Methods and apparatus are provided for ultraviolet (UV) fluid purification, wherein the fluid is in a gaseous, liquid or solid form or combination thereof, comprising UV-C LED modules having improved light extraction efficiency. UV-C LED(s) are in optical communication with one or more UV-C transmissive window elements.
C02F 1/32 - Treatment of water, waste water, or sewage by irradiation with ultraviolet light
A23L 3/28 - Preservation of foods or foodstuffs, in general, e.g. pasteurising, sterilising, specially adapted for foods or foodstuffs by irradiation without heating with ultraviolet light
A23L 2/50 - Preservation of non-alcoholic beverages by irradiation or electric treatment without heating
A lighting system has a set of multiple LED luminaires, and combines solar panel power and external grid power. A solar converter converts the output from the solar panel into a first power. Each luminaire is associated with a driver to inject current into the LED lighting unit from the external grid power supply. The LED lighting units of the luminaires are connected together to the solar converter and are thereby driven together by the first power simultaneously. This simplifies the structure.
The invention provides a luminaire comprising a luminaire housing accommodating a driver housing assembly, the driver housing assembly comprising a driver housing and a cable; the driver housing (10) comprising: a terminal block (11) for connecting a cable (30) to a driver; a compartment (12) for receiving the cable (30); a first housing wall (14) adjacent to a second housing wall (24), wherein the first housing wall (14) comprises a first entrance (15) arranged for receiving the cable (30) and the second housing wall (24) comprises a second entrance (25) arranged for receiving the cable (30), and wherein said first housing wall (14) and said second housing wall (24) enclose a part of the compartment (12); a lid (13) for closing the compartment (12) and for in closed position confining the cable (30) in the first entrance (15) or the second entrance (25); wherein the cable is connected to the terminal block, and wherein the cable is received by the driver housing via either the first entrance or the second entrance.
The invention provides a device for image based services. Said device comprising: a camera for capturing an image by capturing a repetitive series of a set of frames; wherein the camera comprises a first group of camera settings associated with detecting Visible Light Communication and a second group of camera settings not associated with detecting Visible Light Communication; wherein said set of frames comprises a first subset of frames and a second subset of frames, wherein each subset comprises at least one frame; a processor configured to switch the camera periodically between the first group of camera settings and the second group of camera settings for capturing the image by capturing each first subset of frames of the repetitive series of the set of frames with the first group of camera settings and each second subset of frames of the repetitive series of the set of frames with the second group of camera settings; enable image based services based on at least one frame of the first subset of frames and/or at least one frame of the second subset of frames; wherein said first subset of frames comprises a first number of frames and said second subset of frames comprises a second number of frames; wherein the processor is further configured to increase or decrease said first number of frames and/or said second number frames based on a characteristic detected in the image and/or based on a sensor input to the device.
The present invention relates to an application device comprising an integrated energy storage, an application controller and a method of operating an application system, supporting different operation modes. In a first operation mode, AC power is provided via a distribution line to operate the application device. In a second mode, the AC power transmission at the distribution line is replaced by data communication, wherein the application device is run by energy from the energy storage during the second operation mode. Preferably in a third operation mode, DC power from the energy storage of an application device may be provided via the distribution line to another application device.
A system and associated method for configuring the system are provided, the system having one or more components for providing a sensory effect to a user, the user having a portable media device configured to interoperate with the system, the method comprising: (i) displaying to or receiving from a user (26) of the media device (20) an instruction relating to configuration of the one or more components of the system, the instruction having an expected physical response by the user (26); (ii) receiving data from a sensor incorporated within the media device (20), arranged to detect a physical response of the user (26); and (iii) determining whether a detected physical response of the user (26) is associated with the displayed or received instruction. The system may be an illumination, audio, display, heating, cooling or other environmental control system and the method enables the system to be configured more accurately and completely.
An illumination system and an associated method for controlling the illumination system are provided to illuminate a first area (16), for example an access tunnel, the first area (16) adjoining and providing a route to or from a second area (10), for example an arena (10), the second area (10) being illuminated according to an illumination effect (22). The method comprises: i) receiving illumination characteristics of the illumination effect (22) in the second area (10); ii) selecting the illumination effect to be provided in one or more of a plurality of segments (S1 to S5) of the first area (16) according to the received illumination characteristics in the second area (10); and iii) separately illuminating each of the plurality of different segments (S1 to S5) of the first area (16) to provide the respective selected illumination effect in the segment.
