A tubular LED lamp to be used with an external electronic power controlling device which is adapted to provide an input voltage to the lamp, comprising: a LED unit; a driving circuit for the LED unit; and a safety detection circuit adapted to detect whether the tubular LED lamp is correctly connected to an external lamp fixture; characterized in that further comprising: a holding current providing circuit adapted to provide a holding current through the electronic controlling device so as to maintain the electronic controlling device to be conductive; and a controlling circuit adapted to synchronize the safety detection circuit with the holding current providing circuit such that the safety detection circuit is adapted to carry out the detection when the hold current providing circuit is adapted to provide the holding current and the electronic controlling device is conductive; wherein the controlling circuit is adapted to deactivate the holding current providing circuit and the safety detection circuit after the detection in one cycle of the input voltage,
A controller for controlling a lighting system is disclosed. The lighting system comprises a lighting device configured to receive lighting control commands from the controller via a wireless network, and a separate power switching device configured to receive, via the wireless network, power switching control commands from the controller to switch between a first mode wherein a load connected to the power switching device is powered, and a second mode the load connected to the power switching device is unpowered. The controller comprises a transmitter configured to transmit the lighting control commands to the lighting device and configured to transmit the power switching control commands to the power switching device, one or more inputs configured to obtain one or more first signals indicative of that the lighting device is connected to the separate power switching device as the load, and to obtain a second signal indicative of a current mode of the power switching device, and a processor configured to determine that the lighting device is connected to the power switching device based on the one or more first signals, to transmit a lighting control command to the lighting device to control the lighting device, and, if the power switching device is in the second mode, to transmit a power switching control command to the power switching device to switch the power switching device to the first mode.
The invention relates to a load module for connecting to a power supply having a maximum power capability. The load module comprises an input for receiving an input voltage from the power supply, a power regulator adapted to receive the input voltage and adapted to provide a regulated power to a load, a current sensor for sensing a current provided by the power supply, a voltage sensor for sensing the input voltage and a controller for controlling the power regulator. The controller is arranged to operate in a configuration mode, wherein the controller is arranged to control the power regulator to draw a current from the input that gradually increases until the input voltage drops, wherein the current at which the input voltage drop is indicative of a the maximum power capability of the power supply, wherein the controller is arranged to determine the maximum power capability of the power supply based on the sensed current and the sensed input voltage close to the event that the input voltage drops.
A method of and a node device for relaying a message in a network of operatively interconnected node devices arranged along at least one elongated geographic track is disclosed. Each node device is provisioned with a unique network address associated with a geographic location of the node device in the network. The method comprising the steps of: receiving, by a relay node device having a relay network address, a message originated from a source node device having a source network address and destined to a destination node device having a destination network address; determining, by the relay node device, to relay the received message, based on a relationship between the relay network address, the source network address and the destination network address, and relaying, by the relay node device, the message by retransmitting the received message.
H04W 40/22 - Communication route or path selection, e.g. power-based or shortest path routing using selective relaying for reaching a BTS [Base Transceiver Station] or an access point
H04W 40/20 - Communication route or path selection, e.g. power-based or shortest path routing based on geographic position or location
5.
A CONTROLLER FOR UNLEARNING A LEARNT PREFERENCE FOR A LIGHTING SYSTEM AND A METHOD THEREOF
A method for unlearning a learnt preference for a lighting system, wherein the method comprises: monitoring one or more feedbacks of a user during a time period, determining whether the one or more feedbacks are related to a light setting of the lighting system or not, assigning a likelihood value to the one or more feedbacks based on the determination, training the machine to learn the user's preference related to the light setting based on the monitored one or more feedbacks, rendering an inferred light setting from the trained machine, receiving a dissatisfaction input from the user indicative of a dissatisfaction level of the user related to the inferred light setting, and if the user's dissatisfaction level exceeds a threshold, removing the one or more feedbacks from the trained machine based on the likelihood value.
A luminaire unit comprises a side wall and a light guide having a pair of opposing total internal reflection, TIR, surfaces, with one of the TIR surfaces attached to the side wall. A flexible LED board is coupled to the side wall for delivering light to the light guide. The flexible LED board is parallel with a height direction of the LED board, with LEDs of the LED board being arranged to emit light with an optical axis in a normal direction of the side wall. A slanted reflector surface is used to reflect said emitted light into the light guide. The side wall, the light guide and the flexible LED board are curved about at least one axis parallel to the height direction.
F21V 8/00 - Use of light guides, e.g. fibre optic devices, in lighting devices or systems
G02B 6/00 - Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
7.
A COMMUNICATION DEVICE ARRANGED TO BE CONNECTED TO A BUS FOR PREVENTING ENERGY SHORTAGE FOR POWERING THE COMMUNICATION DEVICE, AS WELL AS A CORRESPONDING METHOD AND COMPUTER PROGRAM PRODUCT
A communication device arranged to be connected to a bus, wherein said communication device is arranged for transmitting messages over, and for receiving power from, said bus, wherein said communication device comprises a storage capacitor arranged for receiving power from said bus for powering said communication device, a bus driver arranged for transmitting messages over said bus by manipulating voltage levels of said bus, an energy controller arranged for determining that a measure for an energy level in said storage capacitor is not sufficient, controlling said bus driver to postpone said transmitting of said messages over said bus based on said determination that said measure is not sufficient.
The invention provides an arrangement (2000) comprising a support (500), n2 support brackets (520), ml locking clips (200), one or more light generating devices (100), and a locking plate (400), wherein the support (500) comprises a support part (501) configured to receive the locking plate (400); wherein n2 support brackets (520) are functionally coupled to the support (500); wherein each support bracket (520) comprises a second overhanging part (521), overhanging the support part (501); wherein n2≥1; wherein each locking clip (200) is functionally coupled to the support (500) and comprises a second locking clip part (220) extending over at least part of the support part (501); wherein the second locking clip part (220) comprises a first connector part (201); wherein m1≥1; wherein the locking plate (400) comprises m2 second connector parts (402), configured in male-female configurations with the m 1 first connector parts (201), wherein m2≥m 1; and the locking plate (400) is configured on the support part (501) and physically secured by the ml locking clips (200) and the n2 support brackets (520); wherein the one or more light generating devices (100) are functionally coupled to the locking plate (400).
F21V 19/00 - Fastening of light sources or lamp holders
F21S 4/28 - Lighting devices or systems using a string or strip of light sources with light sources held by or within elongate supports rigid, e.g. LED bars
A lighting device (100) including a light emitting diode (LED) spinal component (102) and a circuit board strip (120) is disclosed. The LED spinal component (102) includes an LED (104) disposed on a first circuit board (106) including first electrical conductors (108) coupled to the LED. The circuit board strip (120) includes second electrical conductors (122) coupled to the first electrical conductors, where the material composing the 5 strip is more flexible than the first circuit board, and where the LED spinal component is attached at a portion (124) of a surface (126) of the strip such that a primary light emitting surface (105) of the LED spinal component is at a perpendicular or oblique angle to the portion of the surface of the strip at which the LED spinal component is attached.
F21S 4/22 - Lighting devices or systems using a string or strip of light sources with light sources held by or within elongate supports flexible or deformable, e.g. into a curved shape
H05K 1/14 - Structural association of two or more printed circuits
H05K 3/36 - Assembling printed circuits with other printed circuits
Apparatus for lighting, namely, light bulbs, spot lights, ceiling lights, wall lights and electric lighting fixtures; lighting fixtures and lighting installations; lamps; LED luminaires; structural and replacement parts of the aforesaid goods.
11.
A LIGHTING CONTROL SYSTEM EMPLOYING SOCIAL SENSING FEEDBACK
A lighting control system (1) comprising at least one lighting module (2) and a controller (3), the controller (3) being configured to cause the at least one lighting module to create a lighting scene for a lighting calendar event, the controller (3) further being configured to obtain first data by data mining social media content relating to the lighting calendar event, determine first lighting attributes from the first data, based on the first lighting attributes, control the at least one lighting module to generate at least one lighting scene and apply the at least one lighting scene for the lighting calendar event, obtain second data by data mining social media content relating to the applied at least one lighting scene, determine second lighting attributes from the second data, and based on the second lighting attributes control the at least one lighting module to generate at least one updated lighting scene and apply the at least one updated lighting scene for the lighting calendar event.
The present invention relates to an elongated optical element (1) for a lighting system (100) having a longitudinal extension and a transverse extension being substantially perpendicular to the longitudinal extension. The optical element (1) has a central portion (2) having a first edge (2´) and a second edge (2´´) being arranged substantially parallel to each other and to the longitudinal extension of the optical element (1). The optical element (1) further comprises at least a first lightguide (3) arranged at the first edge (2´) of the central portion (2), the optical element (1) having a first surface (4) facing at least one light source (112) of the lighting system (100), and a second surface (4´) being opposite to the first surface (4). The first surface (4) of the first lightguide (3) comprises at least one longitudinal jag (5) being substantially parallel to the longitudinal extension of the optical element (1).
F21S 4/28 - Lighting devices or systems using a string or strip of light sources with light sources held by or within elongate supports rigid, e.g. LED bars
The invention is directed to a vital sign detection device (100) having a vital sign detection unit (102) configured to remotely detect vital sign data indicative of vital signs of a subject (101) located in a vicinity of the vital sign detection device. The vital sign detection device further comprises a detection unit (104) configured to detect presence of a portable device (103) associated with a user (101), a distance determination unit (106) configured to determine a distance amount (d) indicative of a distance between the portable device and the subject, and a data association unit (108) configured, upon determining that the distance amount matches a predetermined distance criterion, to associate the vital sign data of the subject to the user of the portable device. Thus, the vital sign detection device is suitable for use in spaces visited by multiple subjects.
