket (2) in a high voltage unit (10), the adapter (1) comprises an oblong cylindrical main body (3) having a first outer diameter (D1), the main body (3) comprising a first circumferential portion (3′), the first circumferential portion (3′) having a second outer diameter (D2), wherein the second outer diameter (D2) is greater than the first outer diameter (D1). Further, the adapter (1) comprises a first threaded female portion (4) extending from a first base (5) of the main body (3) and a second threaded female portion (6) extending from an opposing second base (7) of the main body (3), each threaded female portion (4, 6) extending perpendicular to each corresponding base (5, 7) into the main body (3). Moreover, each threaded female portion (4, 6) is arranged to receive a threaded male connector (17, 18), so to transfer voltage signals from a first environment to a second environment. Also, the female portions (4, 6) extend towards each other and are separated by an inner wall (9).

IPC Classes  ?

  • H01R 13/53 - Bases or cases for heavy duty; Bases or cases with means for preventing corona or arcing
  • H01R 31/06 - Intermediate parts for linking two coupling parts, e.g. adapter
  • H01R 13/52 - Dustproof, splashproof, drip-proof, waterproof, or flameproof cases

11.

AN ANTENNA ARRAY

      
Application Number 18041810
Status Pending
Filing Date 2021-08-19
First Publication Date 2024-01-11
Owner SAAB AB (Sweden)
Inventor
  • Kähkönen, Henri
  • Ala-Laurinaho, Juha
  • Viikari, Ville

Abstract

The present disclosure relates to an antenna array including an integral antenna element structure mounted on a substrate. The integral antenna element structure includes a first set of antenna elements and a second set of antenna elements. Each antenna element including a first body and an adjacent second body. The second body is branched into a first leg and a second leg, wherein a transition pin forms an integral part with said first leg. The first set, and second sets of antenna elements are arranged such that the first body and the second body of each adjacent antenna element form a common tapered structure.

IPC Classes  ?

  • H01Q 13/08 - Radiating ends of two-conductor microwave transmission lines, e.g. of coaxial lines, of microstrip lines
  • H01Q 21/06 - Arrays of individually energised antenna units similarly polarised and spaced apart

12.

A MONOSTATIC RADAR SYSTEM

      
Application Number 18260049
Status Pending
Filing Date 2022-01-07
First Publication Date 2024-01-11
Owner SAAB AB (Sweden)
Inventor Silander, Anders

Abstract

The present disclosure relates to a monostatic radar system comprising a radar module comprising a transmitter, a receiver, and a signal processing unit. Further comprising a phase noise controller comprising an analog-to-digital converter, ADC. Further comprising an RF oscillator configured to transmit RF oscillator signals to said phase noise controller and said radar module, wherein the radar module is configured to transmit at least a first radar signal into an environment, wherein the radar signal is based on the RF oscillator signal, receive at least a second radar signal formed by reflections of the first radar signal from at least one object in said environment.

IPC Classes  ?

  • G01S 7/35 - RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES - Details of systems according to groups , , of systems according to group - Details of non-pulse systems

13.

ANTENNA ARRANGEMENT

      
Application Number 18253807
Status Pending
Filing Date 2021-11-23
First Publication Date 2024-01-04
Owner SAAB AB (Sweden)
Inventor
  • Svensson, Bengt
  • Höök, Anders
  • Viikari, Ville
  • Ala-Laurinaho, Juha
  • Leino, Mikko

Abstract

The present disclosure relates to an antenna arrangement including a first antenna configured to operate within a first frequency band and a second antenna configured to operate within a second frequency band. The first frequency band is higher than the second frequency band. Further, the second antenna is at least partly arranged within an illumination-field of the first antenna. Furthermore, the second antenna includes a dipole structure segmented into a plurality of electrically conductive sections, wherein each electrically conductive section is coupled to an adjacent electrically conductive section by a reactive load section.

IPC Classes  ?

  • H01Q 9/16 - Resonant antennas with feed intermediate between the extremities of the antenna, e.g. centre-fed dipole
  • H01Q 5/15 - Resonant antennas for operation of centre-fed antennas comprising one or more collinear, substantially straight or elongated active elements
  • H01Q 21/28 - Combinations of substantially independent non-interacting antenna units or systems
  • H01Q 5/30 - Arrangements for providing operation on different wavebands

14.

SHAPED CHARGE ASSEMBLY

      
Application Number SE2023050630
Publication Number 2023/249544
Status In Force
Filing Date 2023-06-20
Publication Date 2023-12-28
Owner SAAB AB (Sweden)
Inventor
  • Björkgren, Victor
  • Östlund, Johan
  • Lindgren, Patrik

Abstract

The disclosure relates to a shaped charge assembly (10) comprising a casing (110) and a liner (100), the liner being a hollow dome forming a hollow space, coaxially arranged around a longitudinal central axis (x) of the shaped charge assembly (10). The casing (110) and the liner (100) together defines a volume (130) comprising an explosive. The liner (100) comprises an internal surface (101 ) facing the hollow space and an external surface (102) facing the volume comprising the explosive. A tangent (101a) of the internal surface (101) and a base plane (y) formed at a base end (103) of the liner (100), the base plane being perpendicular to the longitudinal central axis (x), forms an angle (a) of at least 100°.

IPC Classes  ?

  • F42B 1/028 - Shaped or hollow charges characterised by the form of the liner
  • F42B 1/02 - Shaped or hollow charges
  • F42B 1/032 - Shaped or hollow charges characterised by the material of the liner
  • E21B 43/117 - Shaped-charge perforators
  • F42B 12/10 - Projectiles, missiles or mines characterised by the warhead, the intended effect, or the material characterised by the warhead or the intended effect of armour-piercing type with shaped or hollow charge

15.

A CAMOUFLAGE TAPE, AND CAMOUFLAGE TAPE SYSTEM FOR TEMPORARY MULTISPECTRAL CAMOUFLAGE OF OBJECTS

      
Application Number 18248534
Status Pending
Filing Date 2021-10-13
First Publication Date 2023-12-21
Owner SAAB AB (Sweden)
Inventor Jersblad, Johan

Abstract

The present disclosure relates to a multispectral camouflage tape for temporary multispectral camouflage of objects, such as weapons or military, comprising a camouflage material layer having camouflage properties in the visual and thermal infrared wavelength regions, the camouflage material layer including a textile and a thermal-radiation reflecting material; a tape layer including a tape substrate having an inward-facing side coated with an inner adhesive layer; and a releasable liner layer releasably adhered to the inward-facing side of the tape substrate through the inner adhesive layer, wherein the camouflage material layer is adhered to the tape substrate such that the camouflage material layer and the tape layer form a tape configured to adhered to an object by the inner adhesive layer at an inward-facing side of the tape substrate.

IPC Classes  ?

16.

HIGH INTEGRITY SAFETY MANAGEMENT

      
Application Number EP2023066144
Publication Number 2023/242353
Status In Force
Filing Date 2023-06-15
Publication Date 2023-12-21
Owner SAAB AB (Sweden)
Inventor Grante, Christian

Abstract

The present invention relates to a system, an electronic device, a computer readable media and a method for managing safety of one or more actors present within an environment. The method comprising: at an electronic device: receiving data, corresponding to a set of time-of-flight based distance measurements, including one or more distance measurements, each distance measurement being: associated to a respective actor of the one or more actors and a respective other location of one or more other locations. The method further comprising one or more actor location area sets for each respective actor, of the one or more actors, for which the set of distance measurements includes one or more distance measurements. The method further comprising determining, based on the one or more determined actor location area sets whether one or more risk criteria of a set of risk criteria are met and in accordance with a determination that at least one of the one or more risk criteria are met generating at least one safety action and in accordance with a determination that none of the one or more risk criteria are met forgoing generating at least one safety action.

IPC Classes  ?

  • G01S 11/02 - Systems for determining distance or velocity not using reflection or reradiation using radio waves
  • H04W 4/02 - Services making use of location information

17.

NOSE ARRANGEMENT AND METHOD FOR DEPLOYING A NOSE ARRANGEMENT OF AN UNDERWATER VEHICLE

      
Application Number 18259955
Status Pending
Filing Date 2022-01-19
First Publication Date 2023-12-07
Owner SAAB AB (Sweden)
Inventor
  • Rydell, Anders
  • Green, Torbjörn

Abstract

The present disclosure relates to a nose arrangement (100) for an underwater vehicle (10). The nose arrangement comprises a first separation section (110) comprising a first inflatable structure (113) and a second inflatable structure (114) arranged within the first inflatable structure (113). The first separation section (110) is arranged store the first inflatable structure (113) and the second inflatable structure (114) in a first state, and to inflate the first inflatable structure (113) and the second inflatable structure (114) in a second state. The first inflatable structure (113) is arranged to protrude along the longitudinal axis of the nose arrangement and underwater vehicle in the second state. The disclosure also relates to a method for deploying a nose arrangement (100) of an underwater vehicle.

IPC Classes  ?

  • B63G 8/22 - Adjustment of buoyancy by water ballasting; Emptying equipment for ballast tanks
  • B63G 8/00 - Underwater vessels, e.g. submarines
  • B63G 8/04 - Superstructure
  • F42B 19/12 - Propulsion specially adapted for torpedoes

18.

DETECTION AND CLASSIFICATION OF UAVs

      
Application Number SE2023050547
Publication Number 2023/234841
Status In Force
Filing Date 2023-06-02
Publication Date 2023-12-07
Owner SAAB AB (Sweden)
Inventor
  • Eriksson, Stefan
  • Andersson, Michael

Abstract

The present disclosure relates to a method (300) for detection and classification of aerial objects (102), the method (300) comprising obtaining (301), in an input detection unit (103), a radar input signal from a radar station (101). Further, comprising processing (302), in a processing unit (210), a pre-configured sample data window of the detected input signal by using a spectral analysis method to obtain spectral data and extracting (303) fundamental tones from said spectral data by using an estimation technique. Moreover, the method measures (304), in the processing unit (210), statistical features between the extracted fundamental tones and detects and classifies (305) objects by comparing, in the processing unit (210), the measured statistical features with at least one pre-defined reference feature.

IPC Classes  ?

  • G01S 13/88 - Radar or analogous systems, specially adapted for specific applications
  • G01S 7/41 - RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES - Details of systems according to groups , , of systems according to group using analysis of echo signal for target characterisation; Target signature; Target cross-section

19.

Receiver system configured to alternate between different beamforming types

      
Application Number 18253161
Grant Number 11929815
Status In Force
Filing Date 2021-11-19
First Publication Date 2023-12-07
Grant Date 2024-03-12
Owner SAAB AB (Sweden)
Inventor
  • Spoof, Kalle
  • Kosunen, Marko
  • Ryynanen, Jussi
  • Tenhunen, Miikka
  • Unnikrishnan, Vishnu
  • Stadius, Kari

Abstract

A system (1) for beamforming of incoming radio-frequency signals is provided. The system includes at least one digital signal processor, DSP, a plurality of analogue-to-digital converters, ADC, each connected to the at least one DSP. Further, the system comprises a plurality of sample-and-hold, S&H, circuit groups, each comprising a plurality of sample-and-hold circuits additively connected to a respective ADC and a plurality of receiving antenna connections each connected to a respective S&H circuit in each group at one end and each antenna connection connected to a respective antenna. The system is configured to selectively alternate between a plurality of beamforming functionalities, wherein the receiver system is arranged to time-interleave the ADCs and control specific S&H circuits in each S&H group by at least one of time-interleave or disable specific S&H circuits depending on a set beamforming functionality. An associated method (100) is also provided.

IPC Classes  ?

  • H04B 7/08 - Diversity systems; Multi-antenna systems, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station
  • H04B 7/0413 - MIMO systems

20.

AN ANTENNA PLATFORM ARRANGEMENT

      
Application Number SE2023050548
Publication Number 2023/234842
Status In Force
Filing Date 2023-06-02
Publication Date 2023-12-07
Owner SAAB AB (Sweden)
Inventor
  • Blennius, Martin
  • Bäck, Daniel

Abstract

The present disclosure relates to an antenna platform arrangement (1) comprising a movable antenna plate (2) having an antenna surface (3) and an opposing connection surface (4), a fixed base (5) and a connection means (6) connecting the connection surface (4) and the fixed base (5). Moreover, the movable antenna plate (2) being associated with an apex (c0') of a conical space (c0) being in-between said fixed base (5) and said movable antenna plate (2), wherein said connection means (6) is configured to selectively control said movable antenna plate (2) about said conical space (c0), to a pre-determined maximum angle (α) relative a first plane (x1) being parallel with said fixed base (5).

IPC Classes  ?

  • H01Q 1/12 - Supports; Mounting means
  • H01Q 3/02 - Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system using mechanical movement of antenna or antenna system as a whole

21.

SKAPA

      
Serial Number 98289789
Status Pending
Filing Date 2023-11-29
Owner Saab AB (Sweden)
NICE Classes  ? 42 - Scientific, technological and industrial services, research and design

Goods & Services

Scientific and technological research and development in the fields of AI (artificial intelligence), autonomy, additive manufacturing, machine learning, defence and communications

22.

AN ANTENNA ARRANGEMENT

      
Application Number SE2023050482
Publication Number 2023/224540
Status In Force
Filing Date 2023-05-16
Publication Date 2023-11-23
Owner SAAB AB (Sweden)
Inventor
  • Svensson, Bengt
  • Höök, Anders
  • Sjöberg, Glenn
  • Sjöberg, Daniel
  • Pallaris, Alexandros

Abstract

The present disclosure relates to an antenna arrangement (1) comprising a first antenna (2) configured to operate within a first frequency band and a planar layer (3) having an oblong conducting structure (4) attached thereon, the conducting structure (4) being arranged within an illumination-field of the first antenna (2). Further comprising a plurality of capacitive strips (5) arranged on opposing longitudinal portions (16, 16') of said planar layer (3) extending along a length (L1) of said conducting structure, the longitudinal portions (16, 16') being separated by said conducting structure (4).

IPC Classes  ?

  • H01Q 1/52 - Means for reducing coupling between antennas; Means for reducing coupling between an antenna and another structure
  • H01Q 1/32 - Adaptation for use in or on road or rail vehicles
  • H01Q 5/00 - Arrangements for simultaneous operation of antennas on two or more different wavebands, e.g. dual-band or multi-band arrangements
  • H01Q 17/00 - Devices for absorbing waves radiated from an antenna; Combinations of such devices with active antenna elements or systems
  • H01Q 21/28 - Combinations of substantially independent non-interacting antenna units or systems

23.

