A method to modify an image from a night vision camera is disclosed. The method comprises receiving at least one image from a night vision camera; modifying the at least one image, based on motion data from a tracker system and a shutter time of night vision camera, to remove smear from the image; and outputting the modified at least one image.
A method to modify an image from a night vision camera is disclosed. The method comprises receiving at least one image from a night vision camera; modifying the at least one image, based on motion data from a tracker system and a shutter time of night vision camera, to remove smear from the image; and outputting the modified at least one image.
FIG. 1 to be published with the application.
A blast attenuation device (100, 1100) for a gun tube (10). The blast attenuation device (100, 1100) has a first wall section (102, 1102) which defines a first chamber (104, 1104), which extends from an inlet end (106, 1106) having an inlet aperture (108, 1108) to an outlet end (110, 1100) having an outlet aperture (112, 1112). The blast attenuation device (100, 1100) also has a second wall section (122, 1122) which defines a second chamber (124, 1124), which extends from an inlet end (126, 1126) having an inlet aperture (128, 1128) to an outlet end (130, 1130) having an outlet aperture (132, 1132).
A respirator comprising: an air supply unit arranged to deliver air at its output. A hood suitable for use with a powered air purifying respirator (PAPR), comprising a headtop with a shoulder cape extending therefrom, wherein the headtop encapsulates a user's head and neck, wherein said headtop comprises a transparent visor, and wherein the headtop comprises a resilient neck seal, said neck seal extending inwardly from the headtop to the user's neck, to create an enclosed volume, such that in use, said user's entire head moves freely therein
A62B 18/08 - Masques ou casques respiratoires, p.ex. pour assurer une protection contre les agents chimiques ou pour l'emploi à hautes altitudes - Parties constitutives des casques ou masques à gaz, p.ex. fenêtres, sangles, transmetteurs de voix, dispositifs de signalisation
A thermal bridge for improving thermal transfer between a fuel element to a fuel block wherein there is provided a high temperature gas cooled nuclear reactor fuel block comprising a fuel channel and a coolant channel wherein the fuel channel comprises a fuel element, the fuel channel further comprising a thermal bridge thermally linking the fuel element and the fuel channel, wherein the thermal bridge comprises a melting point greater than the working temperature of the fuel block, thereby improving thermal transfer from the fuel element to the fuel block, thereby improving thermal transfer to the coolant channel.
G21C 1/07 - Réacteurs à boulets; Réacteurs à combustible granulaire
G21C 1/12 - Réacteurs hétérogènes, c. à d. dans lesquels le combustible et le modérateur sont séparés le modérateur étant hautement pressurisé, p.ex. réacteur à eau bouillante, réacteur à surchauffe intégrale, réacteur à eau pressurisée le modérateur et le réfrigérant étant différents ou séparés le modérateur étant solide, p.ex. réacteur du type Magnox
G21C 3/04 - Eléments combustibles - Détails de structure
G21C 5/02 - Structure du modérateur ou du cœur; Emploi de matériaux spécifiés comme modérateur - Détails
G21C 5/12 - Structure du modérateur ou du cœur; Emploi de matériaux spécifiés comme modérateur caractérisée par la composition, p.ex. le modérateur contenant des substances additionnelles qui assurent une meilleure résistance du modérateur
G21C 7/04 - Commande de la réaction nucléaire par utilisation des propriétés autorégulatrices des matériaux du réacteur de poisons combustibles
G21C 15/08 - Aménagement ou disposition de passages dans lesquels la chaleur est transférée au réfrigérant, p.ex. pour la circulation du réfrigérant à travers les supports des éléments combustibles provenant du matériau modérateur
A method of additive manufacturing an article from a feed material in a chamber includes evacuating at least some of a first gas from the chamber, thereby reducing a pressure therein from a first pressure to a second pressure and reducing the first gas from a first concentration to a second concentration. At least some of the first gas is then gettered from the chamber using a getter, thereby lowering the first gas concentration to a third concentration. The article is then additive manufactured from the feed material in the chamber using the getter as a substrate. The gettering comprises heating the getter at least in part using a fusion source, and the additive manufacturing comprises heating the feed material at least in part using the fusion source.
An undercarriage unit is provided. The undercarriage unit comprises: a rotatable wheel; at least one electromagnet for releasably coupling the undercarriage unit to the aircraft; a switch for selectively activating and deactivating the at least one electromagnet; and a controller arranged to actuate the switch. An aircraft having the undercarriage unit is also provided.
According to some examples, an energy harvesting assembly for a projectile comprises an inlet provided at the tip of a casing of the projectile, multiple outlets provided circumferentially around an outer surface of the casing proximate the tip, and an airflow channel structure extending from the inlet in a generally axial direction through a turbine to the multiple outlets.
F42C 15/295 - Dispositifs d'armement des fusées; Dispositifs de sécurité pour empêcher l'explosion prématurée des fusées ou des charges actionnés par l'écoulement d'un matériau fluent, p.ex. du plomb, un fluide actionnés par une turbine ou une hélice; Moyens de montage pour celles-ci
F42B 12/38 - Projectiles ou mines caractérisés par la charge militaire, l'effet recherché ou le matériau caractérisés par la nature de la charge militaire ou par l'effet recherché pour la signalisation du type traçant
The invention relates to a method for the flow synthesis manufacture of RDX, comprising the steps of preparing input flow reagent A, comprising hexamine dissolved in nitric acid with a concentration less than 92%, preparing input flow reagent B comprising 99% concentration nitric acid, causing the input flow reagents A and B to enter a flow reactor at a flow rate, so as to cause a total nitric acid concentration of greater than 93%, in said flow reactor, cooling the reaction chamber to less than 30° C., causing the output mixed flow to be quenched.
C07D 251/06 - Composés hétérocycliques contenant des cycles triazine-1, 3, 5 non condensés avec d'autres cycles ne comportant pas de liaisons doubles entre chaînons cycliques ou entre chaînons cycliques et chaînons non cycliques avec des hétéro-atomes liés directement aux atomes d'azote du cycle
C06B 25/34 - Compositions contenant un composé organique nitré le composé étant une amine nitrée acyclique, cyclanique ou hétérocyclique
In some example, a method for regulating a trajectory of a projectile comprises adjusting the position of a mass within a cavity defined by a jacket of the projectile, whereby to modify a centre of gravity of the projectile.
An apparatus comprises: a display device including an optically transparent display screen for displaying images to a user; a sensor configured to track a viewing direction and/or a viewing position of the user; a detector configured to determine a location of a target viewable by the user through the display screen; and a controller configured to control the display device to display an image on the display screen at screen coordinates corresponding with the viewable target, using the tracked viewing direction and/or the tracked viewing position of the user and the determined location of the target.
G09G 3/00 - Dispositions ou circuits de commande présentant un intérêt uniquement pour l'affichage utilisant des moyens de visualisation autres que les tubes à rayons cathodiques
G06T 7/70 - Détermination de la position ou de l'orientation des objets ou des caméras
G06F 3/01 - Dispositions d'entrée ou dispositions d'entrée et de sortie combinées pour l'interaction entre l'utilisateur et le calculateur
A laser weapon countermeasure device is described. The laser weapon countermeasure device comprises a sealed capsule having a filler disposed therein. The filler comprises either: a reflective particulate metal; or a precursor for a reflective metal or reflective metal alloy. The capsule is configured to burst in air such that the filler disperses into an aerosol. A countermeasure launcher and a vehicle comprising a countermeasure launcher are also described.
F42B 12/70 - Projectiles ou mines caractérisés par la charge militaire, l'effet recherché ou le matériau caractérisés par la nature de la charge militaire ou par l'effet recherché pour la signalisation pour la libération de corps solides individuels pour la libération de paillettes antiradar ou de matériaux à émission infrarouge
12.
IMPROVEMENTS IN AND RELATING TO VIBRATION CONTROL SYSTEMS
According to the present invention there is provided an active vibration control system comprising: a driving mechanism and a control mechanism comprising an electromagnetic actuator, the driving mechanism being operable to apply a force on a base structure to which the active vibration control system is attachable such that vibrations of the base structure are actively controllable by the application of said force, wherein the driving mechanism and control mechanism are relatively moveable such that the active vibration control system has at least two modes of vibration, and wherein movement of the driving mechanism causes movement of at least a part of the control mechanism.
F16F 7/10 - Amortisseurs de vibrations; Amortisseurs de chocs utilisant un effet d'inertie
F16F 6/00 - Ressorts magnétiques; Ressorts magnétiques à fluide
H02K 33/18 - Moteurs avec un aimant, un induit ou un système de bobines à mouvement alternatif, oscillant ou vibrant avec des systèmes de bobines se déplaçant, du fait de mises sous tension intermittentes ou inversées, par interaction avec un système de champ magnétique fixe, p.ex. des aimants permanents
13.
IMPROVEMENTS IN AND RELATING TO VIBRATION CONTROL SYSTEMS
According to the present invention there is provided an active vibration control system comprising: an electromagnetic actuator; a magnetic element; and a solenoid, the electromagnetic actuator being operable to apply a force on a base structure to which the active vibration control system is attachable such that vibrations of the base structure are actively controllable by the application of said force, wherein the electromagnetic actuator is operable to cause movement of the magnetic element through the solenoid and the solenoid is operable to apply a force on the magnetic element.