A method of controlling a plurality of lighting devices in an environment according to a dimming profile over a period of time is disclosed. The dimming profile defines a transition from an initial illumination with an initial target brightness and an initial target color or color temperature to a subsequent illumination comprising a subsequent target brightness and a subsequent target color or color temperature. The plurality of lighting devices are different lighting devices with different light emission properties. The method comprises: obtaining the light emission properties of the plurality of lighting devices, selecting a first lighting device from the plurality of lighting devices which has first light emission properties for providing first illumination that follows the transition defined by dimming profile, controlling, over the period of time, the first lighting device based on the dimming profile to provide the first illumination in the environment, selecting a second lighting device from the plurality of lighting devices which has second light emission properties for providing second illumination that follows the dimming profile for only a part of the transition defined by dimming profile, and controlling, over a part of the period of time that corresponds to the part of the transition, the second lighting device to provide the second illumination in the environment.
An antenna structure for radiating a radiofrequency signal. The antenna structure comprises a conductive element having a rim with a rim edge and a gap. A wire antenna element is positioned to partially overlap the rim by extending in parallel with the rim edge and partially overlap the gap. The rim edge is, in an assembled and ready to operate state of the antenna structure, electromagnetically exposed and the wire antenna element is configured such that a radiofrequency current induced or flowing through the wire antenna element induces an electric field in the overlapped portion of the rim and the edges of the gap, causing the overlapped electromagnetically exposed rim edge of the portion of the rim and the edges of the gap to radiate the radiofrequency signal responsive to the radiofrequency current.
H01Q 1/44 - ANTENNAS, i.e. RADIO AERIALS - Details of, or arrangements associated with, antennas using equipment having another main function to serve additionally as an antenna
H01Q 1/22 - Supports; Mounting means by structural association with other equipment or articles
H01Q 9/16 - Resonant antennas with feed intermediate between the extremities of the antenna, e.g. centre-fed dipole
H01Q 9/30 - Resonant antennas with feed to end of elongated active element, e.g. unipole
H01Q 19/10 - 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 reflecting surfaces
16.
DETERMINING LIGHT EFFECTS IN DEPENDENCE ON WHETHER AN OVERLAY IS LIKELY DISPLAYED ON TOP OF VIDEO CONTENT
A system (11) is configured to receive a video signal comprising video content, output the video signal to a display device (46) for displaying the video content, and receive a further signal. The further signal is indicative of one or more commands transmitted by a further device (45, 29) to the display device. The system is further configured to determine, based on the further signal, whether the display device will likely display an overlay on top of the video content, determine one or more light effects based on the analysis of the video content in dependence on whether the display device will likely display an overlay on top of the video content, and control one or more lighting devices (31-34) to render the one or more light effects.
G09G 5/377 - Control arrangements or circuits for visual indicators common to cathode-ray tube indicators and other visual indicators characterised by the display of individual graphic patterns using a bit-mapped memory - Details of the operation on graphic patterns for mixing or overlaying two or more graphic patterns
H05B 47/155 - Coordinated control of two or more light sources
A light emitting device comprising a mixing chamber (3). The mixing chamber having a bottom surface (31), a light exit window (33) and at least one side wall (32). The at least one side wall extends between the bottom surface and the light exit window. The light emitting device further comprises at least one light source (4) adapted for, in operation, emitting light into the mixing chamber. The at least one side wall (32) comprises an inner surface part (34) that borders the light exit window (33) and that faces an internal space (8) of the mixing chamber. The inner surface part (34) is an asymmetric reflector (9) to reflect a larger amount of incident light back towards the bottom surface (31) than towards the light exit window (33).
F21K 9/62 - Optical arrangements integrated in the light source, e.g. for improving the colour rendering index or the light extraction using mixing chambers, e.g. housings with reflective walls
FALL DETECTION SYSTEM FOR FALL DETECTION OF A PERSON, METHOD FOR FALL DETECTION OF A PERSON AND A COMPUTER PROGRAM PRODUCT FOR FALL DETECTION OF A PERSON
A fall detection system for performing a fall detection of a person (30) is provided and comprises at least one motion and/or presence detector (1) to detect a motion or a presence of a person (30). The at least one motion and/or presence detector (1) are operated in at least a first operating mode with first operating parameters or a second operating mode with second operating parameters. A fall detector (200) is provided to detect a position or a presence of the person (30) based on sensing signal from at least one motion and/or presence detector (1). The fall detector (200) detects a dwell time a person sitting or lying down and/or determines a hypotension risk index of the person (30). The fall detector (200) activates the second operating mode if the dwell time exceeds a time threshold and/or if the hypotension risk index exceeds a risk index threshold.
A61B 5/0507 - Detecting, measuring or recording for diagnosis by means of electric currents or magnetic fields; Measuring using microwaves or radio waves using microwaves or terahertz waves
A61B 5/11 - Measuring movement of the entire body or parts thereof, e.g. head or hand tremor or mobility of a limb
G16H 50/20 - ICT specially adapted for medical diagnosis, medical simulation or medical data mining; ICT specially adapted for detecting, monitoring or modelling epidemics or pandemics for computer-aided diagnosis, e.g. based on medical expert systems
G16H 50/30 - ICT specially adapted for medical diagnosis, medical simulation or medical data mining; ICT specially adapted for detecting, monitoring or modelling epidemics or pandemics for individual health risk assessment
G16H 40/63 - ICT specially adapted for the management or administration of healthcare resources or facilities; ICT specially adapted for the management or operation of medical equipment or devices for the operation of medical equipment or devices for local operation
G16H 50/70 - ICT specially adapted for medical diagnosis, medical simulation or medical data mining; ICT specially adapted for detecting, monitoring or modelling epidemics or pandemics for mining of medical data, e.g. analysing previous cases of other patients
The invention relates to a driver for driving a load, the driver comprising a first node adapted to be coupled to a fluctuating voltage, a second node adapted to be coupled to a stable voltage, a switched mode power converter configured to convert the fluctuating voltage into the stable voltage or to convert the stable voltage into the fluctuating voltage, a first ceramic capacitor coupled to the first node, a second ceramic capacitor coupled between the first node and the second node.
H02M 3/158 - Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only with automatic control of output voltage or current, e.g. switching regulators including plural semiconductor devices as final control devices for a single load
H02M 1/42 - Circuits or arrangements for compensating for or adjusting power factor in converters or inverters
H02M 1/15 - Arrangements for reducing ripples from dc input or output using active elements
H05B 45/38 - Switched mode power supply [SMPS] using boost topology
A luminaire comprises an outer housing, a main circuit board mounted inside the outer housing, a luminaire driver mounted on the main circuit board and a light source attached to the outer housing from the outside of the outer housing. The light source comprises a first push fit connector portion which extends into the main housing and the main circuit board comprises a second push fit connector portion which engages with the first push fit connector portion when the main circuit board, outer housing and light source are assembled to provide an electrical connection between the main circuit board and the light source.
A transformer comprises a winding structure which forms a primary side coil, a secondary side coil and first and second wires wound into the coil structure of the transformer. The first wire and second wire define a capacitance between them. The first wire is coupled to a cold point in the primary side and the second wire is coupled to a cold point in the secondary side, thereby this capacitance forming a Y-capacitor between the primary and the secondary sides. This capacitance may for example be used for EMI suppression.
The present invention relates to performing radio frequency based sensing in multiple sensing areas (50, 60) by multiple nodes (26, 28, 30, 38, 40, 42) located at different locations. A first group (25) of nodes includes at least two of the multiple nodes (26, 28, 30) and performs radio frequency based sensing in a first sensing area (50) for detecting a first sensing event. A second group (25′) of nodes including at least two of the multiple nodes (38, 40, 42) is configured for performing radio frequency based sensing in a second sensing area (60) for detecting a second sensing event based on findings obtained by performing radio frequency based sensing in the first sensing area (50). The nodes (26, 28, 30, 38, 40, 42) may perform radio frequency based sensing based on multiple communication technologies (34). The findings may include which communication technology allows confidently detecting a sensing event.
G01S 13/04 - Systems determining presence of a target
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 13/48 - Indirect determination of position data using multiple beams at emission or reception
A light emitting device (1) comprising at least one light source (2) adapted for, in operation, emitting light (7, 9), at least one free-shape refractive lens element (3) configured to aim light (7) emitted by the at least one light source (2) in a first direction towards a surface (22) to be illuminated by the light emitting device (1), the lens element (3) comprising a first end (11) adapted for facing in a direction towards the surface (22) and a second end (20) adapted for facing in a direction away from the surface (22), at least one first TIR element (4), the first TIR element (4) being a collimating TIR element configured to collimate and redirect light (9) emitted from the at least one light source (2) in a second direction away from the surface (22) into light (9) propagating parallel and in a downward direction, the first TIR element (4) comprising a light incoupling surface (19) and a light outcoupling surface (13), the light incoupling surface (19) being arranged at the second end (20) of the lens element (3), and at least one second TIR element (5) configured to redirect light (9′) redirected by the first TIR element (4) into light (9″) propagating in a direction towards the surface (22) and comprising an intensity distribution with two intensity peaks at wide angles that are aligned with the intensity peaks of light (7′) aimed by the lens element (3), the at least one second TIR element (5) being arranged at the light outcoupling surface (13) of the first TIR element (4).