A METHOD FOR DETERMINING A POSITION DEVIATION, A POSITIONING SYSTEM AND AN UNDERWATER VEHICLE

      
Application Number SE2023050434
Publication Number 2023/214926
Status In Force
Filing Date 2023-05-04
Publication Date 2023-11-09
Owner SAAB AB (Sweden)
Inventor Carlström, Johan

Abstract

2e2dd) corresponding to the difference between the estimated position of the second node and the exact position of the second node, and determining (1500) the position deviation of the first node which corresponds to the deviation vector. The disclosure further relates to a positioning system for determining a position deviation for a first node and an underwater vehicle.

IPC Classes  ?

  • G05D 1/10 - Simultaneous control of position or course in three dimensions
  • B63G 8/00 - Underwater vessels, e.g. submarines
  • G01C 21/18 - Stabilised platforms, e.g. by gyroscope
  • G01S 5/18 - Position-fixing by co-ordinating two or more direction or position-line determinations; Position-fixing by co-ordinating two or more distance determinations using ultrasonic, sonic, or infrasonic waves

24.

METHOD FOR GENERATING A NON-JITTERING TRIGGER SIGNAL IN A NODE OF A SERIAL DATA RING-BUS

      
Application Number SE2022050397
Publication Number 2023/211320
Status In Force
Filing Date 2022-04-25
Publication Date 2023-11-02
Owner SAAB AB (Sweden)
Inventor Bengtsson, Gilbert

Abstract

A method for providing a trigger signal in a slave node (S1-SN) in a data ring-bus (1) is described, the method comprising the steps of receiving a master clock signal on the clock input (5), updating a slot counter value C with 1 for each clock cycle of the master clock signal received, and resetting the slot counter value C to 1 after the slot counter value C has reached a maximum value, Max, receiving a first data message on the data input (6), adjusting the slot counter value C to S, for the clock cycle in which the end of the first data message was received, wherein S is in the interval 2 to Max-1, receiving a subsequent data message after the first data message, and providing a trigger signal when the slot counter value C equals T, if the end of the subsequent data message is received when the slot counter value C is valid.

IPC Classes  ?

  • H04L 12/42 - Loop networks
  • H04L 47/283 - Flow control; Congestion control in relation to timing considerations in response to processing delays, e.g. caused by jitter or round trip time [RTT]

25.

A NOTCH ANTENNA STRUCTURE

      
Application Number 18042224
Status Pending
Filing Date 2021-08-23
First Publication Date 2023-10-05
Owner SAAB AB (Sweden)
Inventor
  • Svensson, Bengt
  • Hammarqvist, Sigrid
  • Tisell, Peter
  • Schloenzig, Erik
  • Hassiakis, Theodor

Abstract

The present disclosure relates to a notch antenna structure including a plurality of notch antenna elements arranged in at least a first row (R). Each notch antenna element includes a base portion having first and second opposing surfaces, a first electrically conductive body and an adjacent second electrically conductive body, the electrically conductive bodies extending vertically from the first surface, forming an integral structure, a tapering gap between the two electrically conductive bodies. The notch antenna structure includes a bottom plane for receiving the second surface of the plurality of notch antenna elements and the first electrically conductive body includes a leg portion having a feed arrangement proximate to the tapering gap, the feed arrangement including a feed point.

IPC Classes  ?

  • H01Q 13/08 - Radiating ends of two-conductor microwave transmission lines, e.g. of coaxial lines, of microstrip lines
  • H01Q 21/00 - Antenna arrays or systems

26.

SPRING ARRANGEMENT FOR COUNTERMEASURE MAGAZINES

      
Application Number 18041596
Status Pending
Filing Date 2021-08-18
First Publication Date 2023-09-21
Owner SAAB AB (Sweden)
Inventor Sundberg, Richard

Abstract

The present invention relates to a spring arrangement for use in a countermeasure magazine, said spring arrangement including a plurality of elements, wherein each one of said elements has a base portion and a plurality of spring portions extending from a first edge of said base portion, and wherein said spring portions of each element are distributed along a length of said base portion, and wherein said elements include mating connection means such that said elements may be connected to each other.

IPC Classes  ?

  • F41A 9/64 - Magazines for unbelted ammunition

27.

WIDEBAND HORIZONTALLY POLARIZED ANTENNA

      
Application Number 18245170
Status Pending
Filing Date 2021-09-09
First Publication Date 2023-09-14
Owner SAAB AB (Sweden)
Inventor
  • Frid, Henrik
  • Tengstrand, Göran

Abstract

The disclosure relates to an antenna arrangement, including an antenna mounted inside a radome. The antenna arrangement further includes a mounting arrangement arranged to mount the antenna arrangement to an antenna platform. The antenna is a tapered slot antenna, the radome has an aerodynamic shape, and the mounting arrangement includes two antenna fastening means and an antenna radio frequency connector arranged to interact with corresponding antenna platform fastening means and an antenna platform radio frequency connector arranged on the antenna platform.

IPC Classes  ?

  • H01Q 13/08 - Radiating ends of two-conductor microwave transmission lines, e.g. of coaxial lines, of microstrip lines
  • H01Q 21/22 - Antenna units of the array energised non-uniformly in amplitude or phase, e.g. tapered array or binomial array
  • H01Q 9/40 - Element having extended radiating surface
  • H01Q 1/34 - Adaptation for use in or on ships, submarines, buoys or torpedoes

28.

Gradient structure for transmitting and/or reflecting an electromagnetic signal

      
Application Number 18245483
Grant Number 11870147
Status In Force
Filing Date 2021-09-13
First Publication Date 2023-08-31
Grant Date 2024-01-09
Owner SAAB AB (Sweden)
Inventor
  • Poulsen, Sören
  • Bergander, Philip

Abstract

The present disclosure relates to a gradient structure (100) for transmitting and/or reflecting an electromagnetic signal. The gradient structure comprises a plurality of interconnected cells (110). Each cell comprises a through cavity (112) surrounded by walls (111), wherein the walls of each cell have a gradually varying thickness along a longitudinal direction of each cell. The present disclosure also relates to a cover structure (200) comprising the gradient structure (100), a system (300) comprising the cover structure (200), a structure element (400) having integrated therein the system (300) and to a method for optimizing the transmittance and/or reflectance of an electromagnetic signal of a gradient structure.

IPC Classes  ?

  • H01Q 15/00 - Devices for reflection, refraction, diffraction or polarisation of waves radiated from an antenna, e.g. quasi-optical devices
  • H01Q 1/42 - Housings not intimately mechanically associated with radiating elements, e.g. radome

29.

Watercraft vehicle and method of manoeuvring the vehicle

      
Application Number 18044191
Grant Number 11858606
Status In Force
Filing Date 2021-09-13
First Publication Date 2023-08-17
Grant Date 2024-01-02
Owner SAAB AB (Sweden)
Inventor Rydell, Anders

Abstract

The present invention regards a watercraft vehicle (1) having a propeller shaft (9) coupled to a motor (3) and a propeller (7) forming a propeller disc (11) having a hub (17). A first blade (8) of the propeller (7) is hingedly coupled to a first oblique lag-pitch hinge (22′) of the hub (17) and a second blade (10) of the propeller (7) is hingedly coupled to a second oblique lag-pitch hinge (22″) of the hub (17). The first oblique lag-pitch hinge (22′) being oriented in a direction oblique to the axis of rotation (RX) and parallel with the second oblique lag-pitch hinge (22″). A control circuitry (5) provides a first thrust (T) in a first arc segment (13′) of the propeller disc (11) and provides a second thrust (T″) in a second arc segment (13″) of the propeller disc (11) by controlling a rate of change of shaft (9) rotational velocity, wherein a first propeller blade pitch change is achieved about the first oblique lag-pitch hinge (22′) and a second propeller blade pitch change is achieved about the second oblique lag-pitch hinge (22″). The present invention also regards a method of manoeuvring the watercraft vehicle (1).

IPC Classes  ?

  • B63H 21/21 - Control means for engine or transmission, specially adapted for use on marine vessels
  • B63H 1/22 - Hubs; Blade connections the blades being foldable
  • B63H 23/34 - Propeller shafts; Paddle-wheel shafts; Attachment of propellers on shafts
  • B63G 8/08 - Propulsion
  • B63G 8/00 - Underwater vessels, e.g. submarines

30.

YMIR

      
Serial Number 98130931
Status Pending
Filing Date 2023-08-14
Owner Saab AB (Sweden)
NICE Classes  ?
  • 09 - Scientific and electric apparatus and instruments
  • 12 - Land, air and water vehicles; parts of land vehicles
  • 38 - Telecommunications services

Goods & Services

Satellites; satellite transmitters Air and space vehicles Telecommunication services; satellite transmission; satellite communication services

31.

YMIR

      
Application Number 018899533
Status Registered
Filing Date 2023-07-11
Registration Date 2023-11-17
Owner Saab AB (Sweden)
NICE Classes  ?
  • 09 - Scientific and electric apparatus and instruments
  • 12 - Land, air and water vehicles; parts of land vehicles
  • 38 - Telecommunications services

Goods & Services

Satellites; satellite transmitters.. Air and space vehicles.. Telecommunication services; satellite transmission; satellite communication services..

32.

Wing arrangement, a projectile, a method for deploying a wing blade, a use and a method for assembly

      
Application Number 18002586
Grant Number 11781841
Status In Force
Filing Date 2021-06-17
First Publication Date 2023-06-22
Grant Date 2023-10-10
Owner SAAB AB (Sweden)
Inventor
  • Berggren, Joakim
  • Brocker, David

Abstract

The invention relates to a wing arrangement (10) for a projectile (1). The wing arrangement (10) comprising: a wing shaft (20) extending longitudinally between a proximal end (21) and a distal end (22) along a wing shaft axis (R), the proximal end (21) being configured to be inserted into a wing shaft aperture (6) in a circumferential wall (2) of the projectile (1), the wing shaft (20) being rotatable around the wing shaft axis (R); a wing blade (30) connected to the distal end (22) of the wing shaft (20); a deployment arrangement (40) configured to control a rotational movement of the wing shaft (20) around the wing shaft axis (R), whereby the wing blade (30) is deployed from a folded state to a deployed state. The deployment arrangement (40) comprising a pre-tensioned torsion spring (41) arranged coaxially with the wing shaft (20), wherein a first end (42) of the torsion spring (41) is coupled to the wing shaft (20) and a second end (43) of the torsion spring (41) is configured to be coupled to the circumferential wall (2) of the projectile (1). The invention also relates to a method for deploying a wing blade (30), use of a wing arrangement (10), a projectile (1) and a method for assembly of a wing arrangement (10).

IPC Classes  ?

  • F42B 10/14 - Stabilising arrangements using fins spread or deployed after launch, e.g. after leaving the barrel

33.

A COOLING MODULE FOR COOLING HEAT GENERATING COMPONENTS OF HIGH-FREQUENCY ANTENNA ARRAYS

      
Application Number SE2022051071
Publication Number 2023/091070
Status In Force
Filing Date 2022-11-16
Publication Date 2023-05-25
Owner SAAB AB (Sweden)
Inventor
  • Blennius, Martin
  • Falk, Hans

Abstract

The present disclosure relates to a cooling module (1) for cooling heat generating components (13) of high-frequency antenna arrays comprising a first plate (2), a second plate (3) and an intermediate plate (4). Further, the cooling module (1) forms a first flow portion (5) in- between the first and the intermediate plate (2, 4), and a second flow portion (6) in-between the second and the intermediate plate (3, 4). The cooling module (1) further comprises an inlet (7) and an outlet (8) positioned at a proximal area (9) of said cooling module (1), wherein the inlet (7) is connected to the first flow portion (5) and the outlet (8) is connected to the second flow portion (6). Moreover, an overflow portion (10) merges a part of said first and second flow portion (5, 6) at a distal area (9') of said cooling module (1) and at least one thermally conductive rod (11). The cooling module (1) is arranged to transfer a cooling medium from the inlet (7) to the outlet (8) allowing for the cooling medium to transfer the cooling medium from the first to the second flow portion (5, 6).

IPC Classes  ?

  • H01Q 1/02 - Arrangements for de-icing; Arrangements for drying-out
  • H05K 7/20 - Modifications to facilitate cooling, ventilating, or heating

34.

A METHOD, SOFTWARE PRODUCT AND SYSTEM FOR GNSS DENIED NAVIGATION

      
Application Number SE2022051028
Publication Number 2023/085997
Status In Force
Filing Date 2022-11-07
Publication Date 2023-05-19
Owner SAAB AB (Sweden)
Inventor Lundmark, Astrid

Abstract

The present disclosure relates to a method for determining a pose. The method (100) comprises capturing (110), utilizing at least one camera (311), at least a first image (220) at a first pose and a second image (230) at a second pose; obtaining (120) digital surface model, DSM, data (210), wherein said DSM data (210) represents a part of Earth's surface corresponding to said first pose and said second pose; determining (130) at least one set of hypothetical camera poses, wherein each set of hypothetical camera poses is a candidate for the first and the second poses; calculating (140) a matching score for each set of hypothetical camera poses based on matching said first image (220) and second image (230), wherein matching is based on said obtained DSM data (210) and said set of hypothetical camera poses; and determining (150) the first pose based on the matching score of the at least one set of hypothetical camera poses.

IPC Classes  ?

  • G06T 7/73 - Determining position or orientation of objects or cameras using feature-based methods
  • G01C 11/06 - Interpretation of pictures by comparison of two or more pictures of the same area
  • G06T 7/80 - Analysis of captured images to determine intrinsic or extrinsic camera parameters, i.e. camera calibration
  • G06T 17/05 - Geographic models
  • G06V 20/64 - Three-dimensional objects
  • G01S 17/42 - Simultaneous measurement of distance and other coordinates
  • G06V 10/24 - Aligning, centring, orientation detection or correction of the image
  • H04N 13/204 - Image signal generators using stereoscopic image cameras

35.

METHOD, SYSTEM AND COMPUTER PROGRAM PRODUCT FOR FORMING A DIGITAL SURFACE MODEL BASED ON TREETOPS

      
Application Number SE2022051027
Publication Number 2023/085996
Status In Force
Filing Date 2022-11-07
Publication Date 2023-05-19
Owner SAAB AB (Sweden)
Inventor
  • Lundmark, Astrid
  • Ringdahl, Viktor

Abstract

The present disclosure relates to a computer implemented method for forming a digital surface model of treetops. The method (100) comprises the steps of obtaining (110) at least two images from a flying platform; detecting (130) treetops in each image; determining (140) a treetop position for each matching treetop detected in plurality of said at least two images; and forming (150) the digital surface model based on said at least one determined treetop position.