There is provided an arming apparatus for a store, the apparatus comprising: a first attachment system and a second attachment system; a linking connector coupled with the first attachment system and the second attachment system; and an arming clip; wherein each of the first attachment system and the second attachment system comprises: a first frangible connector coupled with the arming unit and the linking connector; and a second frangible connector comprising a first end coupled with the linking connector and a second end comprising a clip, the second end being configured to pass through a lug of said store and then couple to the second frangible connector.
According to the present invention there is provided an active vibration control system comprising: an electromagnetic actuator and a control element, the electromagnetic actuator being operable to apply a force on a base structure to which the active vibration control system is attachable such that vibrations of the base structure are actively controllable by the application of said force, wherein the electromagnetic actuator and control element are relatively moveable such that the active vibration control system has at least two modes of vibration, and wherein movement of the electromagnetic actuator causes movement of at least a part of the control element.
F16F 7/10 - Amortisseurs de vibrations; Amortisseurs de chocs utilisant un effet d'inertie
F16F 6/00 - Ressorts magnétiques; Ressorts magnétiques à fluide
H02K 33/18 - Moteurs avec un aimant, un induit ou un système de bobines à mouvement alternatif, oscillant ou vibrant avec des systèmes de bobines se déplaçant, du fait de mises sous tension intermittentes ou inversées, par interaction avec un système de champ magnétique fixe, p.ex. des aimants permanents
There is provided an arming apparatus for a store, the apparatus comprising: a first attachment system and a second attachment system; a linking connector coupled with the first attachment system and the second attachment system; and an arming clip; wherein each of the first attachment system and the second attachment system comprises: a first frangible connector coupled with the arming unit and the linking connector; and a second frangible connector coupled with the linking connector and the store. The linking connector is coupled to the first attachment system via a first coupling arrangement and is coupled to the second attachment system via a second coupling arrangement, wherein the first coupling arrangement and the second coupling arrangement are different. Each of the first coupling arrangement and the second coupling arrangement are manually secure.
F42C 15/40 - Dispositifs d'armement des fusées; Dispositifs de sécurité pour empêcher l'explosion prématurée des fusées ou des charges dans lesquels l'action de sécurité ou d'armement s'effectue électriquement
F42C 15/44 - Dispositions pour désarmer des fusées ou pour les rendre inoffensives après l'armement, p.ex. après le lancement
B64D 1/06 - Mécanismes de largage des bombes; Trappes de la soute à bombes
A method to autonomously taxi an aircraft is disclosed. The method comprises receiving, by a processing means, a route intended for the aircraft 310. Obtaining, by the processing means, a route line based on the route 320. Determining, by the processing means, at least one route feature along the route line 330. Determining, by the processing means, a deviation of a nosewheel of the aircraft from the route line based on a current position of the aircraft provided by the aircraft global navigation satellite system (GNSS) 340. Outputting, by the processing means, an adjustment of an angle of the nosewheel to correct the deviation from the route based on the deviation of the nosewheel 350. Outputting, by the processing means, an adjustment of the speed of the aircraft based on a current position on the route line and a proximity to the at least one determined route feature 360.
There is provided a heat exchanger comprising: a housing comprising: an inlet at a proximal end for receiving a first fluid; and an outlet, downstream of the inlet at the distal end of the housing, through which the fluid is configured to exit the housing; and a plurality of heat exchanger cores within the housing, wherein the plurality of heat exchanger cores meet at a junction and diverge from each other towards one of the inlet or the outlet of the housing; wherein the plurality of heat exchanger cores comprises a plate fin arrangement; and, wherein the plurality of heat exchanger cores comprise one or more first flow paths through which the first fluid can pass through the heat exchanger cores, in use.
F28D 9/00 - Appareils échangeurs de chaleur comportant des ensembles de canalisations fixes en forme de plaques ou de laminés pour les deux sources de potentiel calorifique, ces sources étant en contact chacune avec un côté de la paroi d'une canalisation
A rotor unit assembly (10) having a rotor unit (90). The rotor unit (90) comprises a chamber (104) and a rotor (200) located within the chamber (104). The rotor (200) has a piston (214) which extends radially outward from the main body (202) of the rotor (200); and a valve flange (240) with an aperture (242). The rotor unit further comprises a rotatable hub (300), with a cavity (314) configured to receive the piston (214). The rotor unit (90) further comprises a first low pressure port (130) provided in the path described the piston (214); a first high pressure port (120) positioned in the path described the valve flange aperture (242) around the clearance volume (210); and a second high pressure port (122) positioned in the path described by the cavity (314) around the hub axis (306).
F01C 1/12 - "Machines" ou machines motrices à piston rotatif d'un type à engrènement extérieur, c. à d. avec engrènement des organes coopérants semblable à celui d'engrenages dentés d'un autre type qu'à axe interne
F01C 21/18 - Dispositions pour l'admission ou l'échappement du fluide de travail, p.ex. caractéristiques de structure de l'admission ou de l'échappement
The invention relates to an anti-corrosion and anti-fouling composition, particularly to a protective composition for a marine body, wherein in said composition comprises a copper alloy of the form Cu(M*), wherein M* is at least one metal which is more electronegative than copper, wherein said composition comprises ceramic filler particles in the range of from 0.1 to 20 wt %.
In some examples, a method for determining a communication structure to communicatively link a set of delivery unmanned aerial vehicles, UAVs, with a base unit, the communication structure defined by a minimum number of communication UAVs positioned relative to a set of delivery routes of the delivery UAVs at multiple transitory static positions, wherein a communication UAV at a transitory static position supports a communication region, comprises determining a subset of delivery UAVs outside of a communication region of a first communication UAV at a first transitory static position, the subset of delivery UAVs representing a number of unsupported delivery UAVs that are not communicatively linked, via the first communication UAV, to the base unit supplementing the number of communication UAVs with a second communication UAV, and selecting a second transitory static position for the second communication UAV, the second transitory static position minimising a metric representing a number of unsupported delivery UAVs.
According to the present disclosure there is provided a transmitter unit for providing power and data to an unmanned aerial vehicle (UAV), the transmitter unit comprising: a free-space optical transmitter configured to generate and transmit a combined free-space optical beam comprising a power beam and a data beam; and a controller for controlling generation and transmission of the combined free-space optical beam by the free-space optical transmitter. Also disclosed is a receiver unit mountable on an unmanned aerial vehicle (UAV) for receiving power and data at the UAV, the receiver unit comprising an optical receiver configured to receive at least a portion of a combined free space optical beam comprising a power beam and a data beam, the receiver unit configured to convert the received power beam portion into local electrical power and convert the received data beam portion into one or more data signals.
H04B 10/80 - Aspects optiques concernant l’utilisation de la transmission optique pour des applications spécifiques non prévues dans les groupes , p.ex. alimentation par faisceau optique ou transmission optique dans l’eau
H04B 10/112 - Transmission dans la ligne de visée sur une distance étendue
Systems and methods for determining a head pose of a user are described. Images captured by a head-mounted camera worn by the user are received, the images comprising captured markers, wherein each captured marker is one of a plurality of markers on a surface that are in the FOV of the head-mounted camera. Stored markers having a predetermined orientation and corresponding to each captured marker are identified from a database, the stored markers comprising coordinates for its corresponding surface marker. An orientation of the captured marker relative to its corresponding stored marker is calculated and the stored marker is obtained. Based on the stored marker and the orientation, an absolute pose of each marker is determined. Based on the absolute pose of each marker, the head pose of the user relative to the surface is calculated.
G06F 3/01 - Dispositions d'entrée ou dispositions d'entrée et de sortie combinées pour l'interaction entre l'utilisateur et le calculateur
G06T 7/73 - Détermination de la position ou de l'orientation des objets ou des caméras utilisant des procédés basés sur les caractéristiques
G06V 10/22 - Prétraitement de l’image par la sélection d’une région spécifique contenant ou référençant une forme; Localisation ou traitement de régions spécifiques visant à guider la détection ou la reconnaissance
G06V 10/24 - Alignement, centrage, détection de l’orientation ou correction de l’image
G06V 10/75 - Appariement de motifs d’image ou de vidéo; Mesures de proximité dans les espaces de caractéristiques utilisant l’analyse de contexte; Sélection des dictionnaires
There is disclosed a rotorcraft comprising: an array of lift devices; a pilot housing; connecting lines attaching the pilot housing to the array of lift devices; and an actuator interface at the pilot housing such that the pilot can 5 steer the rotorcraft.
A network, or part thereof for example a link, 1 is described. The network 1 is for data communication through a medium, preferably wherein the medium comprises and/or is, at least in part, a liquid medium LM. The network 1 comprises a set of transmitters 11, including a first transmitter 11A comprising a controller 110A, wherein the first transmitter 11A is configured to transmit a set of polarised optical signals S, including a first polarised optical signal S1 comprising first data D1 of set of data D. The network 1 comprises a set of receivers 12, including a first receiver 12A comprising a controller 120A, wherein the first receiver 12A is configured to receive the first polarised optical signal S1.
H04B 10/80 - Aspects optiques concernant l’utilisation de la transmission optique pour des applications spécifiques non prévues dans les groupes , p.ex. alimentation par faisceau optique ou transmission optique dans l’eau
A method of fabricating, at least in part, an article from a precursor thereof, the method comprising: providing the precursor, wherein the precursor comprises a metal having a closed pore therein; and hot isostatic pressing, HIPing, the precursor at an Nth temperature of a set of temperatures, at an Nth pressure of a set of pressures and for an Nth duration of a set of durations, thereby fabricating, at least in part, the article; wherein HIPing the precursor comprises regulating the set of temperatures, the set of pressures and/or the set of durations to control, at least in part, a morphology of the closed pore.