A method of processing an interference detected by a first microwave sensor is disclosed. The method comprising the steps of: receiving, by a second microwave sensor, from the first microwave sensor a message comprising a signal feature profile representing the interference detected by the first microwave sensor; matching, by the second microwave sensor, the signal feature profile comprised in the received message with a stored feature profile, the stored feature profile obtained by the second microwave sensor from its own received signal, and determining, by the second microwave sensor, that the interference detected by the first microwave sensor is caused by the second microwave sensor, if the signal feature profile matches the stored feature profile.
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 7/35 - 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 13/87 - Combinations of radar systems, e.g. primary radar and secondary radar
26.
A LIGHT EMITTING SYSTEM FOR DISINFECTING A TARGET AREA
A light emitting system (1) for disinfecting a target area (5), the light emitting system (1) comprising a first light emitting device (2) comprising a first light source (21) configured to, in operation, emit a first UV light beam (22) towards the target area (5), and a second light emitting device (3) comprising a second light source (31) configured to, in operation, emit a second UV light beam (32) towards the target area (5), the first light emitting device (2) and the second light emitting device (3) being arranged spaced apart from one another in a direction perpendicular to vertical, and the first light source (21) and the second light source (31) being arranged such that, in operation, the first UV light beam (22) and the second UV light beam (32) are emitted in such respective directions that the first UV light beam and the second UV light beam form an exposure overlap at the target area.
An outdoor luminaire controller for mounting on an external face of an outdoor luminaire, comprising: a housing (10) having (14) mounted at the base (12) for passing a cable (16) from the interior volume of the housing (10) through the base (12) to the outside of the housing beneath the base, and for connecting the luminaire controller to the external face, wherein the cable routing unit (14) has an adjustable configuration relative to the base (12) of the housing thereby to adjust the location from which the cable extends down from the base (12).
A method (100) for disinfection using a lighting system (200), comprising: •determining (140) a mid-infrared (IR) and/or far-IR wavelength configured to disrupt a target macromolecule of a target pathogen, wherein the target macromolecule is DNA, RNA, and/or •a protein of the target pathogen; and exposing (150), via a light source (210) of the lighting system (200), •exposing (150), via a light source of the lighting system (200), the target pathogen to the determined mid-IR and/or far-IR wavelength, wherein the target macromolecule is directly disrupted and the target pathogen is neutralized by the exposure; and •detecting (160), by a sensor (224) of the lighting system (200), neutralisation of the target pathogen by exposure.
A system is disclosed for protecting fish from parasite infection. The system comprises a fish guidance system for deterring fish from moving into a first region bordering a water surface and/or for can move from the second region into the first region so that they can reach the water surface bordering the first region. The system further comprises a radiation disinfection system that is configured to provide disinfection radiation to the first region, the disinfection radiation being configured to disinfect water from parasites.
A lighting circuit has a series connection of a plurality of lighting channels of different output colors, driven by a current source. Some or all of the lighting channels comprise a LED arrangement, a shunt switch in parallel with the LED arrangement and a current leakage path in parallel with the LED arrangement. The current leakage path is used to calibrate the current flowing through the LED arrangement and thereby take account of the LED characteristics.
H05B 45/48 - Circuit arrangements for operating light-emitting diodes [LED] - Details of LED load circuits with an active control inside an LED matrix having LEDs organised in strings and incorporating parallel shunting devices
A system and method for inducing a defensive reaction, e.g., a defensive chemical reaction, against pest attack in a first plant are disclosed. The system comprises a lesion creation module for creating one or more physical microlesions in a plant part of a plant, preferably in a leaf, in a contact-free manner and a controller configured to control the lesion creation module, the controller being configured to cause the lesion creation module to create in a first plant part of a first plant one or more physical microlesions in order to induce the defensive reaction in the first plant.
A lighting system comprising power tracks and lighting panels. The lighting panels are mechanically supported by a set of at least two power tracks, and draw power from one or more power lines carried by the at least two power tracks.
: A subsystem (100) for connecting an end device (200) to a first network (300) or a second network (400) via optical wireless communication; wherein the first network (300) and the second network (400) are of different security and/or priority levels, the subsystem (100) comprising: a first communication interface (110) configured to provide connection to the first network (300); a second communication interface (120) configured to provide connection to the second network (400); an optical front end, OFE (130), comprising a light source (131) configured to emit optical data to the end device (200) and a light detector (132) configured to receive optical data from the end device (200); a combiner (140), connected between the light source (131) and the first and the second communication interfaces, configured to combine analog signals received from both the first and the second communication interfaces and to provide to the light source (131) for transmission; and a splitter (150), connected between the light detector (132) and the first and the second communication interfaces, configured to split analog signals received from the light detector (132) and to provide to either the first communication interface (110) or the second communication interface (120).
The invention provides a light generating device (100) comprising (i) n filaments (200), (ii) an power distribution unit (400), and (iii) electronics (500); wherein: (a) each of the n filaments (200) comprises one or more solid state light sources (10), wherein n≥1, wherein each of the n filaments (200) comprises at least m electrical contacts (221), wherein m≥2; and wherein the n filaments (200) are configured to generate filament light (201); (b) the power distribution unit (400) comprises k electrically conductive tracks (410) separated by electrically insulating material (420), wherein k≥2; (c) at least two of the electrical contacts (221) of the n filaments (200) are functionally coupled to at least two different electrically conductive tracks (410); (d) the at least two different electrically conductive tracks (410) are functionally coupled to the electronics (500); and (e) the electronics (500) comprise one or more of a control system, a driver, and a transformer.
A control system for configuring a plurality of lighting devices is disclosed. The control system comprises a communication unit configured to wirelessly communicate with a plurality of lighting devices, a configuration module configured to: for each lighting device of the plurality of lighting devices, group different segments of the plurality of individually controllable segments into different lighting control groups, and communicate, via one or more communication units, grouping information to each respective lighting device to cause the respective lighting device to store the respective grouping information in its memory, the grouping information being indicative of the respective lighting control groups into which the different segments have been grouped, and a control module configured to: communicate, via the one or more communication units, a broadcast command to the plurality of lighting devices, the broadcast command defining respective light settings for the respective lighting control groups.
The invention provides a luminescent arrangement (2000) comprising an array (2005) of luminescent bodies (2100), and a matrix (2210) at least partly configured between the luminescent bodies (2100), wherein the luminescent bodies (2100) comprise a first luminescent material (2110), wherein the matrix (2210) comprise a light transmissive material (2215), wherein the light transmissive material (2215) comprises a second luminescent material (2220), wherein the first luminescent material (2110) and the light transmissive material (2215) are different materials; and wherein the luminescent bodies (2100) comprise ceramic bodies.
F21V 9/32 - Elements containing photoluminescent material distinct from or spaced from the light source characterised by the arrangement of the photoluminescent material
F21V 9/40 - Elements for modifying spectral properties, polarisation or intensity of the light emitted, e.g. filters with provision for controlling spectral properties, e.g. colour, or intensity
An enclosure can include a first and second enclosure component, where the first enclosure component can include a first enclosure component side and a snap-fit fastener that extends from the first enclosure component side, where the snap-fit fastener comprises a body with an aperture that traverses therethrough. The second enclosure component can include a second enclosure component side and a ridge that protrudes from the second enclosure component side to form a cavity, where the ridge has a plurality of gaps along its top end. The second enclosure component can also include a catch that protrudes from the second enclosure component side, where the catch is positioned within the inner perimeter of the ridge, and where the catch is configured to be positioned within the aperture formed by the snap-fit fastener and abut against the snap-fit fastener when the snap-fit fastener is disposed within the cavity formed by the ridge.
A luminaire that produces two beams of light. First of light is generated and output, as a first light beam, from a first chamber of the luminaire. Second light is generated and output from a second chamber into a third chamber via an elongate component that performs beamshaping on the second light. The beamshaped second light is output from the third chamber as a second beam of light. An elongate component holder holds or supports the elongate component and provides at least part of the bounds for the first and second chambers.
F21S 4/28 - Lighting devices or systems using a string or strip of light sources with light sources held by or within elongate supports rigid, e.g. LED bars
F21S 8/04 - Lighting devices intended for fixed installation intended only for mounting on a ceiling or like overhead structure
F21V 5/04 - Refractors for light sources of lens shape
F21V 15/01 - Housings, e.g. material or assembling of housing parts
F21V 17/10 - Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages characterised by specific fastening means or way of fastening
A connector socket has a cylinder-shaped head with a substantially planar end face and a substantially cylindrical side wall. The end face has slots each for receiving an electrical connector pin and the side wall comprises a set of locking channels, each for receiving a locking lug. The locking channels each comprise an entry channel having a first end which opens at the end face and a second end opposite to the first end. Two side channels extend laterally in opposite directions from the second end of the entry channel. The locking channels thereby enable rotation of an attachment (e.g. external component or protective cap) during coupling in both directions. This reduces wear of the walls that define the locking channels.
H01R 13/625 - Casing or ring with bayonet engagement
H01R 33/76 - Holders with sockets, clips or analogous contacts, adapted for axially-sliding engagement with parallely-arranged pins, blades, or analogous contacts on counterpart, e.g. electronic tube socket
H01R 13/24 - Contacts for co-operating by abutting resiliently mounted
F21S 8/08 - Lighting devices intended for fixed installation with a standard
F21V 23/04 - Arrangement of electric circuit elements in or on lighting devices the elements being switches
A holder (100) comprising fastening means (110) configured to secure an optical transmitter for optical wireless communication; and a mechanical side shield (120) configured to shield a portion of a beam coverage zone of the optical transmitter with a straight cut.