IPC Classes  ?

  • G06V 20/17 - Terrestrial scenes taken from planes or by drones
  • G01S 17/89 - Lidar systems, specially adapted for specific applications for mapping or imaging
  • G06N 20/10 - Machine learning using kernel methods, e.g. support vector machines [SVM]
  • G06T 3/40 - Scaling of a whole image or part thereof
  • G06T 17/05 - Geographic models

36.

AREXIS

      
Application Number 018874712
Status Registered
Filing Date 2023-05-15
Registration Date 2023-09-22
Owner Saab AB (Sweden)
NICE Classes  ?
  • 09 - Scientific and electric apparatus and instruments
  • 42 - Scientific, technological and industrial services, research and design

Goods & Services

Electronic warfare systems for fighter aircraft; fighter aircraft system solutions.. Research and development of electronic warfare systems for fighter aircraft..

37.

SPRING DEVICE FOR SECURING A THREADED FASTENER OF A BOLTED JOINT AND A SYSTEM FOR SECURING A BOLTED JOINT

      
Application Number 17974636
Status Pending
Filing Date 2022-10-27
First Publication Date 2023-05-04
Owner SAAB AB (Sweden)
Inventor Sundberg, Richard

Abstract

A spring device for securing a threaded fastener of a bolted joint. The spring device includes at least one ring-shaped portion and a plurality of elongate spring elements. Each spring element is attached at least in a first end to the at least one ring-shaped portion. The at least one ring-shaped portion and a body formed by the plurality of spring elements have a common centre axis. Each spring element includes an inner peripheral surface directed towards the centre axis, and wherein a first portion of said inner peripheral surface is closer to the centre axis than are other portions of said inner peripheral surface and closer to the centre axis than an inner peripheral surface of the at least one ring-shaped portion. The disclosure further relates to a system for securing a bolted joint.

IPC Classes  ?

  • F16B 39/26 - Locking of screws, bolts, or nuts in which the locking takes place during screwing down or tightening by means of washers, spring washers, or resilient plates that lock against the object with spring washers fastened to the nut or bolt-head

38.

A PRODUCT AND METHOD FOR FREQUENCY SELECTIVE CAMOUFLAGE MATERIAL

      
Document Number 03233110
Status Pending
Filing Date 2022-10-12
Open to Public Date 2023-04-27
Owner SAAB AB (Sweden)
Inventor Jersblad, Johan

Abstract

The present disclosure relates to a frequency selective camouflage material comprising a backing and a conductive material. The conductive material is patterned onto said backing to form a plurality of regions of conductive material, wherein each region of conductive material is electrically isolated from other regions of patterned conductive material. Each region of patterned conductive material has a diameter in the range of 5 mm to 300 mm. Said camouflage material has a transmittance of at least 60% for electromagnetic radiation having a frequency below 200 MHz and at most 40% for electromagnetic radiation having a frequency in the range of 8-20 GHz

IPC Classes  ?

  • F41H 3/00 - Camouflage, i.e. means or methods for concealment or disguise
  • H01Q 17/00 - Devices for absorbing waves radiated from an antenna; Combinations of such devices with active antenna elements or systems

39.

A product and method for frequency selective camouflage material

      
Application Number SE2022050924
Publication Number 2023/068984
Status In Force
Filing Date 2022-10-12
Publication Date 2023-04-27
Owner SAAB AB (Sweden)
Inventor Jersblad, Johan

Abstract

The present disclosure relates to a frequency selective camouflage material (100) comprising a backing (110) and a conductive material (120). The conductive material (120) is patterned onto said backing (110) to form a plurality of regions of conductive material (120), wherein each region of conductive material (120) is electrically isolated from other regions of patterned conductive material (120). Each region of patterned conductive material (120) has a diameter in the range of 5 mm to 300 mm. Said camouflage material (100) has a transmittance of at least 60% for electromagnetic radiation having a frequency below 200 MHz and at most 40% for electromagnetic radiation having a frequency in the range of 8-20 GHz.

IPC Classes  ?

  • F41H 3/00 - Camouflage, i.e. means or methods for concealment or disguise
  • H01Q 17/00 - Devices for absorbing waves radiated from an antenna; Combinations of such devices with active antenna elements or systems

40.

A PIVOTABLE CONNECTION DEVICE AND A VEHICLE

      
Application Number SE2022050886
Publication Number 2023/068981
Status In Force
Filing Date 2022-10-04
Publication Date 2023-04-27
Owner SAAB AB (Sweden)
Inventor Kihlander, Anders

Abstract

The disclosure relates to a pivotable connection device (100) comprises a first and a second bracket (101, 102), a locking member (103), a spring (105), and an abutment member (104). The first and the second bracket (101, 102) are pivotable connected to each other, and the spring (105) is located between the locking member (103) and the abutment member (104). In a first mode of operation (M1), the locking member (103) is displaced towards the abutment member (104) such that the spring (105) is compressed, and such that the first and second bracket (101, 102) are pivotable in relation to each other. In a second mode of operation (M2), the locking member (103) is displaced towards the first bracket (101) by the spring (105), such that the locking member (103) overlaps the first and the second bracket (101, 102) and prevents pivoting. The disclosure further relates to a vehicle (200).

IPC Classes  ?

  • H01Q 1/32 - Adaptation for use in or on road or rail vehicles
  • H01Q 1/12 - Supports; Mounting means

41.

METHOD FOR OPERATING WIDE-BAND AESA

      
Application Number SE2021050960
Publication Number 2023/055262
Status In Force
Filing Date 2021-09-29
Publication Date 2023-04-06
Owner SAAB AB (Sweden)
Inventor Frid, Henrik

Abstract

A method for excitation of an array antenna across a specified bandwidth is disclosed. The specified bandwidth comprises M sample points, M being a positive integer > 1, and the array antenna comprises N antenna elements, N being a positive integer ≥ 2. The method comprises forming a first matrix B(ω) defining an allowed frequency variation for an excitation coefficient for each antenna element, and forming a second matrix defining far field data for each antenna element at each sample point. Further the method comprises optimizing each excitation coefficient based on the formed first matrix and the formed second matrix, and controlling an excitation of the N antenna elements based on the optimized excitation coefficients. Hereby presenting a method for wideband optimization of the excitation coefficients for an array antenna.

IPC Classes  ?

  • H01Q 3/26 - Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system varying the distribution of energy across a radiating aperture
  • G06F 30/20 - Design optimisation, verification or simulation
  • H01Q 3/36 - Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system varying the distribution of energy across a radiating aperture varying the phase by electrical means with variable phase-shifters
  • H01Q 21/06 - Arrays of individually energised antenna units similarly polarised and spaced apart
  • H01Q 21/22 - Antenna units of the array energised non-uniformly in amplitude or phase, e.g. tapered array or binomial array

42.

HEAD UP OR HEAD MOUNTED DISPLAY ARRANGEMENT AND A METHOD FOR PRESENTING AT LEAST ONE IMAGE VIA AT LEAST ONE SURFACE ELEMENT OF A HEAD UP OR HEAD MOUNTED DISPLAY ARRANGEMENT

      
Application Number 18052291
Status Pending
Filing Date 2022-11-03
First Publication Date 2023-03-23
Owner SAAB AB (Sweden)
Inventor
  • Zanden, Johan
  • Holmer, Anna-Karin
  • Andersson, Stefan

Abstract

A head up or head mounted display arrangement and a method for presenting at least one image via at least one surface element of a head up or head mounted display arrangement is disclosed. The arrangement comprises at least one image generating element arranged to generate an image in a first image plane, at least one surface element, and a fibre optic face plate. A second image plane lies at the second surface and the at least one surface element is arranged in the beam path from the second surface. The first image plane comprises a plurality of first part image planes each associated with an individual first part surface of the fibre optic face plate and/or the second image plane comprises a plurality of second part image planes each associated with an individual second part surface of the fibre optic face plate.

IPC Classes  ?

  • G02B 27/01 - Head-up displays
  • G02B 6/08 - Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings formed by bundles of fibres the relative position of the fibres being the same at both ends, e.g. for transporting images with fibre bundle in form of plate

43.

NOTCH ANTENNA ARRAY

      
Application Number 17799696
Status Pending
Filing Date 2020-02-19
First Publication Date 2023-03-16
Owner SAAB AB (Sweden)
Inventor
  • Svensson, Bengt
  • Hammarqvist, Sigrid

Abstract

An antenna array is provided. The antenna array includes a plurality of M row antenna structures, each row antenna structure forming a row in the antenna array, M being a positive integer≥2, and a plurality of N column antenna structures, each column antenna structure forming a column in the antenna array, N being a positive integer≥2. Each row antenna structure includes a plurality of row antenna elements, where each row antenna element includes a main body tapering from a bottom portion to a tip portion. The bottom portion of each row antenna element includes a first leg portion having a first feed arrangement, and wherein each row antenna element is joined to at least one adjacent row antenna element so to form a conjoined row of notch antennas.

IPC Classes  ?

  • H01Q 21/06 - Arrays of individually energised antenna units similarly polarised and spaced apart
  • H01Q 1/27 - Adaptation for use in or on movable bodies
  • H01Q 21/24 - Combinations of antenna units polarised in different directions for transmitting or receiving circularly and elliptically polarised waves or waves linearly polarised in any direction
  • H01Q 21/30 - Combinations of separate antenna units operating in different wavebands and connected to a common feeder system

44.

MULTI-CHANNEL ACTIVE ARRAY SYSTEM AND METHOD FOR OBTAINING POSITIONAL INFORMATION OF AN OBJECT

      
Application Number SE2022050756
Publication Number 2023/033693
Status In Force
Filing Date 2022-08-18
Publication Date 2023-03-09
Owner SAAB AB (Sweden)
Inventor Höök, Anders

Abstract

An antenna arrangement (1) comprising an antenna array is disclosed. The antenna array comprises N antenna elements (2) (N being an integer ≥ 3). Moreover, each antenna element is connected to an electronics module (3) out of P electronics modules, P being an integer such that 3 ≤ P ≤ N,, where each electronics module is configured to generate an output signal indicative of a signal received by a corresponding one or more antenna elements. The antenna arrangement further comprises control circuitry (10) connected to the antenna array. The control circuitry is configured to receive each output signal, compute a sum of cross-correlations between each output signal and a set of other output signals originating from other corresponding antenna elements, and determine at least one angle of a direction of arrival of the electromagnetic waves relative to the antenna array based on the computed sum.

IPC Classes  ?

  • G01S 13/04 - Systems determining presence of a target
  • G01S 3/06 - Means for increasing effective directivity, e.g. by combining signals having differently-oriented directivity characteristics or by sharpening the envelope waveform of the signal derived from a rotating or oscillating beam antenna
  • G01S 3/14 - Systems for determining direction or deviation from predetermined direction
  • H01Q 21/00 - Antenna arrays or systems

45.

AN ARRAY ANTENNA

      
Application Number 17796905
Status Pending
Filing Date 2020-02-05
First Publication Date 2023-02-23
Owner SAAB AB (Sweden)
Inventor
  • Wallén, Max
  • Svensson, Bengt
  • Gebretnsae, Mussie

Abstract

The present disclosure relates to an array antenna extending along a first axis in a first direction in a first plane and a second axis in a second direction in the first plane, the first direction being perpendicular to the second direction, the array antenna including; a substrate having a first side and an opposing second side; a plurality of connectors extending in a third direction from the first side, the third direction being perpendicular to the first plane; an antenna element module having a radiating side and an opposing coupling side, wherein the antenna element module includes a plurality of antenna elements arranged on the radiating side and an electromagnetic shielding structure arranged on the coupling side.

IPC Classes  ?

  • H01Q 21/00 - Antenna arrays or systems
  • H01Q 1/12 - Supports; Mounting means
  • H01Q 1/52 - Means for reducing coupling between antennas; Means for reducing coupling between an antenna and another structure

46.

SHAPED CHARGE ASSEMBLY

      
Application Number 17793685
Status Pending
Filing Date 2020-01-21
First Publication Date 2023-02-16
Owner SAAB AB (Sweden)
Inventor Björkgren, Victor

Abstract

A shaped charge assembly, comprising a casing and a liner, is disclosed. The liner includes a first longitudinal section connected to the casing, a second longitudinal section having the shape of a truncated cone wherein the truncated end thereof is directly connected, or connected by means of an intermediate longitudinal section, to the first longitudinal section. The second longitudinal section is at its base end directly connected to a third longitudinal section. The third longitudinal section is in the shape of a cone, an ogival or a hemisphere.

IPC Classes  ?

  • F42B 1/028 - Shaped or hollow charges characterised by the form of the liner
  • F42B 1/032 - Shaped or hollow charges characterised by the material of the liner

47.

GLOBALEYE

      
Application Number 223937700
Status Pending
Filing Date 2023-02-13
Owner Saab AB (Sweden)
NICE Classes  ? 09 - Scientific and electric apparatus and instruments

Goods & Services

(1) Airborne surveillance and mission system for military and civilian applications; scientific, surveying, monitoring, identification, signalling, checking (supervision), radar and microwave systems, sensors and apparatus; command, control and computer systems; parts and accessories for the aforementioned goods included in this class

48.

FASTENER FOR PYROTECHNICAL DISPENSER MAGAZINE

      
Application Number 17791347
Status Pending
Filing Date 2020-01-08
First Publication Date 2023-02-09
Owner SAAB AB (Sweden)
Inventor
  • Zätterqvist, Christer
  • Byström, Gunnar

Abstract

A fastener for attaching a magazine to a breech plate, including a circular longitudinal body including at least one protrusion, an upper guide block having at least one slot adapted to cooperate with the protrusion, where the body is provided with a key grip at an upper end and a receiving opening at a lower end, where the fastener is provided with a release position in which the body is in a first rotational position, a set position in which the body is rotated by a first rotational degree from the release position, and a lock position in which the body is rotated by a second rotational degree from the release position. The advantage of the invention is that a magazine can be attached to and removed from an aircraft in a fast and easy way.

IPC Classes  ?

  • B64D 7/00 - Arrangement of military equipment, e.g. armaments, armament accessories, or military shielding, in aircraft; Adaptations of armament mountings for aircraft
  • F16B 21/04 - Releasable fastening devices locking by rotation with bayonet catch

49.