There is provided a method for determining an intended orientation and/or position of a user's head when the orientation of the user's head is being changed involuntarily by vibratory or buffeting forces transmitted through the user's body from a point of contact of the user's body with said forces. The method comprising: determining a force variable at the point of contact due to said forces; predicting, using an adaptive filter comprising a first input, a first output, a filter coefficient input, and at least one filter coefficient, an involuntary component of orientation of the user's head at a predetermined time due to the sensed variable, wherein the first output is equal to the involuntary component of orientation and the first input comprises the force variable; determining, using at least one tracking system, an orientation variable of the user's head at the predetermined time; subtracting a first value from a second value, the first value equal to the first output and the second value equal to the orientation variable, to provide a third value equal to the filter coefficient input; and updating the at least one filter coefficient based on the filter coefficient input.
There is provided a method for determining an intended orientation and/or position of a user's head when the orientation of the user's head is being changed involuntarily by vibratory or buffeting forces transmitted through the user's body from a point of contact of the user's body with said forces. The method comprising: determining a force variable at the point of contact due to said forces; predicting, using an adaptive filter comprising a first input, a first output, a filter coefficient input, and at least one filter coefficient, an involuntary component of orientation of the user's head at a predetermined time due to the sensed variable, wherein the first output is equal to the involuntary component of orientation and the first input comprises the force variable; determining, using at least one tracking system, an orientation variable of the user's head at the predetermined time; subtracting a first value from a second value, the first value equal to the first output and the second value equal to the orientation variable, to provide a third value equal to the filter coefficient input; and updating the at least one filter coefficient based on the filter coefficient input.
FIG. 2 to be published with the application.
The present invention relates to an improved thermal management system for a heat source, such as a high-powered electronic device. Thermal management systems work to maintain the optimal operational temperature of a device to maximise reliability, operational lifespan and/or efficiency, for example by using a fluid coolant to transfer thermal energy from the device to a heat exchanger. The present invention seeks to provide an improved thermal management system by incorporating a phase change material into a heat exchanger.
A respirator comprising: an air supply unit arranged to deliver air at its output;
headgear comprising a cradle for interfacing with a user’s head, and a face covering from within which the user breathes;
a tube to receive air from the air supply unit; and
a vibration decoupler, provided between the air supply unit and the head gear interface component, such that in use vibrations from the air supply and tube are reduced.
A respirator comprising: an air supply unit arranged to deliver air at its output;
headgear comprising a cradle for interfacing with a user's head, and a face covering from within which the user breathes;
a tube to receive air from the air supply unit; and
an interface component to receive air from the tube and to deliver said air within the face covering, wherein the interface component provides a frame for supporting the face covering, and comprises an overhead branch and a forehead branch, wherein the overhead branch comprises one or more bleed holes, such that in use vibrations from the air supply and tube are reduced. Components of the respirator and related methods are also described.
A62B 18/00 - Masques ou casques respiratoires, p.ex. pour assurer une protection contre les agents chimiques ou pour l'emploi à hautes altitudes
A62B 18/08 - Masques ou casques respiratoires, p.ex. pour assurer une protection contre les agents chimiques ou pour l'emploi à hautes altitudes - Parties constitutives des casques ou masques à gaz, p.ex. fenêtres, sangles, transmetteurs de voix, dispositifs de signalisation
An apparatus for controlling an unmanned vehicle is described. The apparatus comprises: a receiver for receiving a first vehicle control signal from a remote controller; a memory for storing a route for the vehicle to follow; and a processor. The processor is configured to: determine characteristics of the first vehicle control signal; and generate a second vehicle control signal, wherein the second vehicle control signal comprises an instruction for the vehicle to perform a manoeuvre to follow the route. The apparatus further comprises a transmitter configured to transmit the second vehicle control signal, arranged to have the determined characteristics, to the vehicle. A system and method for controlling an unmanned vehicle are also described.
G05D 1/00 - Commande de la position, du cap, de l'altitude ou de l'attitude des véhicules terrestres, aquatiques, aériens ou spatiaux, p.ex. pilote automatique
G05D 1/10 - Commande de la position ou du cap dans les trois dimensions simultanément
According to the present disclosure there is provided a liquid flow influencing duct arrangement comprising: a first duct section arranged to receive a liquid flow therethrough, the first duct section defining a first direction through the first duct section from a liquid inlet end to a liquid outlet end; a second duct section defining a second direction through the second duct section from a liquid inlet end to a liquid outlet end, the second duct section comprising a vortex generator surface, wherein the vortex generator surface is arranged to induce vortices in the liquid flow through the first duct section, wherein the duct arrangement further comprises a rotor housed in one of the duct sections.
A controller for an unmanned vehicle is described. The controller comprises: a receiver for receiving a deconflicted route from a deconfliction engine, the deconflicted route comprising at least one waypoint; a first communications interface for enabling electrical communication between the controller and a corresponding communications interface on an unmanned vehicle; and a processor. The processor is configured to: receive the current position of the unmanned vehicle; generate a vehicle control signal for instructing the unmanned vehicle to perform a manoeuvre which moves the unmanned vehicle from its current position to the at least one waypoint; and transmit the vehicle control signal to the unmanned vehicle through the first communications interface. An unmanned vehicle, a system and method of controlling an unmanned vehicle are also described.
The present invention relates to a method of marking and identifying a target, and in particular, a method of using a Directed Energy Weapon (DEW) to heat a target without damaging it so that the target may be clearly identified by detectors and systems using thermally sensitive imaging.
In some examples, a biasing structure for a unit cell of a meta-surface comprises a first illumination source to irradiate a first photovoltaic element, the first photovoltaic element so configured as to generate a biasing current to bias an active asymmetrically conducting device bridging a pair of electrically separated conductive patches defining a surface of the unit cell.
H01Q 3/26 - Dispositifs pour changer ou faire varier l'orientation ou la forme du diagramme de directivité des ondes rayonnées par une antenne ou un système d'antenne faisant varier la distribution de l’énergie à travers une ouverture rayonnante
H01Q 3/46 - Lentilles actives ou réseaux réfléchissants
H01Q 15/00 - Dispositifs pour la réflexion, la réfraction, la diffraction ou la polarisation des ondes rayonnées par une antenne, p.ex. dispositifs quasi optiques
H01Q 21/06 - Réseaux d'unités d'antennes, de même polarisation, excitées individuellement et espacées entre elles
36.
AN ARRANGEMENT FOR INFLUENCING LIQUID FLOW AND A METHOD
According to the present disclosure there is provided an arrangement for influencing liquid flow, the arrangement comprising: a first section selectively configurable to provide a vortex generator surface to induce vortices in the liquid flow. The arrangement further comprises a second section, wherein the first section and second section are movable relative to one another to provide the vortex generator surface.
B63H 5/16 - Aménagements à bord des navires des éléments propulsifs agissant directement sur l'eau des hélices avec des éléments fixes de guidage des filets d'eau; Moyens pour empêcher l'encrassement de l'hélice, p.ex. protections, grillages ou écrans
B64C 23/06 - Moyens permettant d'influencer l'écoulement d'air sur les surfaces des aéronefs, non prévus ailleurs par génération de tourbillons
In some examples, a non-incendiary tracer projectile structure for housing an electrically powered illumination source comprises a jacket comprising a generally pointed forward end and a generally blunt rearward end defining a rear opening, an internal retaining structure disposed towards the rearward end of the jacket to support a protective window that is transparent to a selected electromagnetic wavelength, wherein a portion of the rearward end of the jacket tapers in a radially inward direction whereby to define a circumferential narrowing of the rear opening so configured as to mechanically protect the internal retaining structure.
F42B 12/38 - Projectiles ou mines caractérisés par la charge militaire, l'effet recherché ou le matériau caractérisés par la nature de la charge militaire ou par l'effet recherché pour la signalisation du type traçant
There is provided an ammunition belt link comprising, a sprung wire, said sprung wire arranged to form a first receiving portion suitable for retaining a first ammunition cartridge, a second receiving portion suitable for retaining a second ammunition cartridge, a spacer between said first receiving and second receiving portions; and an ammunition cartridge locator aide, said aide locates in an ejector groove of a received cartridge.
According to the present disclosure there is provided an arrangement for influencing fluid flow, the arrangement comprising: a first section selectively configurable to provide a vortex generator surface, the vortex generator surface comprising a series of laterally aligned projections, to induce vortices in the liquid flow.
B64C 23/06 - Moyens permettant d'influencer l'écoulement d'air sur les surfaces des aéronefs, non prévus ailleurs par génération de tourbillons
B64C 21/02 - Moyens permettant d'influencer l'écoulement d'air sur les surfaces des aéronefs en agissant sur la couche limite par utilisation de fentes, de conduits, de surfaces poreuses ou de dispositifs similaires
B63H 1/18 - Hélices avec moyens pour diminuer la cavitation, p.ex. hélices supercavitantes
A method of estimating a property of an article manufactured, at least in part, by additive manufacturing, AM, preferably directed energy deposition, DED, and/or powder bed fusion, PBF, is described. The method implemented, at least in part, by a computer comprising a processor and a memory. The method comprises: obtaining a set of in-process parameters of the AM of the article, wherein respective parameters of the set thereof have positional information associated therewith; inferring a set of attributes of the article corresponding to the set of in-process parameters, wherein respective attributes of the set thereof have the positional information associated therewith; and estimating the property of the article based, at least in part, on the inferred set of attributes.