An electronic device is configured to change a light state, e.g. the brightness, of at least one light source (11) while a user is watching content being displayed on a display (19) and detect the user's attention shifting away from the display (19). The electronic device is further configured to determine whether the attention shift coincides with the change of the light state and store a preference for the light state in dependence on the attention shift coinciding with the change of the light state. The preference is preferably a preference for a light state with a less pronounced light effect than the changed light state.
The invention provides a system (1) comprising a fan assembly (100) with a plurality of nozzle openings (115a, 115b,...) for creating air flows (111a, 111b,...), the fan assembly (100) configured to provide the air flows (111a, 111b,...) in at least two non-parallel directions (112a, 112b,...), wherein the at least two non-parallel directions (112a, 112b,...) are configured within a virtual cone (30) having an apex angle (α) selected from the range of 10-170° and having a cone axis (31), a control system (200) configured to control the air flows (11a, 111b,...), the system (1) further comprising a light source (10) configured to generate light source light (11), and the system (1) further comprising heating elements (113a, 113b,...) for heating the respective flows (111a, 111b,...).
A method of controlling a lighting system comprising a plurality of illumination sources each controllable to emit illumination for illuminating the environment and a plurality of control apparatus for use in controlling the illumination emitted from one or more of the plurality of illumination sources, the method comprising: determining the relative position of a first control apparatus compared to a second control apparatus; assigning a function to the first control apparatus, the function defining how the first control apparatus is to control the illumination of one or more illumination sources, wherein the function of the first control apparatus is assigned based on the determined relative position; whereby a first user input can be received at the first control apparatus and the illumination of the one or more illumination sources can be controlled in response to the fist user input based on the assigned function of the first control apparatus.
The invention provides a method for manufacturing a 3D item (10) comprising an electrically conductive coil (140) of at least part of an electrically conductive wire (51), wherein the method comprising printing with a fused deposition modeling (FDM) 3D printer (500) 3D printable material (201), wherein the 3D printable material (201) comprises the electrically conductive wire (51), to provide the 3D item (10) comprising the electrically conductive coil (140).
B29C 64/20 - 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
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 80/00 - Products made by additive manufacturing
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
A method of controlling a lighting system comprising a plurality of illumination sources each controllable to emit respective illumination for illuminating an environment, one or more dockable control devices each configured to control illumination emitted from one or more of the plurality of illumination sources, and one or more docking stations, the method comprising: receiving an indication that a first one of said dockable control devices has been docked at a first one of the plurality of docking stations; and on condition of receiving the indication that the first dockable control device has been docked at the first docking station, associating the first dockable control device with a first subset of the plurality of illumination sources, and based thereon controlling the first subset of illumination sources with the first dockable control device.
There is provided a driver having a primary output, for a primary load, and an auxiliary output, for an auxiliary load. A power supply of the driver supplies power to both outputs. Connection or disconnection of an auxiliary load is determined by detecting a change in power consumption at the auxiliary output, and an action is performed by a driver controller in response to this change in power consumption.
The invention provides a horticulture lighting system (100), comprising (i) a lighting device (110) configured to provide horticulture light (111) and (ii) a control system (200) configured to control the horticulture light (111), wherein the control system (200) is further configured to provide according to a predetermined time scheme and/or as function of a sensor signal a pulse of horticulture light (111) in a spectral wavelength region at least comprising blue light (112) during a pulse period selected from the range of 1-60 min.
The invention provides a lighting device (10,40) comprising a 3D-printed heat sink (11,41). The 3D-printed heat sink (11,41) comprises a stack (13,43) of a core layer (15,45) and at least one further layer stacked along a stack axis normal to the core layer (15,45). The core layer (15,45) and the at least one further layer comprise a same polymer material (14,44) each with a thermally conductive filler, wherein a concentration of the thermally conductive filler in the polymer material (14,44) decreases, starting from the core layer (15,45), consecutively with each of the at least one further layer for improving resistance to mechanical failure and thermal conduction of said 3D-printed heat sink (11,41).