A SUSPENSION ASSEMBLY FOR SUPPORTING A VIBRATION SENSITIVE DEVICE

      
Application Number 17756389
Status Pending
Filing Date 2019-12-19
First Publication Date 2023-01-26
Owner SAAB AB (Sweden)
Inventor Björnsson, Jonas

Abstract

The invention relates to a suspension assembly (10, 10a, 10b) for supporting a vibration sensitive device (1) in relation to a base (100). The suspension assembly (10, 10a, 10b) comprises: a support arrangement (20) comprising a support plate (21) and a damping support member (22). The support member (22) is configured to receive the vibration sensitive device (1) and the support plate (21) comprises a centre portion (23) and at least two side portions (24) extending with an inclination angle (α) outwardly from the centre portion (23), a base arrangement (30) comprising at least two inclined portions (34) extending essentially in parallel with the at least two side portions (24) of the support plate (21); and at least two wire rope isolators (40), each arranged between a side portion (24) of the support plate (21) and an inclined portion (34) of the base arrangement (30). The invention also relates to a suspension system (80), a vehicle (101), a use of such a suspension assembly (10, 10a, 10b) for supporting a weapon and damping vibrations during transportation.

IPC Classes  ?

  • B60P 7/16 - Protecting against shocks
  • F16F 15/08 - Suppression of vibrations of non-rotating, e.g. reciprocating, systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating system using elastic means with rubber springs
  • F16M 11/22 - Undercarriages with or without wheels with approximately constant height, e.g. with constant length of column or of legs

50.

System for ejection of countermeasure boxes

      
Application Number 17781199
Grant Number 11920900
Status In Force
Filing Date 2019-12-05
First Publication Date 2023-01-05
Grant Date 2024-03-05
Owner SAAB AB (Sweden)
Inventor Båth, Jörgen

Abstract

An ejecting system for dispensing countermeasure boxes includes a container arranged to hold a multiple of stacked boxes. A pushing actuator is arranged to push at one end of the stack of boxes in a first direction. The system further includes an ejecting mechanism including a driving actuator connected to a rotating member. The rotating member is arranged to engage with a box and on the side of the box most distant from the pushing actuator such that said box is moved in a second direction perpendicular to said first direction, and ejected.

IPC Classes  ?

  • F41H 11/02 - Anti-aircraft or anti-guided missile defence installations or systems
  • B64D 1/02 - Dropping, ejecting, or releasing articles
  • F41A 9/64 - Magazines for unbelted ammunition
  • F41B 4/00 - Friction-wheel operated launchers
  • F41F 5/00 - Launching-apparatus for gravity-propelled missiles or projectiles
  • F41F 7/00 - Launching-apparatus for projecting missiles or projectiles otherwise than from barrels

51.

Ejecting system, method and vehicle

      
Application Number 17809084
Grant Number 11685526
Status In Force
Filing Date 2022-06-27
First Publication Date 2023-01-05
Grant Date 2023-06-27
Owner SAAB AB (Sweden)
Inventor Zätterqvist, Christer

Abstract

The present disclosure relates to an ejecting system (1) for dispensing countermeasure. The system (1) comprising at least one magazine (2) comprising at least one expendable cartridge (3) and a transporting rack (4) extending in a first direction (D1). Further, the system (1) comprises a magazine feeding mechanism (5) arranged to cooperate with said transporting rack (4) to move each of the at least one magazines (2) from a stored position to a loaded position. Further, the system (1) comprises a dispensing means (6) arranged to hold said at least one magazine (2) when said at least one magazine (2) is in a loaded position, wherein the dispensing means (6) comprises an electrical connector arrangement (7). Moreover, the system (1) comprises a first positioning mechanism (8) arranged to move said dispensing means (6) and the at least one magazine (2) from the loaded position to a protruding position.

IPC Classes  ?

  • B64D 1/02 - Dropping, ejecting, or releasing articles
  • B64D 7/00 - Arrangement of military equipment, e.g. armaments, armament accessories, or military shielding, in aircraft; Adaptations of armament mountings for aircraft

52.

TIME ALIGNMENT OF SAMPLED RADIO FREQUENCY IN A MULTI-CHANNEL RECEIVER SYSTEM

      
Application Number SE2022050608
Publication Number 2022/271066
Status In Force
Filing Date 2022-06-21
Publication Date 2022-12-29
Owner SAAB AB (Sweden)
Inventor
  • Wallin, Thomas
  • Gitye, Gabriel
  • Olsson, Rune

Abstract

The present disclosure relates to a method (100) for synchronizing time alignment in a multi-channel radio frequency receiving system, the method comprising injecting (101) an amplitude modulated reference signal into each channel in the multi-channel receiver at a location associated with each antenna input. Further, the method comprises the steps of detecting (102) a position of the reference signal within a time sample window and determining (103) propagation time difference between each channel within the receiver electronics. Further, the method comprises the steps of determining (104) adjustment parameters, for synchronizing time alignment, for each channel and adjusting (105) the channels in the time domain in accordance with the determined adjustment parameters of synchronization for each channel.

IPC Classes  ?

  • H04W 56/00 - Synchronisation arrangements
  • H04B 17/21 - Monitoring; Testing of receivers for correcting measurements
  • H04J 3/06 - Synchronising arrangements
  • H03M 1/12 - Analogue/digital converters

53.

METHODS AND DEVICES FOR OBJECT TRACKING APPLICATIONS

      
Application Number 17835357
Status Pending
Filing Date 2022-06-08
First Publication Date 2022-12-22
Owner SAAB AB (Sweden)
Inventor Löfgren, Torbjörn

Abstract

The present disclosure relates to a computer-implemented method for object tracking applications, preferably in Bayesian object tracking applications. The method includes the steps of providing a finite element model representing a sensor model of at least one sensor. Further, the method trains said finite element model based on observations, wherein each observation includes an output of the at least one sensor paired with a known state of at least one training object, at the time of the output of the at least one sensor, in an environment sensed by the at least one sensor. Further, the method includes the steps of obtaining signals associated with at least one tracked object in an environment sensed by the at least one sensor. Furthermore, the method determines additional outputs of the at least one sensor based on the obtained signals.

IPC Classes  ?

54.

TRANSFORMER ARRANGEMENT

      
Application Number 17807286
Status Pending
Filing Date 2022-06-16
First Publication Date 2022-12-22
Owner SAAB AB (Sweden)
Inventor
  • Rosengren, Anders
  • Finnman, Jonas

Abstract

The present disclosure relates to a transformer arrangement (1) for mounting in an electrical power unit of a vehicle. The arrangement (1) comprising a transformer core (2) and a thermal shell (3) in contact with said transformer core (2). The transformer core (2) comprises a plurality of winding portions (4) extending from a common centre portion (c1) of said core (2), along a first axis (x1), a second axis (x2) and a third axis, (x3) each axis (x1, x2, x3) being orthogonal relative to each of the other axis (x1, x2, x3). Furthermore, each winding portion (4) comprises a conductive coil arrangement (5) wound around each winding portion (4).

IPC Classes  ?

  • H01F 27/02 - Casings
  • H01F 3/00 - Cores, yokes or armatures
  • H01F 27/30 - Fastening or clamping coils, windings, or parts thereof together; Fastening or mounting coils or windings on core, casing, or other support

55.

METHOD AND DEVICE FOR OBJECT TRACKING

      
Application Number 17835343
Status Pending
Filing Date 2022-06-08
First Publication Date 2022-12-15
Owner SAAB AB (Sweden)
Inventor Löfgren, Torbjörn

Abstract

The present disclosure relates to a computer-implemented method for object tracking, the method including the steps of defining a state-space of interest based on a class of objects subject to tracking. Further, the method includes the step of representing the state-space of interest using a FEM representation partitioning the state-space of interest in elements. Further, the method includes initiating a state-space distribution defining a probability density for different states of at least one tracked object in the state-space of interest. Moreover, the method updates the state-space distribution based on evidence, wherein the evidence being at least one of sensor data and external data of at least one tracked object in said class of objects. Furthermore, the method propagates the state-space distribution of the at least one tracked object for a time period.

IPC Classes  ?

56.

Method and system for DC voltage supply of pulsating loads

      
Application Number 17621390
Grant Number 11757283
Status In Force
Filing Date 2019-06-28
First Publication Date 2022-11-10
Grant Date 2023-09-12
Owner SAAB AB (Sweden)
Inventor
  • Nilsson, Valter
  • Hassiakis, Theodor
  • Bååth, Ola

Abstract

The invention relates to a method and a system for providing current from a DC power supply to pulsed loads in an array. The array comprises at least two electronic units. Each electronic unit comprises a regulator connected to an energy storage, to a pulsed load and to a charge control unit. The charge control unit is arranged to control the supply of DC current to the pulsed load connected to the electronic unit. The method comprises: selecting a pulse load pattern for the pulsed loads, selecting a charge control sequence by a control system connected to the electronic units and the DC power supply, starting the selected charge control sequence, starting the pulse load pattern, providing DC current from the DC power supply to each electronic unit at different times according to the selected charge control sequence set by the charge control unit.

IPC Classes  ?

  • H02J 1/06 - Two-wire systems
  • H02J 7/34 - Parallel operation in networks using both storage and other dc sources, e.g. providing buffering

57.

ELECTRONIC COUNTERMEASURE CARTRIDGE ARRANGED TO BE LOADED INTO COUNTERMEASURE DISPENSER AND ARRANGED TO IRRADIATE DISPENSED ELECTROMAGNETICALLY REFLECTIVE MATERIAL

      
Application Number SE2022050386
Publication Number 2022/231501
Status In Force
Filing Date 2022-04-21
Publication Date 2022-11-03
Owner SAAB AB (Sweden)
Inventor Swanepoel, Albert

Abstract

The disclosure relates to an electronic countermeasure cartridge (6) arranged to be loaded into a countermeasure dispenser (7) in a mobile platform (1). The electronic countermeasure cartridge (6) comprises an electromagnetic transmitting means (8), an electric energy storage (9) arranged to supply the electromagnetic transmitting means (8) with electric energy and a trigger device (10) arranged to trigger a transmission of electromagnetic radiation from the electromagnetic transmitting means (8) upon detection of an incoming threat (2). The transmitted electromagnetic radiation is arranged to irradiate an electromagnetically reflective material (3) dispensed from the countermeasure dispenser (7). The disclosure also relates to a method for providing threat protection for a platform (1) and to a countermeasure system comprising a countermeasure dispenser (7).

IPC Classes  ?

  • F41H 11/02 - Anti-aircraft or anti-guided missile defence installations or systems
  • F42B 5/15 - Cartridges, i.e. cases with propellant charge and missile for dispensing gases, vapours, powders, particles or chemically-reactive substances for creating a screening or decoy effect, e.g. using radar chaff or infrared material
  • F42B 12/46 - Projectiles, missiles or mines characterised by the warhead, the intended effect, or the material characterised by the warhead or the intended effect for signalling for dispensing gases, vapours, powders or chemically-reactive substances
  • F42B 12/70 - Projectiles, missiles or mines characterised by the warhead, the intended effect, or the material characterised by the warhead or the intended effect for signalling for dispensing discrete solid bodies for dispensing radar chaff or infrared material
  • G01S 17/38 -
  • G01S 7/495 - Counter-measures or counter-counter-measures

58.

Dual-band multimode antenna feed

      
Application Number 17436181
Grant Number 11936117
Status In Force
Filing Date 2019-03-04
First Publication Date 2022-11-03
Grant Date 2024-03-19
Owner SAAB AB (Sweden)
Inventor Forslund, Ola

Abstract

Provided is a dual-band multimode antenna feed for a high-frequency band and a low-frequency band. The feed includes four high-frequency waveguide ports, where each high-frequency waveguide port is connected to a respective high-frequency input/output waveguide. Each high-frequency input/output waveguide includes a high-frequency waveguide aperture facing a first section for mixing electromagnetic modes in the E-plane. The first section is connected to a second section for mixing electromagnetic modes in the H-plane. The feed further includes a low-frequency waveguide port connected to a low-frequency input/output waveguide. A filter is arranged inside the first section to be transparent for plane wave modes exhibited at lower frequencies and reflecting for plane wave modes exhibited at higher frequencies.

IPC Classes  ?

  • H01Q 25/04 - Multimode antennas
  • H01P 1/16 - Auxiliary devices for mode conversion
  • H01P 1/213 - Frequency-selective devices, e.g. filters combining or separating two or more different frequencies
  • H01Q 13/02 - Waveguide horns
  • H01Q 15/22 - Reflecting surfaces; Equivalent structures functioning also as polarisation filter

59.

SAFIR

      
Application Number 018786873
Status Pending
Filing Date 2022-10-28
Owner Saab AB (Sweden)
NICE Classes  ?
  • 09 - Scientific and electric apparatus and instruments
  • 13 - Firearms; explosives

Goods & Services

Computer systems for command, control and communication including computer software in the form of software system architecture and / or software platforms. Weapons with equipment to support air, coastal and ground defence.

60.

LINER FOR A SHAPED CHARGE AND METHOD FOR MANUFACTURING A LINER

      
Document Number 03216006
Status Pending
Filing Date 2022-04-19
Open to Public Date 2022-10-27
Owner SAAB AB (Sweden)
Inventor
  • Gustafsson, Marcus
  • Bjorkgren, Victor

Abstract

A liner (100) for a shaped charge (10) comprising an inner layer (120) made of a material having a density below 10.5 g/cm3, and an outer layer (110) made of a material having a density below 2.0 g/cm3, wherein the outer layer is formed directly on the inner layer. In a first state, both the inner layer (120) and the outer layer (110) are compressed towards the symmetry axis (x) of the liner, thereby forming a projectile. In a second state, the inner layer forms a penetration jet (120') of the projectile and the outer layer forms a slug (110') of the projectile. The melting point of the outer layer (110) is above 100 °C. The invention also concerns a shaped charge (10) comprising said liner (100), a method for manufacturing the liner (100) and a method for detonation of the shaped charge (10).

IPC Classes  ?

  • F42B 1/032 - Shaped or hollow charges characterised by the material of the liner
  • F42B 1/036 - Manufacturing processes therefor

61.

ARRAY ANTENNA WITH DUAL POLARIZATION

      
Application Number SE2022050331
Publication Number 2022/225434
Status In Force
Filing Date 2022-04-04
Publication Date 2022-10-27
Owner SAAB AB (Sweden)
Inventor
  • Billström, Nicklas
  • Wikström, Andreas
  • Svensson, Kenneth J-O
  • Wallén, Max

Abstract

The disclosure relates to an Active Electronically Scanned Array, AESA (100) comprising at least one planar Printed Circuit Board, PCB (102), a first set of first notch antenna elements (104) arranged on the PCB (102), and a second set of second antenna elements (106); wherein the first and second antenna elements (104;106) are interleaved, wherein each first antenna element (104) is configured to transmit and/or receive, a signal having a first direction of polarization, and wherein each second antenna element (106) is configured to transmit and/or receive, a signal having a second direction of polarization, which is different from the first direction of polarization, characterized in that each second antenna element (106) is a notch antenna element which is comprised in a surface mounted element (105) on the PCB (102), and wherein the first direction of polarization and the second direction of polarization is separated by at least 45°.