According to the present invention, there is provided an ammunition belt link comprising, a sprung wire, said sprung wire arranged to form a first receiving portion suitable for retaining a first ammunition cartridge, a second receiving portion suitable for retaining a second ammunition cartridge, a spacer between said first receiving and second receiving portions, an ammunition cartridge locator aide, said locator aid locates in an ejector groove of a received cartridge and, the wire ammunition belt link further comprising a support surface suitable for retaining the first and/or second ammunition cartridge.
A method of manufacturing a pressure vessel (10) comprising the steps of dividing a wall (104) of a section (100) of the pressure vessel (10) into a first segment (120) and a second segment (150), separating the first segment (120) from the second segment (150), fitting apparatus (400) onto the first segment (120), and then re-attaching the first segment (120) and the second segment (150).
A corrosion sensor is described. The corrosion sensor comprises a substrate 10 and a patterned conductive layer provided on the substrate 10, wherein the conductive layer defines: a common terminal; a set of terminals, including a first terminal and a second terminal; and a set of sensing elements, including a first sensing element and a second sensing element; wherein respective sensing elements of the set thereof are electrically coupled to the common terminal and to respective terminals of the set thereof, such that the respective terminals of the set thereof are specific to the respective sensing elements of the set thereof.
G01N 27/04 - Recherche ou analyse des matériaux par l'emploi de moyens électriques, électrochimiques ou magnétiques en recherchant l'impédance en recherchant la résistance
An alignment jig (10) configured to support and orient a load (500). The alignment jig (10) may form part of an alignment system (300). The alignment jig (10) comprises a first base unit (100) configured to carry a first support unit (200), the first support unit (200) being configured to support the load (500) and to space the first base unit (100) apart from the load (500). The first support unit (200) is moveable relative to the first base unit (100). The first base unit (100) comprises a first base unit actuation system (110) operable to act on the first support unit (200) along a first base unit operational axis X1. The first support unit (200) comprises a first support unit actuation system (210) operable to act on the load (500) along a first support unit operational axis Y1.
B66F 7/10 - Châssis de levage, p.ex. pour lever des véhicules; Ascenseurs à tablier à tabliers supportés directement par des crics
B66F 7/28 - Châssis de levage, p.ex. pour lever des véhicules; Ascenseurs à tablier - Détails de structure, p.ex. butées d'arrêt, organes de support pivotants, curseurs coulissants réglables aux dimensions de la charge
B63B 73/60 - Construction ou assemblage de navires ou de structures marines, p.ex. coques ou plateformes en pleine mer caractérisés par l’automatisation, p.ex. l’utilisation de robots
An unmanned vehicle (20) for relaying radio frequency signals in a tactical communications network is described. The unmanned vehicle comprises a processor (22) arranged to receive the location of a first asset (40a); select a relay site (30) from at least one relay site; and control the unmanned vehicle to move to the selected relay site, wherein at the selected relay site, communication between the first asset and the unmanned vehicle is enabled. The unmanned vehicle also comprises a receiver for receiving data from the first asset; and a transmitter for transmitting the data to a second asset (40b, 20, 10). A control unit (60) for an unmanned vehicle, a tactical communications network comprising a plurality of unmanned vehicles, and a method of relaying signals in a tactical communications network using an unmanned vehicle are all also described.
H04B 7/26 - Systèmes de transmission radio, c. à d. utilisant un champ de rayonnement pour communication entre plusieurs postes dont au moins un est mobile
A wheel arm (114) for a chassis (140) of a towed howitzer system (100). The wheel arm (114) comprises a chassis coupling feature (116) centred on a wheel arm pivoting axis (160), and a wheel coupling feature (118) centred on a wheel rotation axis (162). The chassis coupling feature (116) is spaced apart from the wheel coupling feature (118). The wheel arm (114) comprises a lever engagement feature (122). The lever engagement feature (122), the wheel coupling feature (118) and the chassis coupling feature (116) are provided in series along the length of the wheel arm (114).
There is provided a projectile, a system and a related method of operation of a projectile comprising: a front ogive section; an aft section; and a control module; wherein the front ogive section is rotatably connected to the aft section by a coupling device, the front ogive section further comprising an asymmetric surface such that the asymmetric surface exerts an imbalance upon the projectile, where in use, the angular rotation of the front ogive section can be selectively adjusted relative to the aft section by commands from the control module to the coupling device influencing a helical trajectory of the projectile in flight thereby causing a change in direction thereby steering the projectile towards a target.
There is described a reconfigurable array for facilitating dynamic combination and distribution of RF signals. The reconfigurable array comprises: (a) a number, Ni, of input devices for generating or supplying RF input signals; (b) a number, No, of output devices for analysing or forwarding RF output signals; (c) an optical switch matrix comprising a number, Np, of ports, wherein each of the ports is an optical input or an optical output, wherein each input device is coupled to a respective port of the optical switch matrix at an optical input, wherein each output device is coupled to a respective port of the optical switch matrix at an optical output, and wherein the optical switch matrix is configurable to enable optical connection of any optical input to any optical output; and (d) a plurality of multi-port devices that each have multiple uncommon ports which couple to a single common port, wherein each port of each multi-port device is coupled to a respective port of the optical switch matrix, and wherein each multi-port device enables either fan-in of optical signals from the uncommon ports to the common port or fan-out of optical signals from the common port to the uncommon ports depending on the configuration of the reconfigurable array. The plurality of multi-port devices include at least one M:1 multi-port device, where M is a predetermined maximum number of RF signals for the reconfigurable array to fan-in or fan-out, where M≤Ni and M≤No.
A optical apparatus to display an image to a user is disclosed. The apparatus comprises an image source to generate an image bearing light beam having a first numerical aperture; and a diffuser screen. The diffuser screen is configured to increase the numerical aperture of the image bearing light beam to a second numerical aperture. The diffuser screen comprises a first part comprising: a first face and second face substantially parallel to each other, a first array of a plurality of waveguides forming an optical path between the first face and the second face. A value of an optical property of each of the plurality of waveguides is selected randomly from a set of values of the optical property. The first array of a plurality of waveguides is arranged such that each of the plurality of waveguides has an optical axis that is substantially parallel to it's nearest neighbour. Substantially all the waveguides of the first array are sized below a size that would allow a single mode of visible light to propagate along each waveguide
A control system for assisting a pilot to control an aircraft operating under control of an active inceptor, the control system comprising: a receiver for receiving pilot-inputs on an active inceptor; an instruction generator to generate an instruction, the instruction based on an external signal associated with the geographical location of the aircraft; a tactile cue generator to generates a tactile cue which causes the active inceptor to move from a nominal position to a first offset position within a predetermined time period in response to the instruction.
B64C 13/10 - Dispositifs amorçant la mise en œuvre actionnés par l'homme comprenant des dispositifs avertisseurs
B64C 13/04 - Dispositifs amorçant la mise en œuvre actionnés par l'homme
G05G 5/03 - Moyens pour attirer l'attention de l'opérateur sur l'arrivée de l'organe de commande dans une position de commande ou de repère; Création d'une sensation, p.ex. moyens pour générer une force antagoniste
G05G 9/047 - Mécanismes de commande manuelle équipés d'un seul organe de commande travaillant avec plusieurs organes commandés, p.ex. en sélection ou simultanément l'organe de commande étant manœuvré de différentes manières indépendantes, chacune de ces manœuvres individuelles entraînant un seul organe commandé dans lesquels la manœuvre de l'organe de commande peut être effectuée de plusieurs manières simultanément l'organe de commande étant manœuvré à la main autour d'axes orthogonaux, p.ex. manches à balai
The present disclosure provides a system for intercepting a rogue drone, the system comprising: a broad-angle electromagnetic radiation emitter for illuminating a cone of sky with coded electromagnetic radiation; and an air vehicle. The air vehicle comprises: an electromagnetic radiation detector for receiving coded electromagnetic radiation reflected from a rogue drone operating in the cone of sky, the detector comprising a notch filter for selecting the coded electromagnetic radiation and for disregarding light from other sources; and a controller for determining the position of the rogue drone based on the received coded electromagnetic radiation. The present invention also provides an air vehicle for intercepting a rogue drone and a method of intercepting a rogue drone.
G01S 17/66 - Systèmes de poursuite utilisant d'autres ondes électromagnétiques que les ondes radio
B64U 20/83 - Composants électroniques structurellement intégrés à des éléments de l’aéronef, p. ex. circuits imprimés portant des charges
G01S 7/481 - Caractéristiques de structure, p.ex. agencements d'éléments optiques
G01S 17/10 - Systèmes déterminant les données relatives à la position d'une cible pour mesurer la distance uniquement utilisant la transmission d'ondes à modulation d'impulsion interrompues
G01S 7/487 - Extraction des signaux d'écho désirés
B64U 20/87 - Montage des dispositifs d’imagerie, p. ex. montage des suspensions à cardan
There is disclosed a rotorcraft comprising: an array of lift devices supported at a structure; a first group of the lift devices configured to generate thrust in a first common direction; a second group of the lift devices being tilted or tiltable relative to the first group of devices so as to generate thrust in at least a second common direction; and a flight control system.