The invention provides a light generating system (1000) comprising a first light generating device (110), a luminescent body (1200), a thermally conductive element (500), and an axicon-like optical element (400); wherein: (A) the first light generating device (110) is configured to generate first device light (111); the first light generating device (110) comprises one or more of a superluminescent diode and a solid state laser; (B) the luminescent body (1200) comprises a luminescent material (200) configured to convert at least part of the first device light (111) into luminescent material light (201); the luminescent body (1200) has an annular shape; (C) the thermally conductive element (500) (a) is configured in thermal contact with at least part of the luminescent body (1200), and (b) is reflective for one or more of the first device light (111) and the luminescent material light (201); (D) the axicon-like optical element (400) comprises a first part (410) and a second part (420), and has an optical element length (L); the first part (410) has a conical shape, a first length (L1), and comprises a first end window (411); the second part (420) has a cylindrical shape, a second length (L2), and comprises a second end window (422); wherein 0.7≤L2/L<1; and (E) the axicon-like optical element (400) is configured to: (a) receive at least part of the first device light (111) via the first part (410) and provide an annular beam of first device light (111) via the second part (420) to the luminescent body (1200), and (b) collect at least part of the luminescent material light (201) via the second part (420) and provide a beam of luminescent material light (201) via the first part (410).
A method and a control system 100 for controlling a plurality of lighting units 112, 114 are disclosed. The control system 100 comprises a communication unit 104 configured to communicate with the plurality of lighting units 112, 114, a user interface 102 configured to receive a first user input indicative of a selection of one or more colors for the plurality of lighting units 112, 114, a processor 106 configured to control the plurality of lighting units 112, 114 via the communication unit 104 according to the selected one or more colors, wherein the user interface 102 is configured to receive a second user input indicative of a selection of a value within a range of values, and wherein the processor 106 is configured to obtain a color palette associated with the selected one or more colors, to determine a color spread of colors of the color palette as a function of the value within the range of values, and to control the plurality of lighting units 112, 114 via the communication unit 104 according to a plurality of colors of the color spread.
The invention provides a light generating system (1000) comprising a solid state light source (100), a luminescent material element (210), a sensor element (400), and an electrical circuit (500), wherein: (a) the solid state light source (100) is configured to generate light source light (101), wherein the solid state light source (100) is functionally coupled to the electrical circuit (500); (b) the luminescent material element (210) comprises a luminescent material (200), wherein the luminescent material element (210) is configured in a light receiving relationship with the solid state light source (100), and wherein the luminescent material (200) is configured to convert at least part of the light source light (101) into luminescent material light (201); and (c) the sensor element (400) comprises a sensor component (410), wherein the sensor element (400) is comprised by the electrical circuit (500), wherein the sensor component (410) comprises a photo-resistor, wherein the photo-resistor has a variable resistance dependent on an extend of exposure to a light (11) selected from the group consisting of the laser light (100) and the luminescent material light (201).
A system (100) for analyzing mating behavior of an animal species, comprising: an image-capturing device (110) configured to capture a plurality of time-successive image frames, and a processor (120), wherein the system is configured to detect and track at least one male (130) and female (140) of an animal species, register a motion pattern (150) of at least one of the tracked male and the tracked female, compare the registered motion pattern with a predetermined motion pattern (160), determine the likelihood of an action associated with a mating behavior between the tracked male and the tracked female, and, based on the determined likelihood, capture, via the image-capturing device, a set of time-successive image frames, wherein each image frame set of time-successive frame comprises at least one of the tracked male and the tracked female, and register the motion pattern as a function of the captured set of time-successive image frames.
A system (1) for controlling one or more lighting devices (11-12) to render light effects determined based on media content, to accompany a rendering of the media content, is configured to detect whether one or more users (77, 78) are in an environment and if multiple users are detected to be in said environment, determine which user of the multiple users is nearest to the system based on shortrange wireless signals received from mobile devices (34, 35) of the multiple users and retrieve a user profile associated with the user nearest to the system. The user profile specifies user preferences. The system is further configured to determine the light effects based on the media content and the user preferences and control the one or more lighting devices to render the light effects.
A method for distinguishing user feedback on an image is disclosed. The method comprises providing an image of a scene comprising an environment, a luminaire design of a luminaire and a light effect of the luminaire in the environment, analyzing the image, determining a first saliency value for the luminaire design in the image, determining a second saliency value for the light effect in the image, wherein the second saliency value is different from the first saliency value. The method further comprises receiving the user feedback on the image and associating the user feedback with the luminaire design and/or the light effect based on the first and second saliency values.
An electrical device of an electrical system can include a communication module and a controller, where the controller is configured to receive a first communication, through the communication module, from a master controller over a default communication network, and where the first communication includes a first instruction. The controller can also be configured to determine that the first instruction falls outside acceptable operating parameters, and to generate a second instruction to replace the first instruction, where the second instruction falls within the acceptable operating parameters. The controller can further be configured to send, using the communication module, the second instruction to an additional electrical device over an alternative communication network, where the second instruction controls operation of the additional electrical device over subsequent communications from the master controller.
A lighting system (100), a method (700) and a computer program are provided. The lighting system comprises a light source (110), an input interface (120) configured to determine the intensity of ambient light (130) in an environment, a control unit (200) comprising a plurality of light control switches (300a-d) for operation by a user, wherein, in case of the ambient light intensity being below a first light intensity level (400), the control unit is configured to operate in a first mode (410) wherein each control switch is configured to switch on the light source, and wherein, in case of the ambient light intensity being above a second light intensity level (500), the control unit is configured to operate in a second mode (510) wherein each control switch of the plurality of control switches is associated with an individual control of at least one property of the emitted light.
The present invention relates to a method for joining at least two flexible foils (10a-b). The method comprises the steps of (i) providing a first flexible foil (10a) having a first row (12) of light emitting diodes (14) and a first set of electrically conductive tracks (16) for supplying current to the first row (12) of light emitting diodes (14), (ii) providing a second flexible foil (10b) having a second row (12) of light emitting diodes (14) and a second set of electrically conductive tracks (16) for supplying current to the second row (12) of light emitting diodes (14), and (iii) joining the first flexible foil (10a) and the second flexible foil (10b) at an overlap (22) of the first flexible foil (10a) and the second flexible foil (10b), wherein a metal strip or wire (24; 24′) gets embedded between the first flexible foil (10a) and the second flexible foil (10b) at the overlap, and wherein the metal strip or wire (24; 24′) electrically connects to the first and second sets of electrically conductive tracks (16).
F21S 8/04 - Lighting devices intended for fixed installation intended only for mounting on a ceiling or like overhead structure
F21V 23/00 - Arrangement of electric circuit elements in or on lighting devices
H01L 25/075 - Assemblies consisting of a plurality of individual semiconductor or other solid state devices all the devices being of a type provided for in the same subgroup of groups , or in a single subclass of , , e.g. assemblies of rectifier diodes the devices not having separate containers the devices being of a type provided for in group
51.
LIGHTGUIDE BASED LUMINAIRE FOR DISINFECTION AND ILLUMINATION
The invention provides a light generating system (1000) configured to provide system light (1001), wherein the light generating system (1000) comprises (i) a first light generating device (110), (ii) a second light generating device (120), and (iii) a waveguide (400), wherein:—the waveguide (400) has a first face (401), a second face (402), and a side face (403) bridging the first face (401) and the second face (402);—the first light generating device (110) is configured to generate first device light (111), wherein in an operational mode the first device light (111) has a color point in the visible; the first light generating device (110) is configured to irradiate the side face (403), wherein in an operational mode at least part of the first device light (111) escapes from the waveguide (400) via the first face (401); and—the second light generating device (120) is configured to generate second device light (121), wherein in an operational mode the second device light (121) has a centroid wavelength of at maximum 420 nm, and has a spectral power distribution differing from a spectral power distribution of the first device light (111); the second light generating device (120) is configured upstream of the second face (402); wherein in an operational mode at least part of the second device light (121) is transmitted through the waveguide (400) and escapes from the waveguide (400) via the first face (401).
A method of controlling a lighting unit in an area is disclosed. The method comprises: obtaining a charging status of a portable device, the charging status indicating whether the portable device is connected to a charger, receive a motion signal indicative of a motion of a user in the area, controlling, if the motion has been detected and if the portable device is connected to the charger, the lighting unit according to a first light setting, and controlling, if the motion has been detected and if the portable device is not connected to the charger, the lighting unit according to a second light setting.
A lighting arrangement (100), comprising a first solid state light source (110) arranged to emit visible light, a second solid state light source (130) arranged to emit second light of at least one of violet light and ultraviolet (UV) light, a reflector (140) comprising at least one light-reflecting surface (145), wherein the reflector at least partially encloses the first and second solid state light sources, and wherein at least part of the reflector defines a mixing chamber (150) for mixing the visible light and the second light, a light exit window (160), wherein the visible light and the second light mixed by the mixing chamber are arranged to exit the lighting arrangement through the light exit window, and a third solid state light source (170) arranged to emit UV light, wherein the third solid state light source is arranged outside the mixing chamber.
The invention provides a luminaire configured to be connected to a track of a track lighting system that is mounted to a mounting surface, wherein the luminaire comprises: a back surface facing the track when the luminaire is connected to said track; a planar light exit window arranged opposite to the back surface; a connector connected to the back surface and protruding a connector length away from the back surface, wherein the connector is configured to connect the luminaire mechanically and electrically to said track; at least one spacer element connected to the back surface and protruding a spacer length away from the back surface, wherein the at least one spacer element is configured to contact the mounting surface when the luminaire is connected to said track.