IPC Classes  ?

  • H01Q 21/24 - Combinations of antenna units polarised in different directions for transmitting or receiving circularly and elliptically polarised waves or waves linearly polarised in any direction
  • H01Q 1/38 - Structural form of radiating elements, e.g. cone, spiral, umbrella formed by a conductive layer on an insulating support
  • H01Q 9/30 - Resonant antennas with feed to end of elongated active element, e.g. unipole
  • H01Q 13/08 - Radiating ends of two-conductor microwave transmission lines, e.g. of coaxial lines, of microstrip lines
  • H01Q 21/28 - Combinations of substantially independent non-interacting antenna units or systems

62.

LINER FOR A SHAPED CHARGE AND METHOD FOR MANUFACTURING A LINER

      
Application Number SE2022050378
Publication Number 2022/225438
Status In Force
Filing Date 2022-04-19
Publication Date 2022-10-27
Owner SAAB AB (Sweden)
Inventor
  • Gustafsson, Marcus
  • Björkgren, Victor

Abstract

A liner (100) for a shaped charge (10) comprising an inner layer (120) made of a material having a density below 10.5 g/cm3, and an outer layer (110) made of a material having a density below 2.0 g/cm3, wherein the outer layer is formed directly on the inner layer. In a first state, both the inner layer (120) and the outer layer (110) are compressed towards the symmetry axis (x) of the liner, thereby forming a projectile. In a second state, the inner layer forms a penetration jet (120') of the projectile and the outer layer forms a slug (110') of the projectile. The melting point of the outer layer (110) is above 100 °C. The invention also concerns a shaped charge (10) comprising said liner (100), a method for manufacturing the liner (100) and a method for detonation of the shaped charge (10).

IPC Classes  ?

  • F42B 1/032 - Shaped or hollow charges characterised by the material of the liner
  • F42B 1/036 - Manufacturing processes therefor

63.

A METHOD, SOFTWARE PRODUCT, AND SYSTEM FOR DETERMINING A POSITION AND ORIENTATION IN A 3D RECONSTRUCTION OF THE EARTH'S SURFACE

      
Application Number SE2022050366
Publication Number 2022/220729
Status In Force
Filing Date 2022-04-12
Publication Date 2022-10-20
Owner SAAB AB (Sweden)
Inventor Ringdahl, Viktor

Abstract

The present disclosure relates to a method for determining a position and an orientation. The method (300) comprises the steps of obtaining (310) sensor data (210) comprising a plurality of images of Earth's surface from at least one calibrated camera; forming (320) a 3D reconstruction (220) of a part of Earth's surface based on obtained sensor data (210); obtaining (330) from a data storage (250), source data (260) indicative of a region comprising at least said part of Earth's surface, wherein said source data (260) comprises a source digital surface model, DSM, (270) for said region, and an orthophoto (280) of said region; determining (340a) a sensor DSM (230) of the 3D reconstruction (220) and a sensor texture (240) of the 3D reconstruction (220) based on the 3D reconstruction (220); matching (350) the sensor DSM (230) and the sensor texture (240) with the source DSM (270) and the orthophoto (280); and determining (360) the position and the orientation of the 3D reconstruction (220) based on the matching (350) of the sensor DSM (230) and the sensor texture (240) with the source DSM (270) and the orthophoto (280).

IPC Classes  ?

  • G06T 17/05 - Geographic models
  • G01C 11/00 - Photogrammetry or videogrammetry, e.g. stereogrammetry; Photographic surveying
  • G01S 13/02 - Systems using reflection of radio waves, e.g. primary radar systems; Analogous systems
  • G06T 15/04 - Texture mapping

64.

AN ANTENNA ARRANGEMENT COMPRISING A LAUNCH PIN

      
Application Number SE2022050369
Publication Number 2022/220732
Status In Force
Filing Date 2022-04-13
Publication Date 2022-10-20
Owner SAAB AB (Sweden)
Inventor
  • Blennius, Martin
  • Nyberg, Daniel

Abstract

The present disclosure relates to an antenna arrangement (1) comprising a sheet of dielectric (2) having a connecting surface (2'), the connecting surface (2') comprising at least one grounding pad (4) and a through-hole via (5) and an antenna element structure (6). The antenna element structure (6) comprises at least one radiating section (8) and at least one receiving section (7) extending towards the radiating section (8). The antenna arrangement (1) further comprises at least one antenna launch pin (3) comprising a conductive element (9) and a dielectric element (10), wherein the conductive element (9) comprises a first portion (11) having a first diameter (D1), the first portion (11) extending to a second portion (12) having a second diameter (D2), the second diameter (D2) being greater than the first diameter (D1). Moreover, the dielectric element (10) sleeves an upper part (11') of the first portion (11) of the conductive element (9), and wherein a lower part (11'') of the conductive element (9) protrudes from an end portion (13) of the dielectric element (10). Further, the lower part (11'') of the conductive element (9) is arranged so to extend through the through-hole via (5), allowing the launch pin (3) to extend perpendicularly from said sheet of dielectric (2). Furthermore, the antenna element structure (6) is attached to the sheet of dielectric (2), wherein the launch pin (3) extends into the radiating section (8) through the receiving section

IPC Classes  ?

  • H01Q 21/06 - Arrays of individually energised antenna units similarly polarised and spaced apart
  • H01Q 1/12 - Supports; Mounting means
  • H01R 24/66 - Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure with pins, blades or analogous contacts and secured to apparatus or structure, e.g. to a wall

65.

AN ANTENNA STRUCTURE AND METHOD FOR MANUFACTURING THE SAME

      
Application Number SE2022050368
Publication Number 2022/220731
Status In Force
Filing Date 2022-04-13
Publication Date 2022-10-20
Owner SAAB AB (Sweden)
Inventor Blennius, Martin

Abstract

The present disclosure relates to a method (100) and for manufacturing an antenna structure, the method comprising the steps of: providing (101) an antenna plate (2) and a sheet of dielectric (3) comprising at least one electrical component on a first surface (4) of said sheet of dielectric (3). Further, the method comprises the step of, by means of additive manufacturing forming (102) a metal plate (5), wherein the metal plate (5) comprises a cavity structure (13), wherein the metal plate (5) further comprises a defined curvature around a central axis (x1) traversing a central portion of said metal plate (5), wherein the metal plate (5) comprises an end angle (α), the end angle (α) being based on an optimal contact-pressure in-between the at least one electrical component (11) and a connecting surface (12) of the antenna plate (2). Further, the method comprises the step of arranging (103) the sheet of dielectric (3) in- between the metal plate (5) and the antenna plate (2) Moreover, the method comprises clamping (104) first end portions (E1) of the metal plate (5) to second end portions (E2) of the antenna plate (2), so to arrange the metal plate (5) from a first curved state to a second flat state.

IPC Classes  ?

  • H01Q 21/06 - Arrays of individually energised antenna units similarly polarised and spaced apart
  • H01Q 1/12 - Supports; Mounting means
  • H01Q 21/00 - Antenna arrays or systems
  • H05K 7/20 - Modifications to facilitate cooling, ventilating, or heating
  • G01S 7/03 - RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES - Details of systems according to groups , , of systems according to group - Details of HF subsystems specially adapted therefor, e.g. common to transmitter and receiver

66.

AN AIRBORNE VEHICLE ASSISTED LANDING SYSTEM AND METHOD THEREOF

      
Application Number 17620431
Status Pending
Filing Date 2020-06-17
First Publication Date 2022-10-13
Owner SAAB AB (Sweden)
Inventor
  • Holmer, Anna-Karin
  • Zanden, Johan
  • Andersson, Stefan

Abstract

The present disclosure relates to a landing assistance system and method (100) for assisting an airborne vehicle (1) during landing on a landing area (2). The landing assistance system (100) provides the airborne vehicle (1) with light signals. The landing assistance system comprises at least one geographically positioned light emitter (4, 6, 8) arranged at near ground level on the landing area (2). At least one first light emitter (6) of the at least one geographically positioned light emitter (4, 6, 8) is arranged to emit light to a designated position in space. The light comprises at least three light beams (B1-B3), wherein a first beam (B1) being a central beam, which indicates a designated glideslope, and at least a second beam (B2) and third beam (B3) indicating that said airborne vehicle (1) is positioned under or above the designated glideslope, respectively.

IPC Classes  ?

  • B64F 1/20 - Arrangement of optical beacons
  • G08G 5/00 - Traffic control systems for aircraft
  • G08G 5/02 - Automatic landing aids, i.e. systems in which flight data of incoming planes are processed to provide landing data

67.

CIRCUIT COMPRISING AN ADJUSTABLE ZENER VOLTAGE

      
Application Number 17633605
Status Pending
Filing Date 2019-08-13
First Publication Date 2022-10-06
Owner SAAB AB (Sweden)
Inventor Rosengren, Anders

Abstract

An electronic circuit is included, which acts as a zener diode below a zener voltage, and as a constant current source above the zener voltage comprising an input terminal, an output terminal, a first resistor, a second resistor, a third resistor, a fourth resistor, a first NPN-transistor, a second NPN-transistor, a PNP-transistor, and a voltage reference, where the zener voltage of the electronic circuit can be selected by a user.

IPC Classes  ?

  • G05F 3/18 - Regulating voltage or current wherein the variable is dc using uncontrolled devices with non-linear characteristics being semiconductor devices using Zener diodes
  • G05F 1/565 - Regulating voltage or current wherein the variable actually regulated by the final control device is dc using semiconductor devices in series with the load as final control devices sensing a condition of the system or its load in addition to means responsive to deviations in the output of the system, e.g. current, voltage, power factor
  • G05F 1/46 - Regulating voltage or current wherein the variable actually regulated by the final control device is dc

68.

A METHOD, SOFTWARE PRODUCT, DEVICE AND SYSTEM FOR DETERMINING A DIRECTION AT A POSITION

      
Application Number SE2022050304
Publication Number 2022/211708
Status In Force
Filing Date 2022-03-29
Publication Date 2022-10-06
Owner SAAB AB (Sweden)
Inventor
  • Nilsson, Linnea
  • Jonsson, Jimmy
  • Persson, Per-Olof

Abstract

The present disclosure relates to a method for determining a direction at a position (211), the method (100) comprises obtaining (110) an orthorectified photo (210) of a region of Earth's surface comprising the position (211), and a coordinate system for the orthorectified photo (210); identifying (120) the position (211) in the orthorectified photo (210); identifying (130) a reference object (212) in the orthorectified photo (210); determining (140) a reference direction (215) between the position (211) and the identified reference object (212); capturing (150) at least one digital photo (220;230) at the position (211) with a calibrated digital camera (331), wherein at least one of the at least one captured digital photo (220) depicts the reference object (222); and determining (190) the direction based on the at least one captured digital photo (220;230) and the determined reference direction (215), wherein the determined direction is based on at least one pixel coordinate corresponding to the depicted reference object (222) in the at least one captured digital photo (220) depicting the reference object (222).

IPC Classes  ?

  • G06T 7/73 - Determining position or orientation of objects or cameras using feature-based methods
  • F41G 3/00 - Aiming or laying means
  • F41G 3/22 - Aiming or laying means for vehicle-borne armament, e.g. on aircraft
  • G06K 9/00 - Methods or arrangements for reading or recognising printed or written characters or for recognising patterns, e.g. fingerprints

69.

METHOD AND SYSTEM FOR DISPENSING DETECTION OF A PYROTECHNICAL COUNTERMEASURE

      
Application Number SE2022050146
Publication Number 2022/177492
Status In Force
Filing Date 2022-02-11
Publication Date 2022-08-25
Owner SAAB AB (Sweden)
Inventor
  • Strihagen, Karl
  • Swanepoel, Albert

Abstract

The disclosure relates to a system and a method for dispensing detection of a pyrotechnical countermeasure in a pyrotechnical countermeasure dispenser system (1 ). The method comprises: - providing a pyrotechnical countermeasure dispenser control unit (4) with a recoil-sensing device (5), wherein upon activation of a pyrotechnical countermeasure dispensing command, - monitoring the sensing of a recoil signal (8) from the recoil-sensing device (5) during a monitoring window (6), - determining that a dispensing of the pyrotechnical countermeasure from a pyrotechnical countermeasure cartridge (3) has occurred upon detection of the recoil signal (8) exceeding a recoil detection threshold value (9) during the monitoring window (6), - determining that a misfire of the pyrotechnical countermeasure has occurred upon no detection of the recoil signal (8) during the monitoring window (6).

IPC Classes  ?

  • F41H 11/02 - Anti-aircraft or anti-guided missile defence installations or systems
  • B64D 1/02 - Dropping, ejecting, or releasing articles
  • F42B 5/15 - Cartridges, i.e. cases with propellant charge and missile for dispensing gases, vapours, powders, particles or chemically-reactive substances for creating a screening or decoy effect, e.g. using radar chaff or infrared material
  • F42B 12/70 - Projectiles, missiles or mines characterised by the warhead, the intended effect, or the material characterised by the warhead or the intended effect for signalling for dispensing discrete solid bodies for dispensing radar chaff or infrared material
  • G01P 15/00 - Measuring acceleration; Measuring deceleration; Measuring shock, i.e. sudden change of acceleration
  • G05B 23/00 - Testing or monitoring of control systems or parts thereof
  • H04B 17/00 - Monitoring; Testing

70.

LOW EMISSIVE COATING COMPOSITIONS FOR CAMOUFLAGE, AND PRODUCTS THEREFROM

      
Application Number 17622966
Status Pending
Filing Date 2019-06-28
First Publication Date 2022-08-25
Owner SAAB AB (Sweden)
Inventor
  • Kling, Daniel
  • Olovsson, Ann-Sofie
  • Boström, Björn

Abstract

The present disclosure relates to a composition for providing a camouflage coating, the composition including an aqueous polyolefin binder dispersion; a low-emissive pigment; and a matting agent. The matting agent is a thermoplastic polymer matting agent. The disclosure further relates to a method of producing a low-emissive textile product using such a composition, as well as low-emissive textile products and camouflage products produced using the composition.

IPC Classes  ?

71.