B64C 27/52 - Basculement de l'ensemble du rotor par rapport au fuselage
B64C 27/82 - Giravions; Rotors propres aux giravions caractérisés par l'existence d'un rotor auxiliaire ou d'un dispositif à jet fluide pour contrebalancer le couple du rotor de sustentation ou faire varier la direction du giravion
B64C 31/036 - Aéronefs du type pendulaire; Aéronefs du type ultra-léger avec des ailes du type parachute
B64C 39/02 - Aéronefs non prévus ailleurs caractérisés par un emploi spécial
A router node comprises a link discovery module, a security module, a secure access module and storage. The link discovery module discovers a link to an adjacent router node and receives its first loopback address. The link discovery module creates a first tunnel between the security module in the router node and the first loopback address. The security module receives a second loopback address for the second router node, and creates a second tunnel. The security module repeats the discovering, receiving and creating steps for each router node adjacent to the first router node. The storage separately stores a link discovery routing table which comprises information relating to the links between the router node and each adjacent router note; a security routing table which stores the unique first loopback address; and a secure access routing table which stores the unique second loopback address.
Specimens for evaluating corrosion protection of substrates due, at least in part, to coatings applied thereupon are described. A specimen (1) comprises: a first coating (10), comprising a first set of layers (11) including a first layer (11A), on a first substrate (12); and a first set of perforations (100), including a first perforation (100A) and a second perforation (100B), in the first coating (10), wherein the first perforation (100A) has a first depth D1 through the first coating (10) and a first dimension W1 transverse to the first depth, wherein the second perforation (100B) has a second depth D2 through the first coating (10) and a second dimension transverse to the second depth D2 and wherein the first dimension W1 and the second dimension W2 are different.
An on-die computer apparatus (100) comprises a plurality of cores (106) and a plurality of RAM modules (100). Sets of physical memory addresses in the RAM modules are allocated for use by virtual machines executing on the cores. A plurality of data transfer channels (112) are associated the RAM modules. The apparatus further comprises a channel controller (120) for controlling data transfer over the data transfer channels. The channel controller stores security information indicating which of the VMs is designated as secure, and channel information indicating which of the data transfer channels is assigned for use by each of the VMs for accessing its allocated physical memory addresses. The channel controller directs read/write requests from a VM over the data transfer channel assigned to the VM based on the security information and the channel information.
G06F 9/455 - Dispositions pour exécuter des programmes spécifiques Émulation; Interprétation; Simulation de logiciel, p.ex. virtualisation ou émulation des moteurs d’exécution d’applications ou de systèmes d’exploitation
A video processing system (100) comprises at least one controller (102) configured to receive a plurality of video data from a respective plurality of video data sources (106, 208). The system can assign one of a plurality of hierarchical display layers to each of the plurality of video data, and generate an output video for display, the output video comprising at least a portion of each of the plurality of video data layered according to the assigned hierarchical display layers. The plurality of hierarchical display layers is based on a respective plurality of safety/security levels defined in a safety/security standard.
A door assembly for a payload bay (10) having an opening (12), the door assembly comprising at least one door (20, 220). The at least one door comprises: a panel section (22, 222) having a first end (24, 224) and a second end (26, 226); and a first mounting member (30, 230) arranged orthogonally to the panel section at the first end and having a first engagement feature (31, 231) having a rotational axis (18, 218) about which the panel section is arranged to rotate. The engagement feature is arranged to engage with a first fixing member (16, 216) on one side of the payload bay to rotatably couple the panel section to the payload bay. The at least one door is arranged to translate between a closed configuration, in which the panel section is arranged in the same plane as the opening, and an open configuration, in which the panel section is arranged at at least 90 degrees to the plane of the opening, by rotating about the rotational axis. The panel section is arranged parallel to and offset from the rotational axis, such that an inner surface of the panel section faces the rotational axis.
The present disclosure provides an aircraft comprising: a fuselage; and a payload module coupled to the fuselage, the payload module comprising one or more data storage devices. The payload module is configured to be decoupled from the fuselage during flight upon receipt of a de-coupling input.
A thermodynamic apparatus (10) comprising a compressor module (100), a turbine module (200), and a regenerative heat exchanger (300) centred on a central axis (12). The compressor module (100), turbine module (200) and regenerative heat exchanger (300) are arranged in series along the central axis (12) such that the regenerative heat exchanger (300) is provided between the compressor module (100) and the turbine module (200).
A method of thermomechanically forming, for example forging, rolling, extruding or drawing, an article from a precursor thereof, is described. The method comprises: providing the precursor, for example an ingot, a forging stock, a forging, a bar, a billet or a plate, comprising, substantially comprising, essentially comprising and/or consisting of an α+β Ti alloy having a beta transus temperature βtransus, wherein the precursor defines a set of portions including a first portion; and thermomechanically forming the article from the precursor by heating the first portion and deforming the heated first portion by a total true strain ε1, total, wherein the total true strain ε1, total is greater than a predetermined threshold true strain εthreshold; wherein thermomechanically forming the article from the precursor comprises i iterations of: (a) heating the first portion to a temperature Ti during a time ti wherein the temperature Ti is at most the beta transus temperature βtransus; (b) deforming the heated first portion by a true strain ε1,i, wherein the true strain ε1,i is at most the predetermined threshold true strain εthreshold and (c) repeating steps (a) and (b) until the cumulative true strain ε1,cumulative=Σiε1,ieu is the total true strain ε1, total wherein i is a natural number greater than or equal to 2.
A muzzle brake (20) for a gun tube (12) defining a bore (40) centred on a longitudinal axis (32). The muzzle brake (20) comprises a top plate (24) and a bottom plate (26). A first wall section (100), a second wall section (200) and a third wall section (300) extend from the top plate (24) to the bottom plate (26).The second wall section (200) extends from the first wall section (100) to a first baffle (220). The third wall section (300) extends from the second wall section (200) to a second baffle (320). The second wall section (200), top plate (24) and bottom plate (26) converge towards the longitudinal axis (32) and the first baffle (220), such that the second wall section (200), top plate (24), bottom plate (26) and first baffle (220) define a first compression cone (224). The third wall section (300), top plate (24) and bottom plate (26) converge towards the longitudinal axis (32) and the second baffle (320) such that the third wall section (300), top plate (24), bottom plate (26) and second baffle (320) defines a second compression cone (324).
This invention relates to a improvements relating to munitions, specifically to coating small arms ammunition with decoppering agents, as a replacement in lead free ammunition. There is a method of manufacturing a coated metallic projectile for a rifled barrel, comprising; providing a metallic projectile cup with a coating of a decoppering agent located thereon, to provide a coated metallic projectile cup; causing the coated metallic projectile cup to be drawn through a plurality of dies to form a drawn coated metallic projectile.
Provided is a method and system for measuring a radar cross section of an object (102). The method comprises: transmitting one or more radar pulses (402) to the object (102), each of the one or more pulses (402) having a predetermined pulse profile; for each of the one or more pulses (402), measuring a pulse return, the pulse return being the radar pulse (402) reflected by the object (102); deconvolving the measured one or more pulse returns using the predetermined pulse profile; and determining the radar cross section of the object (102) using the deconvolved one or more pulse returns.
G01S 7/41 - DÉTERMINATION DE LA DIRECTION PAR RADIO; RADIO-NAVIGATION; DÉTERMINATION DE LA DISTANCE OU DE LA VITESSE EN UTILISANT DES ONDES RADIO; LOCALISATION OU DÉTECTION DE LA PRÉSENCE EN UTILISANT LA RÉFLEXION OU LA RERADIATION D'ONDES RADIO; DISPOSITIONS ANALOGUES UTILISANT D'AUTRES ONDES - Détails des systèmes correspondant aux groupes , , de systèmes selon le groupe utilisant l'analyse du signal d'écho pour la caractérisation de la cible; Signature de cible; Surface équivalente de cible
There is provided a laser controller comprising: an electromagnetic radiation source operable to transmit radiation into the environment; a backscatter detector operable to detect backscattered radiation from the environment; and a processor operable to generate a laser control signal based on characteristics of the detected backscattered radiation.
Provided is a thermal management apparatus for use with a vehicle, the apparatus comprising a plurality of phase change heat exchange units thermally coupled with a vehicle system that requires thermal management, the plurality of phase change heat exchange units operable to remove heat from the vehicle system.
H01M 10/613 - Refroidissement ou maintien du froid
F25D 16/00 - Dispositifs utilisant une combinaison d'un procédé de refroidissement associé à des machines frigorifiques avec un procédé de refroidissement non associé à des machines frigorifiques
F25B 5/02 - Machines, installations ou systèmes à compression, avec plusieurs circuits d'évaporateurs, p.ex. pour faire varier la puissance frigorifique disposés en parallèle
F41H 13/00 - Moyens d'attaque ou de défense non prévus ailleurs
H01L 23/427 - Refroidissement par changement d'état, p.ex. caloducs
H01M 10/659 - Moyens de commande de la température associés de façon structurelle avec les éléments par stockage de la chaleur ou chaleur tampon, p.ex. capacité calorifique, changements ou transitions de phase liquide-solide
An airframe or a part thereof 3, for example a skin assembly or a profile such as a structural profile, comprises: a wall W having an aperture A therethrough, wherein the wall W provides a frame F surrounding, at least in part, the aperture A; a panel P conforming with the aperture A; and wherein the airframe or the part 3 thereof is configurable in: a first configuration, wherein the panel P and the frame F are mutually spaced apart; and a second configuration, wherein the panel P is received in the frame F and wherein the frame F resists movement of the panel P in two or three mutually orthogonal directions.