F21V 21/35 - Supporting elements displaceable along a guiding element with direct electrical contact between the supporting element and electric conductors running along the guiding element
55.
ONE STEP REMOVABLE WIRE MANAGER CONNECTION FOR INDOOR LUMINARIES
A hook device is attached to the inside of a luminaire's knockout plug such that the step of removing the knockout plug draws wires attached to the hook device out of the luminaire through the plug hole. This permits easy access to these wires for making connections with external wires. Conventional clamping devices can then be attached to secure the external wires to the luminaire and close up the plug hole.
A lighting device (1) is disclosed comprising a transmissive housing (3) and a filament (10) within said transmissive housing. The filament comprises a transmissive substrate (20) carrying a plurality of solid state lighting elements (30) and a phosphor containing resin coating (40) enveloping said filament. The resin coating includes at least one region (42) leaking light produced by said solid state lighting elements that is unconverted by said phosphor and the transmissive housing carries a further phosphor layer (7) covering part of the transmissive housing for each of said regions of the resin coating, each of said further phosphor layers being arranged to receive said unconverted light leaking from at least one of said regions. Also disclosed is a method of manufacturing such a lighting device.
F21K 9/232 - Retrofit light sources for lighting devices with a single fitting for each light source, e.g. for substitution of incandescent lamps with bayonet or threaded fittings specially adapted for generating an essentially omnidirectional light distribution, e.g. with a glass bulb
F21K 9/235 - Retrofit light sources for lighting devices with a single fitting for each light source, e.g. for substitution of incandescent lamps with bayonet or threaded fittings - Details of bases or caps, i.e. the parts that connect the light source to a fitting; Arrangement of components within bases or caps
F21K 9/64 - Optical arrangements integrated in the light source, e.g. for improving the colour rendering index or the light extraction using wavelength conversion means distinct or spaced from the light-generating element, e.g. a remote phosphor layer
The invention refers to a system for controlling a radiofrequency sensing of a network 100. The network is adapted to perform different radiofrequency sensing modes, e.g. RSSI-, CSSI- or Doppler based modes. The system 130 comprises a providing unit 131 for providing environmental information, wherein the environmental information is indicative of a physical property of one or more surfaces in an environment of the network. A selecting unit 132 is adapted for selecting and/or modifying a radiofrequency sensing mode to be performed by the network, wherein the radiofrequency sensing mode is selected and/or modified based on the environmental information, and a controlling unit 133 is adapted for controlling the network 100 to perform the selected and/or modified sensing mode Taking the physical properties of surfaces in an environment into account and modifying and/or selecting the utilized radiofrequency sensing mode accordingly increases the reliability and the accuracy of the radiofrequency sensing.
G01S 5/02 - Position-fixing by co-ordinating two or more direction or position-line determinations; Position-fixing by co-ordinating two or more distance determinations using radio waves
G01S 7/00 - 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 , ,
G01S 13/86 - Combinations of radar systems with non-radar systems, e.g. sonar, direction finder
G01S 13/87 - Combinations of radar systems, e.g. primary radar and secondary radar
The invention provides a track-lighting system comprising: (i) an elongated power track extending in a longitudinal direction along a longitudinal axis, wherein the elongated power track comprises: a tubular profile extending in said longitudinal direction, wherein the tubular profile comprises an inner surface, an outer surface, and a slot extending in said longitudinal direction, wherein the inner surface is accessible through said slot; an 5 inner track arranged on said inner surface and extending in said longitudinal direction; an outer track arranged on said outer surface and extending in said longitudinal direction; (ii) a lighting device; wherein the lighting device comprises an inner track-connector configured to connect the lighting device mechanically and electrically to said inner track; (iii) a panel; wherein the panel comprises an outer track-connector configured to connect the panel 10 mechanically to said outer track.
F21S 8/06 - Lighting devices intended for fixed installation intended only for mounting on a ceiling or like overhead structure by suspension
F21V 21/35 - Supporting elements displaceable along a guiding element with direct electrical contact between the supporting element and electric conductors running along the guiding element
G02B 6/00 - Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
61.
A METHOD FOR MIGRATING NODES IN A DISTRIBUTED NETWORK TO A CENTRALIZED NETWORK
A method (500) for migrating two or more nodes (400) in a distributed wireless network to a centralized wireless network, the method (500) comprising the steps of receiving (S501) by a first bridge device (200) configuration information about the distributed wireless network from a second bridge device (300) in the distributed wireless network; accessing (S502) the distributed wireless network by the first bridge device (200) based on the received configuration information; querying (S503) the two or more nodes (400) in the distributed wireless network by the first bridge device (200) to collect topology information among the two or more nodes (400); determining (S504) by the first bridge device (200) a sequence list for requesting the two or more nodes (400) to join the centralized wireless network based on the topology information; informing (S505) the two or more nodes (400) to join the centralized wireless network according to the sequence list.
The invention provides a light generating system (1000) comprising one or more primary solid state light sources (50), one or more secondary solid state light sources (60), a first luminescent material arrangement (1210), a second luminescent material arrangement (1220), and a control system (300), wherein: (A) the one or more primary solid state light sources (50) are configured to generate primary light (51); (B) the one or more secondary solid state light sources (60) are configured to generate secondary light (61); (C) the first luminescent material arrangement (1210) is configured in a light receiving relationship with at least one primary solid state light source (50) and is configured to convert at least part of the primary light (51) of the at least one primary solid state light source (50) into first luminescent material arrangement light (1211); wherein when the at least one primary solid state light source (50) alone irradiates the first luminescent material arrangement (1210) a first spectral power distribution, comprising the primary light (51) (of the at least one primary solid state light source (50)) and the first luminescent material arrangement light (1211), is obtained; (D) the second luminescent material arrangement (1220) is configured in a light receiving relationship with at least one (other) primary solid state light source (50) and is configured to convert at least part of the primary light (51) into second luminescent material arrangement light (1221); wherein when the at least one (other) primary solid state light source (50) alone irradiates the second luminescent material arrangement (1220) a second spectral power distribution, comprising the primary light (51) and the second luminescent material arrangement light (1221), is obtained; (E) the first spectral power distribution and the second spectral power distribution have v' values differing at least 0.02; wherein the first spectral power distribution has a first color point outside 10 standard deviation of color matching (SDCM) from the black body locus, and wherein the second spectral power distribution has a second color point outside 10 standard deviation of color matching (SDCM) from the black body locus.
H01L 25/075 - Assemblies consisting of a plurality of individual semiconductor or other solid state devices all the devices being of a type provided for in the same subgroup of groups , or in a single subclass of , , e.g. assemblies of rectifier diodes the devices not having separate containers the devices being of a type provided for in group
H01L 33/00 - SEMICONDUCTOR DEVICES NOT COVERED BY CLASS - Details thereof
H01L 33/10 - SEMICONDUCTOR DEVICES NOT COVERED BY CLASS - Details thereof characterised by the semiconductor bodies with a light reflecting structure, e.g. semiconductor Bragg reflector
63.
LIGHT FIXTURE INCLUDING ENVIRONMENTAL INGRESS PROTECTION MEANS
A lighting fixture (100) is disclosed that includes an upper housing (101) that includes an electrical component (107) and a lower housing (102) that includes a lighting module (104) that is electrically coupled to the electrical component (107) using a wire positioned in a wire channel. A first seal (200) including a wire pathway (201) and a slit (202) can be positioned with a first orientation in the wire channel (110) and allow the wire to pass there through using the wire pathway (201) and the slit (202). When the first seal (200) is positioned with the first orientation in the wire channel (110) the possibility of water penetration into one or both of the upper housing (101) or the lower housing (102) via the wire channel (110) is reduced. The first seal (200) can be positioned with a second orientation in the wire channel (110) so that the wire pathway (201) is perpendicular to the wire channel (110) when no wire is needed. The lighting fixture (100) may also include a wire tunnel (109) formed between the upper housing (101) and the lower housing (102) and including an aperture (111) at one end through which the wire passes there through. A second seal can be positioned in the aperture (111) and allow the wire to pass there through the aperture (111). The wire is compressed between a side of the second seal (300) and the aperture (111).
The invention provides a LED filament device (1000) configured to generate LED filament device light (1001), wherein the LED filament device (1000) comprises a LED filament (1100), wherein the LED filament (1100) comprises a plurality of light generating devices (100), each comprising a solid state light source (10), wherein the plurality of light generating devices (100) comprises a first set of n1 first light generating devices (110) configured to generate red first device light (111), a second set of n2 second light generating devices (120) configured to generate blue second device light (121), and a third set of n3 third light generating devices (130) configured to generate green third device light (131), wherein at least part of a total number n2 of the second light generating devices (120) of the second set are configured neighboring to first light generating devices (110) of the first set, wherein at least part of a total number n3 of the third light generating devices (130) of the third set are configured neighboring to first light generating devices (110) of the first set, wherein a total number n1 of the first light generating devices (110) is larger than the total number n2 of second light generating devices (120), wherein the total number n1 of the first light generating devices (110) is larger than a total number n3 of third light generating devices (130), wherein in a first operational mode the LED filament device (1000) is configured to generate filament device light (1001) having a correlated color temperature of at maximum 2500 K, wherein the filament device light (1001) comprises the red first device light (111) of the first set of n1 first light generating devices (110), the blue second device light (121) of the second set of n2 second light generating devices (120), and the green third device light (131) of the third set of n3 third light generating devices (130).