METHOD AND DEVICE FOR CONTROLLING THE OUTPUT EFFICIENCY OF A PLURALITY OF AMPLIFIERS

      
Application Number SE2022050145
Publication Number 2022/173357
Status In Force
Filing Date 2022-02-11
Publication Date 2022-08-18
Owner SAAB AB (Sweden)
Inventor
  • Thorsell, Mattias
  • Höök, Anders

Abstract

The present invention relates to a method (300) for compensating output efficiency of a plurality of amplifiers arranged to operate with an antenna array, where the antennas in the antenna array are electromagnetically coupled to each other, for providing a desired functionality of the antenna array, the method (300) comprising the steps of obtaining (301) input signal characteristics for each amplifier; determining (302) suitable compensating control parameters for each amplifier based on at least one of the input signal characteristics of each antenna and pre-determined coupling factors between antennas; outputting (303) efficiency control signals for adjusting at least one amplifier control parameter relating to output efficiency of each antenna.

IPC Classes  ?

  • H03F 1/02 - Modifications of amplifiers to raise the efficiency, e.g. gliding Class A stages, use of an auxiliary oscillation
  • H01Q 3/26 - Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system varying the distribution of energy across a radiating aperture
  • H03F 3/19 - High-frequency amplifiers, e.g. radio frequency amplifiers with semiconductor devices only
  • H03F 3/24 - Power amplifiers, e.g. Class B amplifiers, Class C amplifiers of transmitter output stages
  • H03G 3/30 - Automatic control in amplifiers having semiconductor devices

72.

HIGH VOLTAGE ADAPTER

      
Application Number SE2022050046
Publication Number 2022/159017
Status In Force
Filing Date 2022-01-17
Publication Date 2022-07-28
Owner SAAB AB (Sweden)
Inventor
  • Smith, David
  • Sundbäck, Henrik

Abstract

The present disclosure relates to a high voltage adapter (1) for insertion into an adapter socket (2) in a high voltage unit (10), the adapter (1) comprises an oblong cylindrical main body (3) having a first outer diameter (D1), the main body (3) comprising a first circumferential portion (3'), the first circumferential portion (3') having a second outer diameter (D2), wherein the second outer diameter (D2) is greater than the first outer diameter (D1). Further, the adapter (1) comprises a first threaded female portion (4) extending from a first base (5) of the main body (3) and a second threaded female portion (6) extending from an opposing second base (7) of the main body (3), each threaded female portion (4, 6) extending perpendicular to each corresponding base (5, 7) into the main body (3). Moreover, each threaded female portion (4, 6) is arranged to receive a threaded male connector (17, 18), so to transfer voltage signals from a first environment to a second environment. Also, the female portions (4, 6) extend towards each other and are separated by an inner wall (9).

IPC Classes  ?

  • H01R 31/06 - Intermediate parts for linking two coupling parts, e.g. adapter
  • H01R 13/53 - Bases or cases for heavy duty; Bases or cases with means for preventing corona or arcing

73.

NOSE ARRANGEMENT AND METHOD FOR DEPLOYING A NOSE ARRANGEMENT OF AN UNDERWATER VEHICLE

      
Application Number SE2022050058
Publication Number 2022/159021
Status In Force
Filing Date 2022-01-19
Publication Date 2022-07-28
Owner SAAB AB (Sweden)
Inventor
  • Rydell, Anders
  • Green, Torbjörn

Abstract

The present disclosure relates to a nose arrangement (100) for an underwater vehicle (10). The nose arrangement comprises a first separation section (110) comprising a first inflatable structure (113) and a second inflatable structure (114) arranged within the first inflatable structure (113). The first separation section (110) is arranged store the first inflatable structure (113) and the second inflatable structure (114) in a first state, and to inflate the first inflatable structure (113) and the second inflatable structure (114) in a second state. The first inflatable structure (113) is arranged to protrude along the longitudinal axis of the nose arrangement and underwater vehicle in the second state. The disclosure also relates to a method for deploying a nose arrangement (100) of an underwater vehicle.

IPC Classes  ?

  • B63G 8/00 - Underwater vessels, e.g. submarines
  • B63B 3/13 - Hulls built to withstand hydrostatic pressure when fully submerged, e.g. submarine hulls
  • B63B 7/08 - Inflatable
  • F42B 19/12 - Propulsion specially adapted for torpedoes

74.

Dispenser and method for launching countermeasures

      
Application Number 17612644
Grant Number 11845552
Status In Force
Filing Date 2020-06-02
First Publication Date 2022-07-28
Grant Date 2023-12-19
Owner SAAB AB (Sweden)
Inventor Zätterqvist, Christer

Abstract

A dispenser for storing and launching countermeasures, where the dispenser is adapted for storing the countermeasures in a magazine, where the dispenser is provided with at least one launch opening and where the dispenser is adapted to be mounted on an aircraft, where the dispenser includes a body, a bracket and a magazine housing, where the bracket is rotatable with respect to the body and where magazine housing is rotatable with respect to the bracket, where the magazine housing includes a storage space adapted to hold the magazine, and where the launch opening is arranged in the magazine housing. The invention also includes a method for rotating the magazine and launching a countermeasure. The advantage of the invention is that a countermeasure can be directed in a desired angle before it is launched.

IPC Classes  ?

  • B64D 1/02 - Dropping, ejecting, or releasing articles
  • F41H 11/02 - Anti-aircraft or anti-guided missile defence installations or systems
  • F42B 12/70 - Projectiles, missiles or mines characterised by the warhead, the intended effect, or the material characterised by the warhead or the intended effect for signalling for dispensing discrete solid bodies for dispensing radar chaff or infrared material

75.

COMPACT BALUN WITH OUT-OF-BAND SPURIOUS SUPPRESSION

      
Application Number SE2022050018
Publication Number 2022/159016
Status In Force
Filing Date 2022-01-12
Publication Date 2022-07-28
Owner SAAB AB (Sweden)
Inventor
  • Gunnarsson, Sten
  • Kuylenstierna, Dan

Abstract

A balun circuit is disclosed. The balun circuit (1) has an unbalanced port (2) and a balanced port, wherein the balanced port comprises a first terminal (3), and a second terminal (4). The balun circuit further comprises a main line (5) having a first end and a second end, the first end being coupled to the unbalanced port. Moreover, the balun circuit comprises a first sub-line (6) electromagnetically coupled to the main line, the first sub-line having a first end and a second end, wherein the first end of the first sub-line is coupled to the first terminal (3) of the balanced port. The balun circuit further comprises a second sub-line (7) electromagnetically coupled to the main line, the second sub-line having a first end and a second end, wherein the first end of the second sub-line is coupled to the second terminal (4) of the balanced port. Furthermore, the balun circuit comprises a series resonant circuit (8) connected between the first terminal (3) and the second terminal (4).

IPC Classes  ?

  • G01P 5/10 - Measuring speed of fluids, e.g. of air stream; Measuring speed of bodies relative to fluids, e.g. of ship, of aircraft by measuring thermal variables
  • H01P 5/12 - Coupling devices having more than two ports
  • H03H 7/42 - Balance/unbalance networks

76.

A MONOSTATIC RADAR SYSTEM

      
Application Number SE2022050004
Publication Number 2022/150006
Status In Force
Filing Date 2022-01-07
Publication Date 2022-07-14
Owner SAAB AB (Sweden)
Inventor Silander, Anders

Abstract

The present disclosure relates to a monostatic radar system (1) comprising a radar module (2) comprising a transmitter (3), a receiver (4), and a signal processing unit (5). Further comprising a phase noise controller (6) comprising an analog-to-digital converter, ADC (7). Further comprising an RF oscillator (9) configured to transmit RF oscillator signals to said phase noise controller (6) and said radar module (2), wherein the radar module (2) is configured to transmit at least a first radar (10) signal into an environment, wherein the radar signal is based on the RF oscillator signal, receive at least a second radar signal (11) formed by reflections of the first radar signal from at least one object (12) in said environment. The phase noise controller (6) is configured to duplicate the RF oscillator signal, delay the duplicated RF oscillator signal by a time period, mix the RF oscillator signal and the delayed duplicated RF oscillator signal, so to obtain a combined RF oscillator signal, digitize the combined RF oscillator signal by means of the ADC (7). The signal processing unit (5) is configured to obtain at least the second radar signal (11) and the combined RF oscillator signal and supress the phase noise of the second radar signal (11) based on the combined RF oscillator signal.

IPC Classes  ?

  • G01S 13/34 - Systems for measuring distance only using transmission of continuous waves, whether amplitude-, frequency-, or phase-modulated, or unmodulated using transmission of continuous, frequency-modulated waves while heterodyning the received signal, or a signal derived therefrom, with a locally-generated signal related to the contemporaneously transmitted signal
  • G01S 7/285 - Receivers
  • G01S 7/35 - RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES - Details of systems according to groups , , of systems according to group - Details of non-pulse systems
  • G01S 7/40 - Means for monitoring or calibrating
  • G01S 13/02 - Systems using reflection of radio waves, e.g. primary radar systems; Analogous systems

77.

ACTIVE RECEIVER DISTORTION SUPPRESSION IN A RADAR SYSTEM

      
Application Number 17607912
Status Pending
Filing Date 2019-05-02
First Publication Date 2022-07-07
Owner SAAB AB (Sweden)
Inventor
  • Silander, Anders
  • Anguelova, Milena

Abstract

A method for operating a radar in a radar system to cancel an external disturbance in a received signal is provided. The method comprises receiving a signal at the receiving antenna, receiving the signal at the control unit, identifying interfering signal, generating a correction signal and feeding the correction signal. The correction signal is arranged to dampen the interfering signal in the frequency span in the received signal. Thereby the external disturbance is reduced.

IPC Classes  ?

  • G01S 7/02 - RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES - Details of systems according to groups , , of systems according to group
  • G01S 7/285 - Receivers
  • G01S 13/02 - Systems using reflection of radio waves, e.g. primary radar systems; Analogous systems

78.

ALUMINIUM COMBUSTION FOR HEAT GENERATION

      
Application Number 17603694
Status Pending
Filing Date 2020-04-14
First Publication Date 2022-07-07
Owner SAAB AB (Sweden)
Inventor Nilsson, Daniel

Abstract

Provided is a heat generating arrangement and a method for generation of heat to be used in a heat consumer. The heat generating arrangement uses combustion of aluminium and hydrogen to raise the temperature of superheated steam inside the heat generating arrangement. The heat in the superheated steam can thereafter be used in a heat consumer, such as a heat exchanger.

IPC Classes  ?

  • F22G 1/14 - Steam superheating characterised by heating method using heat generated by chemical reactions
  • F22G 1/12 - Steam superheating characterised by heating method by mixing steam with furnace gases or other combustion products
  • F24V 30/00 - Apparatus or devices using heat produced by exothermal chemical reactions other than by combustion
  • C01B 3/08 - Production of hydrogen or of gaseous mixtures containing hydrogen by reaction of inorganic compounds containing electro-positively bound hydrogen, e.g. water, acids, bases, ammonia, with inorganic reducing agents with metals

79.

SYSTEM AND METHOD FOR DETERMINING CHANGES OF AN OPTICAL FIBRE

      
Application Number 17655605
Status Pending
Filing Date 2022-03-21
First Publication Date 2022-07-07
Owner SAAB AB (Sweden)
Inventor
  • Josefsson, Roy
  • Eckerström, Daniel

Abstract

The invention relates to a method for determining temperature, pressure, strain, or other changes of an optical fibre (250) having Fiber Bragg Grating (FBG) patterns provided in at least one portion (Portion 1) of said optical fibre (250), said optical fibre (250) being connected between a first detector arrangement (210) and a second detector arrangement (220), the method comprising the steps of: The invention relates to a method for determining temperature, pressure, strain, or other changes of an optical fibre (250) having Fiber Bragg Grating (FBG) patterns provided in at least one portion (Portion 1) of said optical fibre (250), said optical fibre (250) being connected between a first detector arrangement (210) and a second detector arrangement (220), the method comprising the steps of: emitting (s410) light into said optical fibre (250) in a first direction (D1) from said first detector arrangement (210), receiving reflections from said (FBG) patterns of such emitted light by said first detector arrangement (210), and processing said reflections for determining a current temperature change related to said optical fibre (250); The invention relates to a method for determining temperature, pressure, strain, or other changes of an optical fibre (250) having Fiber Bragg Grating (FBG) patterns provided in at least one portion (Portion 1) of said optical fibre (250), said optical fibre (250) being connected between a first detector arrangement (210) and a second detector arrangement (220), the method comprising the steps of: emitting (s410) light into said optical fibre (250) in a first direction (D1) from said first detector arrangement (210), receiving reflections from said (FBG) patterns of such emitted light by said first detector arrangement (210), and processing said reflections for determining a current temperature change related to said optical fibre (250); on the basis of predetermined criteria, emitting (s440) light into said optical fibre (250) in an opposite, second, direction (D2) from said second detector arrangement (220), receiving reflections from said (FBG) patterns of such emitted light by said second detector arrangement (220), and processing said reflections for determining a current temperature change related to said optical fibre (250). The invention relates to a method for determining temperature, pressure, strain, or other changes of an optical fibre (250) having Fiber Bragg Grating (FBG) patterns provided in at least one portion (Portion 1) of said optical fibre (250), said optical fibre (250) being connected between a first detector arrangement (210) and a second detector arrangement (220), the method comprising the steps of: emitting (s410) light into said optical fibre (250) in a first direction (D1) from said first detector arrangement (210), receiving reflections from said (FBG) patterns of such emitted light by said first detector arrangement (210), and processing said reflections for determining a current temperature change related to said optical fibre (250); on the basis of predetermined criteria, emitting (s440) light into said optical fibre (250) in an opposite, second, direction (D2) from said second detector arrangement (220), receiving reflections from said (FBG) patterns of such emitted light by said second detector arrangement (220), and processing said reflections for determining a current temperature change related to said optical fibre (250). The invention relates also to a computer program product comprising program code (P) for a computer (233; 243; 253; 500) for implementing a method according to the invention. The invention relates also to a system (289) for determining temperature changes of an optical fibre (250). The invention also relates to a platform (100) being equipped with the system (289).

IPC Classes  ?

  • G01K 11/3206 - Measuring temperature based on physical or chemical changes not covered by group , , , or using changes in transmittance, scattering or luminescence in optical fibres at discrete locations in the fibre, e.g. using Bragg scattering
  • G01D 3/10 - Measuring arrangements with provision for the special purposes referred to in the subgroups of this group with provision for switching-in of additional or auxiliary indicators or recorders
  • G01D 5/353 - Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using optical means, i.e. using infrared, visible or ultraviolet light with attenuation or whole or partial obturation of beams of light the beams of light being detected by photocells influencing the transmission properties of an optical fibre

80.