B64C 1/14 - Fenêtres; Portes; Trappes d'évacuation ou panneaux de visite; Structures de cadres environnants; Verrières; Pare-brise
B29C 70/54 - Façonnage de matières composites, c. à d. de matières plastiques comprenant des renforcements, des matières de remplissage ou des parties préformées, p.ex. des inserts comprenant uniquement des renforcements, p.ex. matières plastiques auto-renforçantes opération de façonnage des matières composites comprenant uniquement des renforcements - Parties constitutives, détails ou accessoires; Opérations auxiliaires
An airframe 1 or part thereof comprises a set of modular cells 10, including a first cell 10A comprising a set of profiles 100 including: a first structural profile 100A, having a first length L1 and enclosing a first volume V1 providing a first passageway P1; and a second profile 100B, having a second length L2 and enclosing a second volume V2, wherein the first passageway P1 is arranged to receive the second profile 100B therein.
A method of friction-stir welding, FSW, a joint J, for example a T joint J, between a first workpiece W1 and a second workpiece W2 is described. The method comprises: arranging the first workpiece W1 and the second workpiece W2; performing a first pass P1 of FSW of the joint J by moving therealong a first tool 10, comprising a first probe 100 rotating in a first rotational direction RD1 and at least partially inserted into the first workpiece W1 and/or into the second workpiece W2 to a first depth D1, in a first movement direction MD1 defining a first line L1, on a first side S1 of the joint J, thereby providing a first welded region WR1; and performing a second pass P2 of FSW of the joint J by moving therealong a second tool 20, comprising a second probe 200 rotating in a second rotational direction RD2 and at least partially inserted into the first workpiece W1 and/or into the second workpiece W2 to a second depth D2, in a second movement direction MD2 defining a second line L2, on a second side S2 of the joint J, thereby providing a second welded region WR2; wherein the first tool 10 and the second tool 20 are mutually opposed; and wherein performing the first pass P1 of FSW and performing the second pass P2 of FSW are at least partially concurrent.
B23K 20/12 - Soudage non électrique par percussion ou par une autre forme de pression, avec ou sans chauffage, p.ex. revêtement ou placage la chaleur étant produite par friction; Soudage par friction
A method of friction-stir welding, FSW, a joint J, for example a T joint and/or a lap joint, between a first workpiece W1 and a second workpiece W2, is described. The method comprises: performing a first pass P1 of FSW of the joint J by moving therealong a first tool (10), comprising a first probe (100) rotating in a first rotational direction RD1, in a first movement direction MD1 defining a first line L1, on a first side S1 of the joint J, comprising: inserting the first probe (100) to a first depth D1, thereby providing a first welded region WR1; withdrawing at least partially the first probe (100), thereby providing a first partially welded and/or unwelded region PWUR1; and fully withdrawing the first probe (100), thereby resulting in a first exit hole EXH1; performing a second pass P2 of FSW of the joint J by moving therealong a second tool (20), comprising a second probe (200) rotating in a second rotational direction RD2, in a second movement direction MD2 defining a second line L2, on the first side S1 of the joint J, comprising: inserting the second probe (200) to a second depth D2, thereby providing a second welded region WR2; optionally withdrawing at least partially the second probe (200); and fully withdrawing the second probe 200, thereby resulting in a second exit hole EXH2; wherein the second welded region WR2 includes the first exit hole EXH1; and wherein the second exit hole EXH2 is included in the first welded region WR1.
B23K 20/00 - Soudage non électrique par percussion ou par une autre forme de pression, avec ou sans chauffage, p.ex. revêtement ou placage
B23K 20/12 - Soudage non électrique par percussion ou par une autre forme de pression, avec ou sans chauffage, p.ex. revêtement ou placage la chaleur étant produite par friction; Soudage par friction
There is provided a fuel tank system comprising a fuel tank; and a lattice in the fuel tank for impeding the propagation of a flame front within the fuel tank, the lattice defining a plurality of openings to allow a fluid to pass through.
B64D 37/32 - Mesures de sécurité non prévues ailleurs, p.ex. contre les explosions
B64D 37/04 - Disposition de ceux-ci à l'intérieur ou sur les aéronefs
A62C 3/06 - Prévention, limitation ou extinction des incendies spécialement adaptées pour des objets ou des endroits particuliers pour des matériaux très inflammables, p.ex. les métaux légers, les produits du pétrole
A62C 3/08 - Prévention, limitation ou extinction des incendies spécialement adaptées pour des objets ou des endroits particuliers dans les véhicules, p.ex. les véhicules routiers dans les avions
B33Y 80/00 - Produits obtenus par fabrication additive
A dynamic light source for a display is disclosed. The dynamic light source comprises a first light source located inside a first device; and a second light source. The first device is configured to allow light from the first light source to exit the first device in a first cone of angles and to reflect light incident outside the cone of angles back towards the first light source. The first device is configured such that injected light from the second light source is reflected by the first light source in a second cone of angles substantially coincident with the first cone of angles and that light output by the first device from the second light source is attenuated more than light output by the first light source, and an amount of attenuation is based on an intended dynamic power range of the dynamic light source.
Described herein is an improved optical display system for a head or helmet mounted display (HMD). The optical display system comprises an intermediate reflective element that comprises an array of microstructures. Separate image generators are provided which generate images which are projected onto a user's left and right eyes and by use of the intermediate reflective element, the image generator located on the left side of the HMD generates an image for the user's left eye and the image generator located on the right side of the HMD generates an image for the user's right eye. As described below, this improved optical display system may, in various examples, be coupled with a vision enhancement system.
A method of fabricating an article by fused filament fabrication. The method comprises providing a filament (3) comprising a first set RF of reinforcement fibres (300), including a first reinforcement fibre (300A), surrounded, at least in part, with a first polymeric composition (30); forming a first discontinuity (310A) of a first set D1 of discontinuities (310) in the first reinforcement fibre (300A); and depositing the filament (3), including the first discontinuity (310A) of the first set D1 of discontinuities (310) formed in the first reinforcement fibre (300A), comprising softening, at least in part, the first polymeric composition (30) and solidifying the softened first polymeric composition (30); wherein depositing the filament (3), including the first discontinuity (310A) of the first set D1 of discontinuities (310) formed in the first reinforcement fibre 300A, comprises depositing the filament (30), including the first discontinuity (310A) of the first set D1 of discontinuities (310) formed in the first reinforcement fibre (300A), in a first arc (320) of a set of arcs A.
B29C 64/118 - Procédés de fabrication additive n’utilisant que des matériaux liquides ou visqueux, p.ex. dépôt d’un cordon continu de matériau visqueux utilisant un matériau filamentaire mis en fusion, p.ex. modélisation par dépôt de fil en fusion [FDM]
B29C 64/255 - Enceintes pour le matériau de construction, p.ex. récipients pour poudre
According to an aspect of the invention, there is provided a weapon system for use on a vehicle, comprising: a control system, the control system configured to, in response to a determination that a line-of-sight from the weapon system to a target of the weapon system is currently, or going to be obscured, trigger an alteration of a configuration of the vehicle such that the line-of-sight to the target is not obscured. Thus, the weapon system can ensure a line-of-sight of the target, allowing it to be successfully engaged.
G05D 1/00 - Commande de la position, du cap, de l'altitude ou de l'attitude des véhicules terrestres, aquatiques, aériens ou spatiaux, p.ex. pilote automatique
B64D 7/00 - Agencement à bord aéronefs des équipements militaires, p.ex. des armes, des accessoires d'armement ou des blindages de protection; Adaptations des installations d'armement aux aéronefs
F41H 11/02 - Installations ou systèmes de défense anti-aérienne ou antimissiles
F41H 13/00 - Moyens d'attaque ou de défense non prévus ailleurs
The present invention provides a presenting device and analytics device. The presenting device comprises a storage means comprising first data and second data, wherein the first data is of a higher security classification than the second data; a controller configured to generate a first computer-readable tag based on the second data; and image generation means configured to generate an image for display on a display apparatus, the image comprising the first data and the first computer-readable tag. The analytics device comprises a reader for reading the computer-readable tag and a controller for decoding the computer-readable tag and identifying data associated therewith. The present invention also provides a system comprising the presenting device and an analytics device and a methods of presenting and analysing data.
G06F 16/58 - Recherche caractérisée par l’utilisation de métadonnées, p.ex. de métadonnées ne provenant pas du contenu ou de métadonnées générées manuellement
G06F 21/62 - Protection de l’accès à des données via une plate-forme, p.ex. par clés ou règles de contrôle de l’accès
A method of providing secure communication between first and second devices comprises the first device and the second device connecting to a server via a secure communication channel. Encryption keys for the devices are generated and data relating to the encryption keys are exchanged via the server in the secure communication channel. A peer-to-peer connection for exchanging data is generated using encrypted connection information for the devices.