F21K 9/232 - Retrofit light sources for lighting devices with a single fitting for each light source, e.g. for substitution of incandescent lamps with bayonet or threaded fittings specially adapted for generating an essentially omnidirectional light distribution, e.g. with a glass bulb
The present invention relates to a lighting device (1) comprising a luminous panel (2) comprising a light-emitting surface (3), a cover surface (4) arranged at a distance from the light-emitting surface (3), and at least one lateral surface (5) connecting the light-emitting surface (3) and the cover surface (4). The lighting device (1) further comprises a power track (6) being integrated in the luminous panel (2).
F21S 8/00 - Lighting devices intended for fixed installation
F21V 21/35 - Supporting elements displaceable along a guiding element with direct electrical contact between the supporting element and electric conductors running along the guiding element
66.
SYSTEM FOR CONTROLLING A SOUND-BASED SENSING FOR SUBJECTS IN A SPACE
The present invention refers to a system (110) for controlling a sound-based sensing of subjects (120) in a space, wherein the sensing is performed by a network (100) of network devices (102,103,104) distributed in the space. At least one network device comprises a generating unit and a plurality of network devices located differently from the generating unit comprising a detecting unit. The system comprises a controlling unit (111) for controlling the at least one generating unit to generate a predetermined sound and the plurality of detecting units to detect the sound after a multi-channel propagation through at least a portion of the space and to generate a sensing signal indicative of the detected sound, and a determination unit (113) for determining a status and/or position of at least one subject in the space based on the plurality of sensing signals.
In accordance with example systems and methods, an equipment can be operable to emit, using a light emitting device (e.g., an LED), coded light. The coded light can be captured by a camera in the form of image data. The image data can be processed and to data related to the equipment, such as a hardware information, version of software associated with the equipment, status, settings, and other equipment data.
In accordance with example systems and methods, a data processing device can analyze the thermal images captured from an overhead thermal sensor to determine which of the thermal images exhibit a thermal pattern consistent with that of a human. The data processing device can determine a posture that is indicative of whether a person associated with the thermal image is sitting or standing, and can determine a directionality of the person based on the posture and an axis of a defined ellipse corresponding to the thermal image.
G06V 40/10 - Human or animal bodies, e.g. vehicle occupants or pedestrians; Body parts, e.g. hands
G06T 7/70 - Determining position or orientation of objects or cameras
G06V 10/14 - Optical characteristics of the device performing the acquisition or on the illumination arrangements
G06V 10/22 - Image preprocessing by selection of a specific region containing or referencing a pattern; Locating or processing of specific regions to guide the detection or recognition
G06V 10/26 - Segmentation of patterns in the image field; Cutting or merging of image elements to establish the pattern region, e.g. clustering-based techniques; Detection of occlusion
G06V 10/762 - Arrangements for image or video recognition or understanding using pattern recognition or machine learning using clustering, e.g. of similar faces in social networks
69.
OPTIMIZING DETECTION PERFORMANCE OF RADIO FREQUENCY BASED SENSING
The present invention relates to a radio frequency (RF) system with multiple nodes (34, 36, 38, 44, 46, 48) and a method for optimizing detection performance for performing RF-based sensing in a sensing area (32) based on RF system configuration parameters. An RF system configuration parameter of the RF system configuration parameters which affects detection performance of the RF-based sensing the most is determined. The RF system configuration parameter which affects detection performance of the RF-based sensing the most is then adjusted in order to optimize the detection performance of RF-based sensing. A root cause for a diminished detection performance and the respective RF system configuration parameter for mitigating it may be determined based on current context. For optimizing the detection performance, for example, settings of sensing parameters of the nodes (34, . . . , 48) may be adjusted or the nodes (34, . . . , 38) may be moved, removed, added, or replaced.
The present invention relates to a shelf (10) for a UV-C disinfection chamber (12) comprising at least one UV-C light source (24) adapted to emit UV-C radiation (22) inside the UV-C disinfection chamber, the shelf comprising: a metal mesh shelf plate (14); and at least one optical element (26), wherein each optical element of the at least one optical element is adapted to locally modify the UV-C radiation relative to an object (28) supported by the shelf in conjunction with the optical element when the shelf is placed inside the UV-C disinfection chamber.
An augmented reality-based lighting design method includes displaying, by an augmented reality device, a real-time image of a target physical area on a display screen. The method further includes displaying, by the augmented reality device, a lighting fixture 3-D model on the display screen in response to a user input, where the lighting fixture 3-D model is overlaid on the real-time image of the target physical area. The method also includes displaying, by the augmented reality device, a lighting pattern on the display screen overlaid on the real-time image of the target physical area, wherein the lighting pattern is generated based on at least photometric data associated with the lighting fixture 3-D model.
H04L 41/22 - Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks comprising specially adapted graphical user interfaces [GUI]
H04L 67/12 - Protocols specially adapted for proprietary or special-purpose networking environments, e.g. medical networks, sensor networks, networks in vehicles or remote metering networks
H05B 47/175 - Controlling the light source by remote control
According to one aspect disclosed herein, there is provided a client device for use in an optical wireless communications network, the client device comprising a transceiver configured to receive data via an optical wireless connection. The transceiver comprises an upward facing optical transducer configured to detect or transmit an optical wireless transmission, the sensor arranged to have a coverage area with at least two 5 concentric segments. A portion of the sensor is configured to provide an outermost segment of the at least two concentric segments.
A lighting assembly (10), including a housing (100), a trim assembly (200), a housing magnet (300), and a trim magnet (400), is provided. The housing (100) includes a cavity (102) extending along a central axis (A1). The trim assembly (200) inserts into the cavity (102). The housing magnet (300) is mounted in the cavity (102). A first pole (302) having a first polarity (P1) of the housing magnet (300) is oriented towards the central axis (A1). The trim magnet (400) is mounted to the trim assembly (200). A first pole (402) of the trim magnet (400) is oriented away from the central axis (A1) of the housing (100). The first pole (402) of the trim magnet (400) has the first polarity (P1) to repel the housing magnet (302). The first pole (302) of the housing magnet (300) repels the first pole (402) of the trim magnet (400) in a first direction (D1) when the housing magnet (300) is above the trim magnet (400), and in a second direction (D2) when the housing magnet (300) is below the trim magnet (400) to retain the trim assembly (200).
F21V 17/10 - Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages characterised by specific fastening means or way of fastening
F21S 8/02 - Lighting devices intended for fixed installation of recess-mounted type, e.g. downlighters
F21V 15/01 - Housings, e.g. material or assembling of housing parts
A light emitting diode, LED, filament lamp (100), comprising at least one LED filament (120, 120a, 120b) having abase portion (210) and a top portion (22) extending over a length, L, along a longitudinal axis, A, wherein the LED filament comprises an array of a plurality of light emitting diodes, LEDs, (140) extending along the longitudinal axis A. An encapsulant (145) at least partially enclosing the plurality of LEDs, wherein the encapsulant comprises a luminescent material (150). The linear array of LEDs (140) comprising a plurality N of blue LEDs (106) emitting blue light and a plurality of M red LEDs (107) emitting red light, the linear array of LEDs (140) comprising a density of blue LEDs and a density of red LEDs, The density of blue LEDs decreases and/or the density of red LEDs increases from the base portion (210) to the top portion (220) along at least a portion of the length (L), whereby the color temperature, CTL, of the light emitted from the at least one LED filament decreases from the base portion (210) to the top portion (220) over at least a portion of the length of the at least one LED filament.
F21S 10/04 - Lighting devices or systems producing a varying lighting effect simulating flames
F21K 9/64 - Optical arrangements integrated in the light source, e.g. for improving the colour rendering index or the light extraction using wavelength conversion means distinct or spaced from the light-generating element, e.g. a remote phosphor layer
76.
REQUESTING A LIGHTING DEVICE TO CONTROL OTHER LIGHTING DEVICES TO RENDER LIGHT EFFECTS FROM A LIGHT SCRIPT
A system (1) for causing at least one of a plurality of lighting devices (31-35) to render light effects specified in a light script is configured to determine for each respective light effect of the light effects an allocation of the respective light effect to one or more first lighting devices (31-33) of the plurality of lighting devices, select, from the plurality of lighting devices, a second lighting device (34) to which none of the light effects has been allocated, and transmit a request to the second lighting device. The request requests the second lighting device to control the one or more first lighting devices to render the light effects and defines light effects for the one or more first lighting devices as specified in the light script.
The invention relates to a retractable lighting fixture, comprising an elongated drum rotatable over a length axis; and a flexible multilayer lighting sheet movable between a retracted position and a protracted position, with the multilayer lighting sheet in the retracted position being at least partially retracted in one or more windings around the drum and with the multilayer lighting sheet in the protracted position being fully unwound from the drum; the multilayer lighting sheet being composed of at least one LED layer and at least one diffusing optical layer, the at least one LED layer having a first LED layer edge mounted at a first mounting position of the drum and the at least one diffusing optical layer having a first optical layer edge mounted at a second mounting position of the drum, the first mounting position being located at an arc length from the second mounting position.
G09F 13/04 - Signs, boards, or panels, illuminated from behind the insignia
G09F 11/08 - Indicating arrangements for variable information in which the complete information is permanently attached to a movable support which brings it to the display position the display elements being secured to rotating members, e.g. drums, spindles the elements being flexible sheets
78.