A FRAGMENTATION WARHEAD AND A METHOD OF MANUFACTURING OF A FRAGMENTATION WARHEAD

      
Application Number SE2021051203
Publication Number 2022/131994
Status In Force
Filing Date 2021-12-06
Publication Date 2022-06-23
Owner SAAB AB (Sweden)
Inventor
  • Vestlund, Johnny
  • Thor, Olov

Abstract

The present invention relates to a fragmentation warhead (10), comprising: an inner casing (20) accommodating explosive charge (30); a fragmentation casing (40) at least partly surrounding the inner casing (20); and an outer casing (50) arranged outside the inner casing (20) and the fragmentation casing (40); wherein the inner casing (20) consists of a front liner (22) and a rear liner (24), which are connected to each other and wherein the fragmentation casing (40) comprises a molded casing with integrated metal elements (46).

IPC Classes  ?

  • F42B 12/32 - Projectiles, missiles or mines characterised by the warhead, the intended effect, or the material characterised by the warhead or the intended effect of high-explosive type with fragmentation-hull construction the hull or case comprising a plurality of discrete bodies, e.g. steel balls, embedded therein

81.

A FRAGMENTATION WARHEAD AND A METHOD OF MANUFACTURING OF A FRAGMENTATION WARHEAD

      
Document Number 03200897
Status Pending
Filing Date 2021-12-06
Open to Public Date 2022-06-23
Owner SAAB AB (Sweden)
Inventor
  • Vestlund, Johnny
  • Thor, Olov

Abstract

The present invention relates to a fragmentation warhead, comprising: an inner casing accommodating explosive charge; a fragmentation casing at least partly surrounding the inner casing; and an outer casing arranged outside the inner casing and the fragmentation casing; wherein the inner casing consists of a front liner and a rear liner, which are connected to each other and wherein the fragmentation casing comprises a molded casing with integrated metal elements.

IPC Classes  ?

  • F42B 12/32 - Projectiles, missiles or mines characterised by the warhead, the intended effect, or the material characterised by the warhead or the intended effect of high-explosive type with fragmentation-hull construction the hull or case comprising a plurality of discrete bodies, e.g. steel balls, embedded therein

82.

A SINGLE-POLE DOUBLE-THROW RADIO-FREQUENCY SWITCH TOPOLOGY

      
Application Number SE2021051258
Publication Number 2022/132010
Status In Force
Filing Date 2021-12-15
Publication Date 2022-06-23
Owner SAAB AB (Sweden)
Inventor Ikonen, Petri

Abstract

The present disclosure relates to a single-pole double-throw, SPDT, radio-frequency, RF, switch topology (1) comprising a first port (P1), a second port (P2), and a third port (P3). A first switchable path arranged between the first port (P1) and the second port (P2). Further, a second switchable path arranged between the first port (P1) and the third port (P3). The first switchable path comprises at least one first switching stage (S1) and at least one second switching stage (S2). The second switchable path comprises at least one first switching stage (S1) and at least one second switching stage (S2).Moreover, each first switching stage (S1) comprises a first impedance network (2) having a line inductance element (3) and two shunt capacitors (4), the first switching stage (S1) further comprising at least one shunt PIN diode (5) and a bias feed (6) for applying a bias voltage to the at least one shunt PIN diode (5), wherein the two shunt capacitors (4) of each first switching stage are grounded via the at least one shunt PIN diode (5). Each second switching stage (S2) comprises a second impedance network (7) having a line inductance element (3) and a shunt capacitor (4), the second switching stage (S2) further comprising at least one shunt PIN diode (5) and a bias feed (6) for applying a bias voltage to the at least one shunt PIN diode (5), wherein the shunt capacitor (4) of each second switching stage (S2) is grounded via the at least one shunt PIN diode (5). Furthermore, the switch topology (1) comprises control circuitry (10) configured to control the bias feed (6) of each first switching stage (S1) and each second switching stage (S2) so to selectively alternate the first and the second switchable paths between a first operating mode and a second operating mode.

IPC Classes  ?

  • H01P 1/15 - Auxiliary devices for switching or interrupting by semiconductor devices

83.

COOLING SYSTEM OF AN ELECTRONIC MODULE WITH A LEAKAGE CONTROL DEVICE

      
Application Number SE2021051219
Publication Number 2022/124970
Status In Force
Filing Date 2021-12-08
Publication Date 2022-06-16
Owner SAAB AB (Sweden)
Inventor Blennius, Martin

Abstract

The present disclosure relates to a system (1) for controlling the cooling of an electronic module (2), the system (1) comprising an electronic module (2) extending in a first (x1) and a second direction (y1), a cooling pipe structure (3) and a leakage device (4). The cooling pipe structure (3) is arranged to transfer a flow of cooling medium, so to cool the electronic module (2), wherein the cooling pipe structure (3) further comprises a muzzle (5) extending outwardly from a circumferential portion (6) of said cooling pipe structure (3) and a coupling portion (7) being mated with an open end (8) of the muzzle (5) wherein said leakage device (4) comprises a leak collecting means (9) circumferentially enclosing a mating interface (10) of the muzzle (5) and the coupling portion (7), so to collect any leakage from the cooling pipe structure (3). The leakage device (4) further comprises a transporting portion (11) extending in-between the leak collecting means (9) and an analysis reservoir (12), so to lead any leakage collected in the leak collecting means (9) to said analysis reservoir (12).

IPC Classes  ?

  • H05K 7/20 - Modifications to facilitate cooling, ventilating, or heating

84.

ANTENNA ARRANGEMENT

      
Application Number SE2021051167
Publication Number 2022/115022
Status In Force
Filing Date 2021-11-23
Publication Date 2022-06-02
Owner SAAB AB (Sweden)
Inventor
  • Svensson, Bengt
  • Höök, Anders
  • Viikari, Ville
  • Ala-Laurinaho, Juha
  • Leino, Mikko

Abstract

The present disclosure relates to an antenna arrangement (1) comprising a first antenna (2) configured to operate within a first frequency band and a second antenna (3) configured to operate within a second frequency band. The first frequency band is higher than the second frequency band. Further, the second antenna (3) is at least partly arranged within an illumination-field of the first antenna (2). Furthermore, the second antenna (3) comprises a dipole structure (4) segmented into a plurality of electrically conductive sections (5), wherein each electrically conductive section (5) is coupled to an adjacent electrically conductive section by a reactive load section (6).

IPC Classes  ?

  • H01Q 5/15 - Resonant antennas for operation of centre-fed antennas comprising one or more collinear, substantially straight or elongated active elements
  • H01Q 21/10 - Collinear arrangements of substantially straight elongated conductive units
  • H01Q 9/16 - Resonant antennas with feed intermediate between the extremities of the antenna, e.g. centre-fed dipole
  • H01Q 1/52 - Means for reducing coupling between antennas; Means for reducing coupling between an antenna and another structure
  • H01Q 21/28 - Combinations of substantially independent non-interacting antenna units or systems

85.

Fragmentation device and method firing such a device

      
Application Number 17439626
Grant Number 11774223
Status In Force
Filing Date 2020-03-02
First Publication Date 2022-06-02
Grant Date 2023-10-03
Owner SAAB AB (Sweden)
Inventor Hellman, Ulf

Abstract

The present invention relates to a substantially spheroidal fragmentation device (10). The fragmentation device (10) comprises: i) a protective exterior layer (6) of resilient material accommodating at least one warhead (9); ii) an inner core (11) protected by said exterior layer (6). The inner core (11) comprises: ii.a) an insensitive munition (IM); ii.b) a polymeric, plastic and/or rubbery matrix embedding the insensitive munition (IM); ii.c) explosive material (5) enclosed within the matrix of ii.b) and/or surrounding the matrix of ii.b). The ratio of the thickness of the protective exterior layer (6) to the radius of the fragmentation device (10) ranges from 0.1:1 to 0.7:1. The warhead (9) is accommodated within the protective exterior layer (6) or between the inner core (11) and the protective exterior layer (6). The invention also relates to a method of firing a fragmentation device (10) as disclosed herein, wherein a firearm is aimed at a surface enabling rebounding of the fragmentation device (10) whereby the fragmentation device (10) changes direction. The invention also relates to the use of a fragmentation device (10) as disclosed herein in a firearm.

IPC Classes  ?

  • F42B 12/32 - Projectiles, missiles or mines characterised by the warhead, the intended effect, or the material characterised by the warhead or the intended effect of high-explosive type with fragmentation-hull construction the hull or case comprising a plurality of discrete bodies, e.g. steel balls, embedded therein
  • F42B 12/20 - Projectiles, missiles or mines characterised by the warhead, the intended effect, or the material characterised by the warhead or the intended effect of high-explosive type
  • F42B 12/76 - Projectiles, missiles or mines characterised by the warhead, the intended effect, or the material characterised by the material of the casing
  • F42C 19/08 - Primers; Detonators

86.

A MULTIPLE-INPUT MULTIPLE-OUTPUT RADAR SYSTEM

      
Application Number SE2021051159
Publication Number 2022/115018
Status In Force
Filing Date 2021-11-22
Publication Date 2022-06-02
Owner SAAB AB (Sweden)
Inventor Falk, Kent

Abstract

The present disclosure relates to a multiple-input multiple-output, MIMO radar system (1) comprising an antenna (2) comprising at least two sparse transmit arrays (3, 4), each sparse transmit array (3, 4) comprising a plurality of antenna elements (5). The antenna elements (5) of each sparse transmit arrays (3, 4) are at least partially overlapping with the antenna elements (5) of the other sparse transmit arrays (3, 4) of the at least two sparse transmit arrays (3, 4). Further, there is control circuitry (7) connected to the antenna (2). The control circuitry (7) is configured to transmit a signal having a waveform by means of each sparse transmit array (3, 4), wherein the waveform of each signal is substantially orthogonal relative to a waveform of each other signal of each other sparse transmit arrays (3, 4) of the at least two sparse transmit arrays (3, 4). Furthermore, the waveforms of each signal together form an interference pattern, and wherein a sum of all interference patterns of all of the signals illuminate an area of interest.

IPC Classes  ?

  • G01S 13/00 - Systems using the reflection or reradiation of radio waves, e.g. radar systems; Analogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified
  • G01S 7/02 - RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES - Details of systems according to groups , , of systems according to group
  • G01S 13/931 - Radar or analogous systems, specially adapted for specific applications for anti-collision purposes of land vehicles

87.

A RECEIVER SYSTEM CONFIGURED TO ALTERNATE BETWEEN DIFFERENT BEAMFORMING TYPES

      
Application Number SE2021051158
Publication Number 2022/108513
Status In Force
Filing Date 2021-11-19
Publication Date 2022-05-27
Owner SAAB AB (Sweden)
Inventor
  • Spoof, Kalle
  • Tenhunen, Mikka
  • Stadius, Kari
  • Unnikrishnan, Vishnu
  • Kosunen, Marko
  • Ryynanen, Jussi

Abstract

The proposed disclosure relates to a method (100) and system (1) arranged to provide beamforming of incoming radio-frequency signals, the receiver system (1) comprising at least one digital signal processor, DSP (2), a plurality of analogue-to-digital converters, ADC (3), each connected to the at least one DSP (2). Further the system comprises a plurality of sample-and-hold, S&H, circuit groups (4), each comprising a plurality of sample-and-hold circuits (5) additively connected to a respective ADC (3) and a plurality of receiving antenna connections (6) each connected to a respective S&H circuit (5) in each group (4) at one end and each antenna connection (6) connected to a respective antenna (7). The receiver system (1) is configured to selectively alternate between a plurality of beamforming functionalities, wherein the receiver system (1) is arranged to time-interleave the ADCs (3) and control specific S&H circuits (5) in each S&H group (4) by at least one of time-interleave or disable specific S&H circuits (5) depending on a set beamforming functionality.

IPC Classes  ?

  • H04B 7/08 - Diversity systems; Multi-antenna systems, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station
  • H04B 1/10 - Means associated with receiver for limiting or suppressing noise or interference
  • H04L 25/03 - Shaping networks in transmitter or receiver, e.g. adaptive shaping networks

88.

Antenna array and a phased array system with such antenna array

      
Application Number 17601040
Grant Number 11784403
Status In Force
Filing Date 2020-04-03
First Publication Date 2022-05-26
Grant Date 2023-10-10
Owner SAAB AB (Sweden)
Inventor Olsen, Terje Sparre

Abstract

Antenna array and phased array system including a first and second antenna group, wherein the first antenna group includes two or more first antennas, and the second antenna group includes two or more second antennas, where in a first plane the one or more first and second antennas point in the same direction, and in a second plane, perpendicular to the first plane the one or more first antennas of the first antenna group are squinted by orientation away from the one or more second antennas of the second antenna group.

IPC Classes  ?

  • H01Q 13/10 - Resonant slot antennas
  • H01Q 21/00 - Antenna arrays or systems
  • H01Q 3/04 - Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system using mechanical movement of antenna or antenna system as a whole for varying one co-ordinate of the orientation
  • H01Q 3/22 - Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system varying the orientation in accordance with variation of frequency of radiated wave

89.

Method, computer program product, device and system for determining if an optical component of an electro-optical sensor system needs replacing

      
Application Number 17595014
Grant Number 11499887
Status In Force
Filing Date 2019-05-06
First Publication Date 2022-05-19
Grant Date 2022-11-15
Owner SAAB AB (Sweden)
Inventor Eidet, Per Anders

Abstract

The present disclosure relates to a method for determining an impact of optical component degradation on the functionality of an electro-optical sensor system, said method (100) comprising a step of obtaining (110) test data relating to the state of the optical component; a step of providing (130) a set of correlation values based on test data and correlation data, said correlation data correlating test data to an optical component degradation state, wherein the optical component degradation state relates to a functionality impact of the electro-optical sensor system; and a step of obtaining (140) an electro-optical sensor system functionality estimate based on the provided set of correlation values.

IPC Classes  ?

  • G01M 11/02 - Testing optical properties
  • G01S 7/497 - Means for monitoring or calibrating
  • G01N 21/95 - Investigating the presence of flaws, defects or contamination characterised by the material or shape of the object to be examined

90.