There is provided a thermal management apparatus for use with a vehicle comprising: a chassis in thermal contact with one or more first components that require thermal management and one or more second components that require thermal management, wherein the chassis is configured to transfer heat from the one or more first components to the one or more second components.
F28D 15/04 - Appareils échangeurs de chaleur dans lesquels l'agent intermédiaire de transfert de chaleur en tubes fermés passe dans ou à travers les parois des canalisations dans lesquels l'agent se condense et s'évapore, p.ex. tubes caloporteurs avec des tubes ayant une structure capillaire
F28D 21/00 - Appareils échangeurs de chaleur non couverts par l'un des groupes
B64C 39/02 - Aéronefs non prévus ailleurs caractérisés par un emploi spécial
A method for assisting a pilot to navigate an aircraft when taxiing is disclosed. A centre line of a route, conformal to outside scenery, is displayed on an eyes out screen associated with the pilot. A pictorial indication of the alignment of the undercarriage with the centre line is displayed on the eyes out screen. Further graphical information related to the navigation is displayed on the eyes out screen.
B64D 43/02 - Aménagements ou adaptations des instruments pour indiquer la vitesse des aéronefs ou les conditions de décrochage
G01C 23/00 - Instruments combinés indiquant plus d’une valeur de navigation, p.ex. pour l’aviation; Dispositifs de mesure combinés pour mesurer plusieurs variables du mouvement, p.ex. la distance, la vitesse ou l’accélération
G08B 7/06 - Systèmes de signalisation selon plus d'un des groupes ; Systèmes d'appel de personnes selon plus d'un des groupes utilisant une transmission électrique
A method and apparatus for classifying and/or identifying materials by means of their spectral response to gamma radiation. Classification is carried out by irradiating multiple different samples with gamma radiation, detecting a spectral response in the backscatter direction, sorting the spectral response into energy bands and selecting a combination of energy bands to define a relationship that best distinguishes between clusters of spectral responses for different material classes. Two or more of the energy bands may overlap.
G01N 23/20066 - Recherche ou analyse des matériaux par l'utilisation de rayonnement [ondes ou particules], p.ex. rayons X ou neutrons, non couvertes par les groupes , ou en utilisant la réflexion de la radiation par les matériaux en mesurant la diffusion inélastique des rayons gamma, p.ex. effet Compton
A vehicle control system (110) for use with at least one fluidic control effector (102) for a vehicle, the vehicle control system (110) comprising a controller (110), wherein the controller is configured to: receive a vehicle control input indicating a demanded vehicle manoeuvre, wherein the input is further configured to receive condition data; determine a fluid mass-flow for the at least one fluid control effector based on the received vehicle control input and the condition data, wherein the relationship between the fluid mass-flow and the vehicle control input is substantially non-linear; and output data relating to the determined fluid mass-flow to effect the demanded vehicle manoeuvre, wherein the fluid mass-flow is determined to provide a substantially linear relationship between the vehicle control input and the effected demanded vehicle manoeuvre.
B64C 15/14 - Commande de l'assiette, de la direction du vol ou de l'altitude par jets réactifs les jets étant autres que les jets propulsifs principaux
B64C 39/02 - Aéronefs non prévus ailleurs caractérisés par un emploi spécial
B64C 19/00 - Dispositifs de commande des aéronefs non prévus ailleurs
G05D 7/06 - Commande de débits caractérisée par l'utilisation de moyens électriques
A vehicle surface includes a set of retroreflectors configured to reflect, at least in part, incident hostile light towards a source of the incident hostile light.
G02B 5/124 - Réflecteurs reflex du type en sommet de cube, en trièdre ou en réflecteur triple plusieurs éléments réfléchissants faisant partie d'une plaque ou d'une feuille formant un tout
B64D 7/00 - Agencement à bord aéronefs des équipements militaires, p.ex. des armes, des accessoires d'armement ou des blindages de protection; Adaptations des installations d'armement aux aéronefs
F41H 11/00 - Installations de défense; Dispositifs de défense; Moyens destinés à déminer ou à détecter les mines terrestres
G02B 5/126 - Réflecteurs reflex comprenant une surface courbe de réfraction
F41H 13/00 - Moyens d'attaque ou de défense non prévus ailleurs
According to a first aspect of the present invention, there is provided a reconnaissance and communication assembly, adapted to be launched from a gun barrel into the air over a body of water. The assembly comprises a carrier (with a cavity) and a payload (within the cavity). The payload is arranged to be controllably expelled from the carrier and once expelled from the carrier, the payload is adapted to enter the water; and the payload transmits a signal after entering the water.
F42B 12/36 - Projectiles ou mines caractérisés par la charge militaire, l'effet recherché ou le matériau caractérisés par la nature de la charge militaire ou par l'effet recherché pour la signalisation
H04K 3/00 - Brouillage de la communication; Contre-mesures
F42B 10/56 - Dispositions pour réduire la portée, pour la déstabilisation ou pour le freinage; Moyens pour freiner la chute d'un projectile du type à parachute
Disclosed is an unmanned Aerial Vehicle, UAV, comprising a plurality of rotors, a camera and an explosive payload, wherein the UAV comprises a generally elongate body, and the camera and the payload are arranged substantially in-line within the body.
The present disclosure relates to a control system for a vehicle, comprising: at least one compressor arranged to generate compressed fluid having a massflow rate; at least one fluidic control effector in fluidic communication with the at least one compressor and arranged to change the direction of travel of the vehicle when the compressed fluid is incident on the at least one fluidic control effector; a dump duct for expelling excess compressed fluid not delivered to the at least one fluidic control effector out of the vehicle; a dump valve for controlling the massflow rate of compressed fluid delivered to the dump duct; and a controller electrically coupled to the dump valve and configured to adjust the dump valve. The present disclosure also relates to an aircraft having the control system and a method of controlling a vehicle.
B64C 19/00 - Dispositifs de commande des aéronefs non prévus ailleurs
G05D 1/10 - Commande de la position ou du cap dans les trois dimensions simultanément
B64C 39/02 - Aéronefs non prévus ailleurs caractérisés par un emploi spécial
B64C 21/08 - Moyens permettant d'influencer l'écoulement d'air sur les surfaces des aéronefs en agissant sur la couche limite par utilisation de fentes, de conduits, de surfaces poreuses ou de dispositifs similaires réglables
B64C 15/14 - Commande de l'assiette, de la direction du vol ou de l'altitude par jets réactifs les jets étant autres que les jets propulsifs principaux
B64C 21/04 - Moyens permettant d'influencer l'écoulement d'air sur les surfaces des aéronefs en agissant sur la couche limite par utilisation de fentes, de conduits, de surfaces poreuses ou de dispositifs similaires en vue du soufflage
G05D 7/06 - Commande de débits caractérisée par l'utilisation de moyens électriques
There is provided a method for fabricating a waveguide. The method comprising fabricating a first master grating tool comprising a first tool substrate having a surface with an area corresponding at least to the area of a surface of the waveguide and having a first grating profile formed over substantially all of the surface of the first tool substrate. Fabricating a second master grating tool comprising a second tool substrate having a surface with an area corresponding at least to the area of the surface of the waveguide and having a second grating profile formed over substantially all of the surface of the second tool substrate. Using the first master grating tool to replicate the first grating profile over substantially all of a surface of a first waveguide substrate. Using the second master grating tool to replicate the second grating profile over substantially all of a surface of a second waveguide substrate. Applying a first dielectric layer over a selected area of the first grating profile replicated on the surface of the first waveguide substrate. Applying a second dielectric layer over a selected area of the second grating profile replicated on the surface of the second waveguide substrate. Applying a layer of laminating material to at least one of the surfaces of the first and second waveguide substrates and bringing the surfaces of the first and the second waveguide substrates together thereby to join the first and second waveguide substrates together by an intermediate lamination layer.
According to a first aspect of the present invention, there is provided a reconnaissance and communication assembly, adapted to be launched from a gun barrel into the air. The assembly comprises a carrier (with a cavity) and a payload (within the cavity). The payload is arranged to be controllably expelled from the carrier and once expelled from the carrier, the payload transmits a signal.
F42B 12/36 - Projectiles ou mines caractérisés par la charge militaire, l'effet recherché ou le matériau caractérisés par la nature de la charge militaire ou par l'effet recherché pour la signalisation
B64C 39/02 - Aéronefs non prévus ailleurs caractérisés par un emploi spécial
H04K 3/00 - Brouillage de la communication; Contre-mesures
B63G 1/00 - Aménagements relatifs à l'artillerie ou au lancement des missiles; Navires caractérisés à cet effet
F42B 10/56 - Dispositions pour réduire la portée, pour la déstabilisation ou pour le freinage; Moyens pour freiner la chute d'un projectile du type à parachute
B63G 6/00 - Mouillage des mines ou des charges sous-marines; Navires à cet effet
B63G 9/00 - Autres aménagements offensifs ou défensifs sur les navires contre sous-marins, torpilles ou mines
B64U 70/00 - Dispositions pour le lancement, le décollage ou l'atterrissage
B64U 101/20 - Véhicules aériens sans pilote spécialement adaptés à des utilisations ou à des applications spécifiques à l’utilisation en tant que relais de communication, p. ex. plates-formes de haute altitude
A folded optical arrangement for use in a view-through display to transmit an image from an image source to a user's eye, the arrangement providing a folded optical transmission path and comprising: an optical system having a first optical element comprising a first plurality of optically powered surfaces; and a second optical element comprising at least one optically powered surface, the optical system configured to receive light forming the image from an image source, and to present a virtual image of the image source to the user with an apparent focus between a predetermined distance and optical infinity; wherein the first plurality of optically powered surfaces and the at least one optically powered surface of the second optical element are arranged to define a plurality of interfaces along the folded optical path and wherein a refractive index change at each interface is predetermined to control the direction of light passing through the or each interface; and wherein one surface of the first optical element and one surface of the second optical element are adjacent to one another and the adjacent surfaces are dissimilar and each define an angle with a respective other surface of the relevant optical element at opposing ends of the adjacent surfaces and wherein the opposing angles are not equal; and a compensator element located between the first optical element and an external view to receive the external view for combination with the image output from the optical system
An airborne redirection unit (ARU), for deflecting an RF energy beam, the ARU comprising: A canopy comprising a surface for slowing the rate of descent, A beam director supported at the canopy, the ARU being configured to focus the RF energy beam.