A CONTROL CIRCUIT FOR DETECTING AN INTERRUPTION OF THE INPUT POWER
It is provided a control circuit used with an appliance (40) with a power supply unit (PSU) that receives an input power (AC) and provides an output voltage (VBUS) to a variable load (LED), comprises a detection circuit adapted to detect a drop in the output voltage (VBUS) and determine an interruption of the input power (AC) accordingly, and a configuring circuit adapted to configure the appliance according to the determined interruption of the input power (AC), characterized in that said detection circuit is adapted to detecting a power level of the load (LED); and determine the interruption of the input power if the output voltage (VBUS) drops below a first threshold (Vth1) in case that the power level of the load is at a first level (25%); determine the interruption of the input power if the output voltage (VBUS) drops below a second threshold (Vth2) in case that the power level of the load is at a second level (50%); wherein the first level (25%) and the second level (50%) are different, and the first threshold (Vth1) and the second threshold (Vth2) are different.
A system for predictive queue management of a monitored area, including a controller having a processor and sensors installed within a connected lighting system at optimal locations, is provided. The optimal locations are generated by a sensor selection model based on selection training data and potential sensor locations. The sensors capture optimized sensor data corresponding to individuals in the monitored area, and may include PIR sensors, SPT sensors, and/or RF sensors. The processor then generates, based on the optimized data and a forecasting model, a queue volume prediction including a number of individuals that will need a service in the monitored area during a predetermined future time window. The processor then generates, based on recommender inputs including at least the queue volume prediction, a recommendation including a number of queues needed to process the queue volume prediction.
A recessed lighting fixture (100) is disclosed that includes a light module (101) that includes a light source, a heat sink (200) thermally coupled to the light module (101), the heat sink including one or more embossments (207); and a trim assembly (300). The trim assembly (300) can be removably coupled to the light module (100). The trim assembly (300) includes a top edge (302) defining a first opening and a bottom edge (303) defining a second opening that is disposed below the first opening, a body (305) extending from the top edge (302) to the bottom edge (303), and a retention assembly (400). The retention assembly (400) includes a tension spring (402), one or more arms (401) extending from the tension spring (402) and one or more tab brackets (404). When the trim assembly is mechanically coupled to the light module the one or more tabs brackets (404) mate with the one or more embossments (207) on the heat sink (200) and the one or more tabs brackets (404) lock into place when the one or more arms (401) extending from the torsion spring (402) are biased outwards toward the bottom edge (303) of the trim (300) in the mounting position, the lighting fixture (100) is held in place to reduce or prevent any rotation or shifting. The one or more arms (401) extending from the torsion spring (402) are biased outwards toward the bottom edge (303) and act like mouse trap spring to removable hold the lighting fixture (100) in a mounting position.
F21S 8/02 - Lighting devices intended for fixed installation of recess-mounted type, e.g. downlighters
F21V 17/10 - Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages characterised by specific fastening means or way of fastening
The invention provides a photoreactor assembly (1000) comprising (i) a light source arrangement (700), (ii) a photochemical reactor (200), and (iii) an induction based electrical power system (800); wherein: - the light source arrangement (700) comprises one or more light sources (10), wherein the one or more light sources (10) are configured to generate light source radiation (11) selected from one or more of UV radiation, visible radiation, and IR radiation; wherein the light sources (10) comprise solid state light sources; - the photochemical reactor (200) comprises a reactor chamber (210) configured to host a first fluid (5) to be treated with the light source radiation (11); wherein the reactor chamber (210) is configured in a light-receiving relationship with the one or more light sources (10); - the photochemical reactor (200) comprises a spinning disk reactor (201), wherein the spinning disk reactor (201) comprises a disk (250) at least partly configured in the reaction chamber (210); - the induction based electrical power system (800) comprises an electrical power transmitter-receptor pair (810), which comprises an electrical power transmitter (820) and an electrical power receptor (830), wherein the electrical power receptor (830) is functionally coupled to the light source arrangement (700).
B01J 19/12 - Processes employing the direct application of electric or wave energy, or particle radiation; Apparatus therefor employing electromagnetic waves
82.
A METHOD OF AND A DEVICE FOR OPERATING A FALL DETECTION SYSTEM AND A FALL DETECTION SYSTEM
A method of operating a fall detection system is disclosed. The system comprises at least one fall detection sensor communicatively connected to an alarm device. The fall detection system is configured to have a particular operating mode of raising no alarm when a specified activity is detected by the at least one fall detection sensor. The method comprises the steps of: actuating the particular operating mode of the fall detection system; controlling the fall detection sensor to monitor activities of the user; exiting the particular operating mode of the fall detection system when no activity is detected for a defined period of time.
The present invention relates to a method for manufacturing a 3D item by means of fused deposition modelling, the method comprising the steps of: a) providing a 3D printable material in the form of at least one elongated strip (1) having a first longitudinal extension (L1), a first transverse extension (W1) being substantially perpendicular to the first longitudinal extension (L1) and a first height (T1) being substantially perpendicular to the first longitudinal extension (L1) and the first transverse extension (W1), the 3D printable material comprising at least one thermoplastic polymer; b) shaping, by means of at least one of twisting and rolling around an axis parallel to the first longitudinal extension (L1), the at least one elongated strip (1) into a 3D printable filament (2) having a second longitudinal extension (L2), a second transverse extension (W2) being substantially perpendicular to the second longitudinal extension (L2) and a second height (T2) being substantially perpendicular to the second longitudinal extension (L2) and the second transverse extension (W2); c) feeding the 3D printable filament (2) to a printer head (500) of a 3D printer (400); d) melting the 3D printable filament in the printer head (500) of the 3D printer (400); and e) layer-wise depositing the 3D printable material to provide the 3D item comprising a plurality of layers of 3D printed material.
B29C 64/118 - Processes of additive manufacturing using only liquids or viscous materials, e.g. depositing a continuous bead of viscous material using filamentary material being melted, e.g. fused deposition modelling [FDM]
B33Y 30/00 - ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING - Details thereof or accessories therefor
B33Y 40/00 - Auxiliary operations or equipment, e.g. for material handling
B33Y 70/00 - Materials specially adapted for additive manufacturing
A lamp (100) having a housing (130) with a translucent or transparent portion (133). The housing encloses a light emitting arrangement (110) and supports a lens (120) that covers a light exit window (131) of the housing (130). The width of the lens is greater than the width of the light exit window. A transmissive (i.e., translucent or transparent) portion (133) of the housing (130) is configured to transmit light through to the lens (120).
F21K 9/233 - Retrofit light sources for lighting devices with a single fitting for each light source, e.g. for substitution of incandescent lamps with bayonet or threaded fittings specially adapted for generating a spot light distribution, e.g. for substitution of reflector lamps
F21K 9/69 - Optical arrangements integrated in the light source, e.g. for improving the colour rendering index or the light extraction - Details of refractors forming part of the light source
F21V 13/04 - Combinations of only two kinds of elements the elements being reflectors and refractors
A light emitting diode, LED, filament arrangement (100, 400, 510), comprising an elongated LED filament (150) comprising an array of a plurality of light emitting diodes (110, 410), LEDs, and a carrier (240) arranged to support the plurality of LEDs. The LED filament arrangement further comprises a heat sink (250), wherein the LED filament is arranged upon the heat sink. The LED filament comprises a center axis, A, and elongates in a meandering shape in a first plane, P, wherein at least one of the LED filament and the heat sink is convex-shaped with respect to the center axis, A, along at least a first segment (120, 320) of the LED filament, and at least one of the LED filament and the heat sink is concave-shaped with respect to the center axis, A, along at least a second segment (130, 330) of the LED filament.
A system (2000) for the production of a curved optical window (400) from an (elongated) polymeric body (1400), wherein the system (2000) comprises a set of first roller elements (410), an actuator system (500), a heating system (700), and a control system (1500); wherein the first roller elements (410) have rotational axes (A1) (wherein the first roller elements (410) are configured tiltable), wherein the rotational axes (A1) have a controllable mutual angle (α1); wherein the actuator system (500) is configured to control (i) the mutual angle (α1) and (ii) a rotational speed of at least one of the first roller elements (410); wherein the heating system (700) is configured to heat the (elongated) polymeric body (1400); wherein the control system (1500) is configured to control the actuator system (500) and the heating system (700) such that at least part of the (elongated) polymeric body (1400), while being transported between the first roller elements (410), is heated (with the heating system (700)) and bent (by controlling the mutual angle (α1) and the rotational speed) into the curved optical window (400).
B29C 53/04 - Bending or folding of plates or sheets
B29C 43/04 - Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor of articles of definite length, i.e. discrete articles using movable moulds
The invention relates to a semiconductor device comprising a semiconductor switching element, a semiconductor device package for encapsulating the semiconductor switching element, a first electrode for providing a first voltage to the semiconductor switching element, a second electrode for providing a second voltage to the semiconductor switching element, wherein the first voltage is larger than the second voltage when the semiconductor switching element is open, wherein the first electrode and the second electrode are mounted on one side of the semiconductor device package and are adapted to be soldered to a printed circuit board, wherein the semiconductor device further comprises a first shield electrode, wherein the shield electrode is placed between the first electrode and the second electrode, and wherein the shield electrode is coupled to a third voltage that is smaller than the first voltage and larger than the second voltage and placed such that a creepage distance between the first electrode and the second electrode is increased.
An LED luminaire (100), comprising: an LED driver (110) for powering a light emitting arrangement; a support (120) for the LED driver; a mounting arrangement (130) for securing the LED driver to the support; and a covering element (150) configured to movably cover and uncover the LED driver; wherein the mounting arrangement comprises a driver movement system (140) configured to move the LED driver away from the support and towards the covering element responsive to the covering element moving to cover the LED driver.