SYSTEM AND METHOD FOR DETERMINING TEMPERATURE CHANGES OF AN OPTICAL FIBRE

      
Application Number 17647190
Status Pending
Filing Date 2022-01-06
First Publication Date 2022-04-28
Owner SAAB AB (Sweden)
Inventor
  • Josefsson, Roy
  • Eckerstroem, Daniel

Abstract

The invention relates to a method for determining temperature changes of an optical fibre (250) having Fiber Bragg Grating (FBG) patterns provided in at least one portion (Portion 1) of said optical fibre (250), said optical fibre (250) being connected between a first detector arrangement (210) and a second detector arrangement (220), the method comprising the steps of: emitting (s410) light into said optical fibre (250) in a first direction (D1) from said first detector arrangement (210), receiving reflections from said (FBG) patterns of such emitted light by said first detector arrangement (210), and processing said reflections for determining a current temperature change related to said optical fibre (250); on the basis of predetermined criteria, emitting (s440) light into said optical fibre (250) in an opposite, second, direction (D2) from said second detector arrangement (220), receiving reflections from said (FBG) patterns of such emitted light by said second detector arrangement (220), and processing said reflections for determining a current temperature change related to said optical fibre (250). The invention relates also to a computer program product comprising program code (P) for a computer (233; 243; 253; 500) for implementing a method according to the invention. The invention relates also to a system (289) for determining temperature changes of an optical fibre (250). The invention also relates to a platform (100) being equipped with the system (289).

IPC Classes  ?

  • G01K 11/3206 - Measuring temperature based on physical or chemical changes not covered by group , , , or using changes in transmittance, scattering or luminescence in optical fibres at discrete locations in the fibre, e.g. using Bragg scattering
  • G01D 5/353 - Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using optical means, i.e. using infrared, visible or ultraviolet light with attenuation or whole or partial obturation of beams of light the beams of light being detected by photocells influencing the transmission properties of an optical fibre
  • G01D 3/10 - Measuring arrangements with provision for the special purposes referred to in the subgroups of this group with provision for switching-in of additional or auxiliary indicators or recorders

91.

A CAMOUFLAGE TAPE, AND CAMOUFLAGE TAPE SYSTEM FOR TEMPORARY MULTISPECTRAL CAMOUFLAGE OF OBJECTS

      
Document Number 03194068
Status Pending
Filing Date 2021-10-13
Open to Public Date 2022-04-21
Owner SAAB AB (Sweden)
Inventor Jersblad, Johan

Abstract

The present disclosure relates to a multispectral camouflage tape for temporary multispectral camouflage of objects, such as weapons or military, comprising a camouflage material layer having camouflage properties in the visual and thermal infrared wavelength regions, the camouflage material layer comprising a textile and a thermal-radiation reflecting material; a tape layer comprising a tape substrate having an inward-facing side coated with an inner adhesive layer; and a releasable liner layer releasably adhered to the inward-facing side of the tape substrate through the inner adhesive layer, wherein the camouflage material layer is adhered to the tape substrate such that the camouflage material layer and the tape layer form a tape configured to adhered to an object by the inner adhesive layer at an inward-facing side of the tape substrate, after removal of the release liner layer.

IPC Classes  ?

92.

A CAMOUFLAGE TAPE, AND CAMOUFLAGE TAPE SYSTEM FOR TEMPORARY MULTISPECTRAL CAMOUFLAGE OF OBJECTS

      
Application Number SE2021051000
Publication Number 2022/081070
Status In Force
Filing Date 2021-10-13
Publication Date 2022-04-21
Owner SAAB AB (Sweden)
Inventor Jersblad, Johan

Abstract

The present disclosure relates to a multispectral camouflage tape (100) for temporary multispectral camouflage of objects, such as weapons or military, comprising a camouflage material layer 110 having camouflage properties in the visual and thermal infrared wavelength regions, the camouflage material layer 110 comprising a textile 111 and a thermal-radiation reflecting material 112; a tape layer 120 comprising a tape substrate 121 having an inward- facing side coated with an inner adhesive layer 122; and a releasable liner layer 130 releasably adhered to the inward-facing side of the tape substrate 121 through the inner adhesive layer 122, wherein the camouflage material layer 110 is adhered to the tape substrate 121 such that the camouflage material layer 110 and the tape layer 120 form a tape configured to adhered to an object by the inner adhesive layer 122 at an inward-facing side of the tape substrate 121, after removal of the release liner layer 130.

IPC Classes  ?

  • C09J 7/29 - Laminated material
  • B32B 15/14 - Layered products essentially comprising metal next to a fibrous or filamentary layer
  • B32B 15/20 - Layered products essentially comprising metal comprising aluminium or copper
  • C09J 7/28 - Metal sheet
  • F41H 3/02 - Covers, e.g. screens, nets

93.

LOW EMISSIVE COATING COMPOSITIONS FOR CAMOUFLAGE, AND PRODUCTS THEREFROM

      
Application Number SE2021051002
Publication Number 2022/081072
Status In Force
Filing Date 2021-10-13
Publication Date 2022-04-21
Owner SAAB AB (Sweden)
Inventor
  • Olovsson, Ann-Sofie
  • Boström, Björn
  • Kling, Daniel

Abstract

The present disclosure relates to a composition for providing a camouflage coating, the composition comprising a) an aqueous binder dispersion; b) a low-emissive pigment; and c) a matting agent. The disclosure further relates to a method of producing a low-emissive textile product using such a composition, as well as low-emissive textile products and camouflage products produced using the composition.

IPC Classes  ?

94.

Winter camouflage comprising hexagonal boron nitride

      
Application Number 17426174
Grant Number 11932780
Status In Force
Filing Date 2019-01-31
First Publication Date 2022-04-14
Grant Date 2024-03-19
Owner SAAB AB (Sweden)
Inventor
  • Olovsson, Ann-Sofie
  • Boström, Björn

Abstract

The present disclosure relates to a camouflage material for use in a snowy environment. The camouflage material includes hexagonal boron nitride (h-BN). The disclosure further relates to the use of hexagonal boron nitride for UV signature management in a camouflage material, as well as a camouflage product including such a camouflage material.

IPC Classes  ?

95.

GRADIENT STRUCTURE FOR TRANSMITTING AND/OR REFLECTING AN ELECTROMAGNETIC SIGNAL

      
Application Number SE2021050877
Publication Number 2022/066083
Status In Force
Filing Date 2021-09-13
Publication Date 2022-03-31
Owner SAAB AB (Sweden)
Inventor
  • Poulsen, Sören
  • Bergander, Philip

Abstract

The present disclosure relates to a gradient structure (100) for transmitting and/or reflecting an electromagnetic signal. The gradient structure comprises a plurality of interconnected cells (110). Each cell comprises a through cavity (112) surrounded by walls (111), wherein the walls of each cell have a gradually varying thickness along a longitudinal direction of each cell. The present disclosure also relates to a cover structure (200) comprising the gradient structure (100), a system (300) comprising the cover structure (200), a structure element (400) having integrated therein the system (300) and to a method for optimizing the transmittance and/or reflectance of an electromagnetic signal of a gradient structure.

IPC Classes  ?

  • H01Q 1/42 - Housings not intimately mechanically associated with radiating elements, e.g. radome
  • H01Q 19/06 - Combinations of primary active antenna elements and units with secondary devices, e.g. with quasi-optical devices, for giving the antenna a desired directional characteristic using refracting or diffracting devices, e.g. lens

96.

WIDEBAND HORIZONTALLY POLARIZED ANTENNA

      
Application Number SE2021050866
Publication Number 2022/060275
Status In Force
Filing Date 2021-09-09
Publication Date 2022-03-24
Owner SAAB AB (Sweden)
Inventor
  • Frid, Henrik
  • Tengstrand, Göran

Abstract

The disclosure relates to an antenna arrangement (1), comprising an antenna mounted inside a radome (3). The antenna arrangement (1) further comprises a mounting arrangement arranged to mount the antenna arrangement (1) to an antenna platform (7a, 7b, 7c). The antenna is a tapered slot antenna (2), the radome (3) has an aerodynamic shape, and the mounting arrangement comprises two antenna fastening means (5) and an antenna radio frequency connector (6) arranged to interact with corresponding antenna platform (7a, 7b, 7c) fastening means and an antenna platform radio frequency connector arranged on the antenna platform (7a, 7b, 7c).

IPC Classes  ?

  • H01Q 1/27 - Adaptation for use in or on movable bodies
  • H01Q 1/28 - Adaptation for use in or on aircraft, missiles, satellites, or balloons
  • H01Q 1/32 - Adaptation for use in or on road or rail vehicles
  • H01Q 1/34 - Adaptation for use in or on ships, submarines, buoys or torpedoes
  • H01Q 1/42 - Housings not intimately mechanically associated with radiating elements, e.g. radome

97.

A WATERCRAFT VEHICLE AND METHOD OF MANOEUVRING THE VEHICLE

      
Application Number SE2021050869
Publication Number 2022/060277
Status In Force
Filing Date 2021-09-13
Publication Date 2022-03-24
Owner SAAB AB (Sweden)
Inventor Rydell, Anders

Abstract

The present invention regards a watercraft vehicle (1) having a propeller shaft (9) coupled to a motor (3) and a propeller (7) forming a propeller disc (11) having a hub (17). A first blade (8) of the propeller (7) is hingedly coupled to a first oblique lag-pitch hinge (22') of the hub (17) and a second blade (10) of the propeller (7) is hingedly coupled to a second oblique lag-pitch hinge (22'') of the hub (17). The first oblique lag-pitch hinge (22') being oriented in a direction oblique to the axis of rotation (RX) and parallel with the second oblique lag-pitch hinge (22''). A control circuitry (5) provides a first thrust (T') in a first arc segment (13') of the propeller disc (11) and provides a second thrust (T'') in a second arc segment (13'') of the propeller disc (11) by controlling a rate of change of shaft (9) rotational velocity, wherein a first propeller blade pitch change is achieved about the first oblique lag-pitch hinge (22') and a second propeller blade pitch change is achieved about the second oblique lag-pitch hinge (22''). The present invention also regards a method of manoeuvring the watercraft vehicle (1).

IPC Classes  ?

  • B63H 3/10 - Propeller-blade pitch changing characterised by having pitch control conjoint with propulsion-plant control
  • B63G 8/00 - Underwater vessels, e.g. submarines
  • B63G 8/14 - Control of attitude or depth
  • B63H 1/20 - Hubs; Blade connections

98.

A TRANSITION ARRANGEMENT

      
Application Number SE2021050864
Publication Number 2022/055411
Status In Force
Filing Date 2021-09-09
Publication Date 2022-03-17
Owner SAAB AB (Sweden)
Inventor
  • Gunnarsson, Sten
  • Kowalewski, Mikael

Abstract

The present disclosure relates to a transition arrangement (1) for transitioning between a transmission line, TL (2), and a substrate integrated waveguide, SIW (3), for routing a microwave signal. The transition arrangement (1) comprises a block of dielectric (4) comprising a first layer (5) comprising the TL (2) having a length (L) extending in a first direction (x1) towards the SIW (3). The TL (2) comprises a plurality of sections (S1, S2, S3, S4) having gradually increasing widths (W1, W2, W3, W4) along the first direction towards the SIW (3), wherein the widths (W1, W2, W3, W4) are defined in a second direction (y1) being perpendicular to the first direction (x1). Further, each section (S1, S2, S3, S4) is associated with at least one corresponding TL ground plane (7) in a layer parallel to the first layer (5). For each increase in width (W1, W2, W3, W4), each corresponding TL ground plane (7) defines an increasing distance from the TL (2) in a third direction (z1) being perpendicular to the first and the second direction (x1, y1). Furthermore, the block of dielectric (4) comprises a fence structure (8) arranged on opposing sides of the TL (2) and extending along at least a portion of the TL (2) towards the SIW (3) in the first direction (x1), at least a part of the fence structure (8) having a spacing of less than half a wavelength of the microwave signal in the second direction (y1).

IPC Classes  ?

  • H01P 5/107 - Hollow-waveguide/strip-line transitions
  • H01P 3/12 - Hollow waveguides
  • H01P 5/10 - Coupling devices of the waveguide type for linking lines or devices of different kinds for coupling balanced with unbalanced lines or devices

99.

GLOBAL EYE

      
Serial Number 97310572
Status Registered
Filing Date 2022-03-14
Registration Date 2023-10-31
Owner Saab AB (Sweden)
NICE Classes  ? 09 - Scientific and electric apparatus and instruments

Goods & Services

Airborne surveillance and mission system comprising electronic passive and active sensors for sensing motion and proximity for use in military and civilian applications; communication and command and control systems comprising electronic passive and active imaging and acoustic sensors for use in military and civilian applications; scientific, surveying, monitoring, identification, signaling, checking, radar and microwave systems, sensors and apparatus, namely, radar apparatus and detectors; identification systems comprising antennas for friend or foe identification, transponders and antennas for maritime vessel automatic identification; electro optics equipment, namely, optical sensors, lenses, readers and scanners; electromagnetic spectrum measurement systems comprising receivers for electronic signals, antennas and computer hardware and downloadable software for detection of electromagnetic emitters and radar warning; command, control and computer systems comprising computer hardware and downloadable software featuring control and display tools for operating airborne surveillance workstations; parts and accessories for the aforementioned goods included in this class

100.

A NOTCH ANTENNA STRUCTURE

      
Application Number SE2021050819
Publication Number 2022/045947
Status In Force
Filing Date 2021-08-23
Publication Date 2022-03-03
Owner SAAB AB (Sweden)
Inventor
  • Svensson, Bengt
  • Hammarqvist, Sigrid
  • Tisell, Peter
  • Schloenzig, Erik
  • Hassiakis, Theodor

Abstract

The present disclosure relates to a notch antenna structure (1) comprising a plurality of notch antenna elements (2) arranged in at least a first row (R). Each notch antenna element (2) comprises a base portion (3) having first and second opposing surfaces (4, 5), a first electrically conductive body (6) and an adjacent second electrically conductive body (7), the electrically conductive bodies (6, 7) extending vertically from the first surface (4), forming an integral structure, a tapering gap (8) between the two electrically conductive bodies (6, 7). The notch antenna structure comprises a bottom plane (9) for receiving the second surface (5) of the plurality of notch antenna elements (2) and the first electrically conductive body (6) comprises a leg portion (10) having a feed arrangement proximate to the tapering gap (8), the feed arrangement comprising a feed point (11).

IPC Classes  ?

  • H01Q 21/06 - Arrays of individually energised antenna units similarly polarised and spaced apart
  • H01Q 13/08 - Radiating ends of two-conductor microwave transmission lines, e.g. of coaxial lines, of microstrip lines
  1     2     3     ...     9        Next Page