H01Q 19/06 - Combinaisons d'éléments actifs primaires d'antennes avec des dispositifs secondaires, p.ex. avec des dispositifs quasi optiques, pour donner à une antenne une caractéristique directionnelle désirée utilisant des dispositifs de réfraction ou de diffraction, p.ex. lentilles
H01Q 19/10 - Combinaisons d'éléments actifs primaires d'antennes avec des dispositifs secondaires, p.ex. avec des dispositifs quasi optiques, pour donner à une antenne une caractéristique directionnelle désirée utilisant des surfaces réfléchissantes
A packer for application to an aircraft airframe, the packer comprising: a sheet of material having a first surface and a second surface opposite to the first surface; and a plurality of voids defined through the sheet of material from the first surface to the second surface, thereby to provide that the sheet of material is flexible. The sheet of material may define a frame and a plurality of struts extending from one side of the frame to an opposite side of the frame. The frame and the struts may define, at least in part, the voids.
An equipment enclosure (1) for electromagnetically isolating an electronic device, the equipment enclosure 1 comprising a conductive housing (3) and a plurality of conductive sheets (5). Each sheet (5) includes an aperture (7). The sheets (5) are stacked in a spaced-apart relationship within the housing (3) thereby defining a plurality of electromagnetically-isolated cavities (9) each within a respective Faraday cage formed by the conductive housing (3) and the conductive sheets (5). The apertures (7) form a channel (11) that extends through the enclosure (1) providing a route for connections between the cavities (9).
There is provided an apparatus for pulse charging of a load capacitor, the apparatus comprising: a ferrous cored transformer having a primary winding and a secondary winding; a primary circuit connected to the primary winding; a secondary circuit connected to the secondary winding, the secondary circuit comprising the load capacitor; and an uncoupled inductance in the primary circuit or the secondary circuit, the uncoupled inductance reducing the coupling coefficient between the primary circuit and the secondary circuit.
Methods and apparatus for detecting a modulating element of an object are described in which signal values are obtained from one or more optical detectors. A determination is made if there is a time dependent variation in the obtained signal values at the one or more optical detector and a modulating element is detected based on the determination.
G01S 7/4865 - Mesure du temps de retard, p.ex. mesure du temps de vol ou de l'heure d'arrivée ou détermination de la position exacte d'un pic
G08B 13/196 - Déclenchement influencé par la chaleur, la lumière, ou les radiations de longueur d'onde plus courte; Déclenchement par introduction de sources de chaleur, de lumière, ou de radiations de longueur d'onde plus courte utilisant des systèmes détecteurs de radiations passifs utilisant des systèmes de balayage et de comparaison d'image utilisant des caméras de télévision
Methods and apparatus for detecting a modulating element of an object in a scene are described in which an element in a scene is illuminated with a modulated light source. A signal is obtained from an optical detector based on light received from the illuminated element. An intermediate frequency signal is detected from the signal obtained from the optical detector, the intermediate frequency signal being related to a frequency of the modulated light source and a frequency of modulation of the element within the scene. The modulating element is detected based on the intermediate frequency signal.
G01S 17/50 - Systèmes de mesure basés sur un mouvement relatif de la cible
G01S 17/08 - Systèmes déterminant les données relatives à la position d'une cible pour mesurer la distance uniquement
G01H 9/00 - Mesure des vibrations mécaniques ou des ondes ultrasonores, sonores ou infrasonores en utilisant des moyens sensibles aux radiations, p.ex. des moyens optiques
The present invention relates to the control of weapons, particularly weapons which are controlled via a communications link, possibly at some distance from the weapon's location. The invention is to an apparatus comprising safety-critical and non-safety-critical functional parts wherein at least one of a plurality of safety-critical functional parts is only connected to at least one other of the plurality of safety-critical functional parts.
F42C 15/40 - Dispositifs d'armement des fusées; Dispositifs de sécurité pour empêcher l'explosion prématurée des fusées ou des charges dans lesquels l'action de sécurité ou d'armement s'effectue électriquement
B64C 39/02 - Aéronefs non prévus ailleurs caractérisés par un emploi spécial
B64U 101/15 - Véhicules aériens sans pilote spécialement adaptés à des utilisations ou à des applications spécifiques à la guerre conventionnelle ou électronique
There is provided a user-vehicle interface, comprising: a gesture control system, arranged to sense a gesture of a user of the vehicle; the gesture control system being arranged to process the sensed gesture to control interaction with content on a display, in accordance with that sensed gesture; the vehicle comprising a physical actuator for controlling the vehicle, and the gesture control system is arranged to facilitate interaction with content on the display, when a body part of the user associated with a provision of the gesture is engaged with the actuator.
G06F 3/01 - Dispositions d'entrée ou dispositions d'entrée et de sortie combinées pour l'interaction entre l'utilisateur et le calculateur
G05D 1/00 - Commande de la position, du cap, de l'altitude ou de l'attitude des véhicules terrestres, aquatiques, aériens ou spatiaux, p.ex. pilote automatique
G05D 1/10 - Commande de la position ou du cap dans les trois dimensions simultanément
B64D 43/00 - Aménagements ou adaptations des instruments
97.
User-vehicle interface including gesture control support
There is provided a user-vehicle interface, comprising a gesture control system that is arranged to: sense a direction of a gesture of a user of the vehicle; and process the sensed gesture to control a location of an indicator on a display in accordance with that sensed direction, such that a location of the indicator is arranged to move in accordance with changes in the sensed direction, the indicator being used to show a current position for user interaction with content on the display, and being in a plane in which that content resides.
G06F 3/0484 - Techniques d’interaction fondées sur les interfaces utilisateur graphiques [GUI] pour la commande de fonctions ou d’opérations spécifiques, p.ex. sélection ou transformation d’un objet, d’une image ou d’un élément de texte affiché, détermination d’une valeur de paramètre ou sélection d’une plage de valeurs
G06F 3/01 - Dispositions d'entrée ou dispositions d'entrée et de sortie combinées pour l'interaction entre l'utilisateur et le calculateur
B60K 35/00 - Agencement ou adaptations des instruments
There is provided an arming apparatus for a store, the apparatus comprising: a first attachment system and a second attachment system; a linking connector coupled with the first attachment system and the second attachment system; and an arming connector coupled with the linking connector and a first fuze input of the store; wherein each of the first attachment system and the second attachment system comprises: an arming unit; a first frangible connector coupled with the arming unit and the linking connector; and a second frangible connector coupled with the linking connector and the store.
B64D 1/04 - Largage ou éjection d'objets les objets étant explosifs, p.ex. des bombes
F42C 15/40 - Dispositifs d'armement des fusées; Dispositifs de sécurité pour empêcher l'explosion prématurée des fusées ou des charges dans lesquels l'action de sécurité ou d'armement s'effectue électriquement
F42C 14/06 - Fusées caractérisées par la catégorie ou le type des munitions concernées pour bombes aériennes
F42C 15/20 - Dispositifs d'armement des fusées; Dispositifs de sécurité pour empêcher l'explosion prématurée des fusées ou des charges dans lesquels une goupille de sécurité ou un verrou est enlevé pour armer la fusée, p.ex. retiré du percuteur
This invention relates to a parachute sea anchor system deployable from a payload tube. There is provided a parachute sea anchor system suitable for launch from a vessel comprising at least one payload tube,
said payload tube, comprising a payload canister, which comprises a parachute sea anchor, wherein said parachute sea anchor comprises a buoy tethered thereto, wherein said payload canister is attached to said vessel.
There is disclosed an aircraft for intercepting an airborne target, the aircraft comprising: a frame; a plurality of lines of a first type, each attached to the frame at a first end, and free at the other end; and a plurality of lines of a second, different, type, each attached to the frame at a first end, and free at the other end.
B64U 70/20 - Dispositions pour le lancement, le décollage ou l'atterrissage pour lancer ou capturer en vol les véhicules aériens sans pilote via un autre aéronef
B64U 101/00 - Véhicules aériens sans pilote spécialement adaptés à des utilisations ou à des applications spécifiques
B64C 39/02 - Aéronefs non prévus ailleurs caractérisés par un emploi spécial
B64C 37/02 - Ensembles volants formés par des aéronefs distincts
B64D 5/00 - Aéronefs transportés par un aéronef porteur, p.ex. pour être largués ou repris en vol