F21V 17/00 - Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages
F21V 23/00 - Arrangement of electric circuit elements in or on lighting devices
F21V 29/508 - Cooling arrangements characterised by the adaptation for cooling of specific components of electrical circuits
89.
A METHOD FOR MIGRATING NODES IN A DISTRIBUTED NETWORK TO A CENTRALIZED NETWORK
A method (500) for migrating two or more nodes (400) in a distributed wireless network to a centralized wireless network, the method (500) comprising the steps of sending (S501) one or more parameters related to the centralized wireless network by a first bridge device (200) in the centralized wireless network to a second bridge device (300) in the distributed wireless network; collecting (S502) topology information among the two or more nodes (400) by querying the two or more nodes (400) in the distributed wireless network; determining (S503) a sequence list for requesting the two or more nodes (400) to join the centralized wireless network based on the topology information; requesting (S504) the two or more nodes (400) to join the centralized wireless network according to the sequence list.
H04W 4/80 - Services using short range communication, e.g. near-field communication [NFC], radio-frequency identification [RFID] or low energy communication
H04W 40/24 - Connectivity information management, e.g. connectivity discovery or connectivity update
90.
LIGHTING CONTROL DEVICE WITH AIR GAP SWITCH CONTROLLED OUTPUT
A lighting control device includes a lighting control circuit and an air gap switch electrically connected to the lighting control circuit. When the air gap switch is closed, the lighting control circuit is configured to provide a controlled output power at a first output terminal of the lighting control device based on an input power received by the air gap switch via an input terminal of the lighting control device. The air gap switch is electrically connected to a second output terminal of the lighting control device such that, when the air gap switch is closed, a bypass output power is provided via the second output terminal independent of the lighting control circuit.
B29C 64/118 - Processes of additive manufacturing using only liquids or viscous materials, e.g. depositing a continuous bead of viscous material using filamentary material being melted, e.g. fused deposition modelling [FDM]
B33Y 30/00 - ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING - Details thereof or accessories therefor
B33Y 50/02 - Data acquisition or data processing for additive manufacturing for controlling or regulating additive manufacturing processes
The invention provides a method for producing a 3D item (1) by means of fused deposition modelling, the method comprising a 3D printing stage using a fused deposition modeling 3D printer (500) for layer-wise depositing 3D printable material (201) to provide the 3D item (1) comprising a layer (322) of 3D printed material (202); wherein the 3D printer (500) comprises an extruder section (510), a nozzle section (520) configured downstream of the extruder section (510), a first feeder (530), and a second feeder (540); wherein the nozzle section (520) comprises a core-shell nozzle (502) comprising (i) a nozzle core (521), configured downstream of the extruder section (510), and (ii) a nozzle shell (522) (not configured downstream of the extruder section (510)); wherein the first feeder (530) is configured to feed particulate material (531) comprising a first 3D printable material (1201), to the extruder section (510), wherein the first 3D printable material (1201) comprises a first material (1211); wherein the second feeder (540) is configured to feed a filament (320) comprising second 3D printable material (2201) to the nozzle shell (522), wherein the second 3D printable material (2201) comprises a second material (2211), different from the first material (1211); wherein the 3D printing stage comprises: feeding the particulate material (531) to the extruder section (510) and feeding the filament (320) to the nozzle shell (522); generating a core-shell extrudate (321) via the core-shell nozzle (502) and; depositing the core-shell extrudate (321) to provide the 3D printed material (202) comprising a core (330) and a shell (340), at least partly enclosing the core (330), wherein the core (330) comprises the first material (1211), and wherein the shell (340) comprises the second material (2211).
B29C 64/118 - Processes of additive manufacturing using only liquids or viscous materials, e.g. depositing a continuous bead of viscous material using filamentary material being melted, e.g. fused deposition modelling [FDM]
B33Y 30/00 - ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING - Details thereof or accessories therefor
B33Y 70/00 - Materials specially adapted for additive manufacturing
B33Y 80/00 - Products made by additive manufacturing
In an optical wireless communication, OWC, network (100), time division multiple access, TDMA, is commonly used for interference suppression among multiple network devices (D1-Dn) associated to a single coordinator, or among adjacent coordinators (C1-Cn). However, an offset of MAC cycles among two adjacent coordinators (C1-C2) may still result in interference to a network device (D1) located in the overlapping area of the coverage areas of these two adjacent coordinators (C1-Cn). This invention is directed to various methods, apparatus, systems, computer program and computer-readable media for providing a mechanism to make use of an out-of-band channel to send a signal from a network device (D1) to the two adjacent coordinators (C1-C2), for assisting the alignment of MAC cycles among the two adjacent coordinators (C1-C2), and the out-of-band channel has a line-of-sight character, and is out-of-band as compared to the OWC network (100).
A light fixture (100) includes a carriage (104), a hood (102) rotatably attached to the carriage (104), and a light engine (150, 900, 1108) that includes a plate (110, 902) and a light module (112, 926). The light module (112, 926) is attached to the plate (110, 902), and the plate (110, 902) is rotatably attached to the carriage (104).
F21S 8/08 - Lighting devices intended for fixed installation with a standard
F21V 17/10 - Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages characterised by specific fastening means or way of fastening
F21V 19/00 - Fastening of light sources or lamp holders
F21V 23/00 - Arrangement of electric circuit elements in or on lighting devices
95.
A DISINFECTION SYSTEM COMPRISING AN OPTICAL ARRANGEMENT FOR A FAR UV LIGHT SOURCE TO FILTER OUT UNDESIRED WAVELENGTHS
The invention provides a radiation generating system comprising a radiation unit, wherein the radiation unit comprises a light source, a first collimator, and an optical arrangement, wherein: (a) the light source is configured to generate light source radiation having a first spectral power distribution having an intensity I1,1 at a first wavelength λ1 and an intensity I1,2 at a second wavelength λ2; (b) the first collimator is configured in a light receiving relationship with the light source, wherein the first collimator is configured to collimate the light source radiation into collimated light source radiation; (c) the optical arrangement is configured downstream of the first collimator and is configured to convert the collimated light source radiation into arrangement radiation; wherein the arrangement radiation is collimated relative to the collimated light source radiation; wherein the optical arrangement comprises a second collimator and an optical filter, wherein: (i) the second collimator is configured downstream or upstream of the optical filter; (ii) the optical filter has a higher transmission for the first wavelength λ1 than for the second wavelength λ2 when irradiated under a predefined angle; (iii) the first wavelength λ1 is selected from the range of 190-230 nm and the second wavelength λ2 is selected from the range of 100-190 nm or 230-280 nm; and (iv) the second collimator is at least partly defined by a plurality of light radiation transmissive channels, wherein the radiation transmissive channels are defined by channel walls which comprise a light absorbing material, wherein the light absorbing material is configured to absorb at least part of the collimated light source radiation received by the light absorbing material.
A printed circuit board formed of at least two layers. A first layer is thermally conductive and a second layer is thermally insulating. Both layers provide structural support and/or mechanical rigidity to the printed circuit board. A planar antenna is provided on the second layer.
A system (1) for controlling a lighting device (11-12) to render adjusted light effects in relation to audio and/or video content while a media rendering device (23) renders this content is configured to receive one or more input signals, determine light effects based on the input signals, identify one or more settings which have not been adjusted by a user of the system in relation to the audio and/or video content, and determine one or more values for the settings based on the input signals. The values are based on adjustments made by one or more users of one or more other systems (48,49) to the settings in relation to the audio and/or video content. The system is further configured to adjust the light effects based on the values and control the lighting device to render the adjusted light effects.
H05B 47/12 - Controlling the light source in response to determined parameters by determining the presence or movement of objects or living beings by detecting audible sound
H04N 21/43 - Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronizing decoder's clock; Client middleware
H04N 21/439 - Processing of audio elementary streams
The present invention relates to performing radio frequency based sensing based on channel state information (CSI), received signal strength indicator (RSSI), or a combination thereof based on a current context. A current context for performing radio frequency based sensing is determined and at least one of two nodes (26, 28, 30) of a radio frequency system (100) is configured for performing radio frequency based sensing based on CSI, RSSI, or a combination thereof based on the current context. The current context may be determined in real time. This may allow improving detection performance and/or reducing energy consumption in real time.
H04W 4/38 - Services specially adapted for particular environments, situations or purposes for collecting sensor information
H04B 7/06 - Diversity systems; Multi-antenna systems, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station
The invention refers to an apparatus (140) for controlling a lighting system (100) comprising a plurality of lights (110, 120, 130), wherein the lighting system is adapted to perform a hidden sensing, like radiofrequency sensing, in a sensing region (150). The apparatus comprises a sensing activity information providing unit (141) adapted to provide sensing activity information indicative of a hidden sensing activity of the lighting system (100), a notification mode selection unit (142) adapted to select a notification mode for notifying a person of the hidden sensing activity, wherein the selection is based on the provided sensing activity information and wherein each notification mode refers to a visual feedback, and a lighting system controlling unit (143) adapted to control at least two lights of the lighting system based on the selected notification mode to provide the visual feedback. The invention allows to notify a user of a hidden sensing.
A method comprises, in a learning mode, learning (101) a state of one or more portable devices at a start time associated with a routine for a plurality of executions of the routine over a period of time based on received signals and determining (103) one or more expected states of the one or more portable devices at the start time associated with the routine based on the learned state. The method further comprises, in an adjustment mode, determining (105) a current state of the one or more portable devices at the start time of the routine for a current execution of the routine, determining (107) whether the current state differs from the expected state, and adjusting (109) the current execution of the routine in dependence on a difference between these states. The current execution of the routine comprises transmission of at least one light command.