A luminaire (10) is disclosed comprising a housing (20) having a metal section (21) and incorporating an electrical component arrangement including a printed circuit board (40) having a first major surface carrying at least one light engine and a second major surface opposite the first major surface; a heatsink (30) exposed within said metal section, the heatsink having a further major surface facing the second major surface; an electrically insulating layer (50) in between the further major surface and the second major surface and having a margin (51) extending beyond each of the second major surface and the further major surface by a minimum width (W), said margin being separated from the metal section by an air gap having a minimum height (H);; and at least one electrically insulating fixing arrangement (90, 100, 110) extending through the printed circuit board and the electrically insulating layer securing the printed circuit board to the metal section.
The invention provides a horticulture arrangement (1000) for a plant (1), the horticulture arrangement (1000) comprising (i) a horticulture lighting system (100) configured to provide horticulture light (101) to plants (1), (ii) one or more reflective elements (310) configured to reflect part of the horticulture light (101) to the plant (1), and (iii) a control system (200), wherein the control system (200) is configured to control one or more of a light intensity and a spectral distribution of the horticulture light (101) in dependence of the reflection of the horticulture light (101) by the one or more reflective elements (310).
An electronic device is configured to determine a first location of a first device (12) and a second location of a second device (14). The first location and the second location are obtained using a beacon, e.g. satellite, navigation system. The electronic device is further configured to determine first constellation information representing a beacon, e.g. satellite, constellation used for obtaining the first location and second constellation information representing a beacon, e.g. satellite, constellation used for obtaining the second location, determine whether the first constellation information and the second constellation information match, and determine and use a distance between the first location and the second location if the first constellation information and the second constellation information are determined to match. This distance can be used to determine pole tilt, for example.
A retrofit tubular lighting device (7), comprising first (p1, p2) and second connection pins (p3, p4), a first (12) and second filament emulation circuit (13) coupled to the first (p1, p2) and second connection pins (p3, p4) respectively, a lighting element (4), a driver (3) coupled to the first (12) and second filament emulation circuit (13), a battery (5) and the lighting element (4). The driver (3) provides a charge to the lighting element (4) and the battery (5). The battery (5) stores the charge provided by the driver (3) and provides charge to the lighting element (4). A communication device sends a first charging signal to another lighting device comprising a further battery and coupled to the electronic ballast, when the charge of the battery (5) is below a first threshold. The communication device receives a second charging signal from the other lighting device, wherein the second charging signal indicates that a further charge of the further battery is below a second threshold. At least one of the first and second filament emulation circuit provides power from the electronic ballast (2) to the driver (3) when the communication device receives the second charging signal.
The described embodiments relate to system, methods, and apparatuses for compensating sensor data from a luminaire based on an ambient temperature estimate that is generated from operating characteristics of the luminaire. The sensor data can be provided from a sensor, such as a passive infrared sensor, that is connected to the luminaire, and by compensating the sensor data, more accurate metrics can be generated from the sensor data. For instance, the compensated sensor data can be used to generate occupancy metrics that can be used as a basis for controlling a network of luminaires or other devices that can be influenced by occupants of an area. The compensated sensor data can also be used to calibrate the sensor.
A design is provided for a component and for an opening in a wall of a product which is to receive the component. The component has a barrel for passing through the opening with a set of lugs at the end of the barrel. Each lug has a clamping surface facing a head part of the component, and the region between the clamping surface and the head part forms a clamping zone. The opening is for example circular. A stepped thickness portion of the wall follows an arc from a locally thinnest portion to a locally thickest portion. The steps and/or the lugs are sloped upwardly towards the locally thickest end of the arc. To fit the component, it is inserted through the opening (for example with the lugs deforming inwardly) and then twisted. The twisting engages the lugs with the stepped thickness portion, providing a progressive ratcheted clamping function.
A system and corresponding method is disclosed for monitoring and conducting large-scale performance verification of a city's lighting infrastructure. In particular, the current invention combines measurements of lighting performance measurements along city roadways with regulatory requirements for the roadways. In various embodiments, the current invention then presents a three-dimensional visualization of the 5 adequacy of existing roadway lighting with respect to these regulatory requirements.
A system (100) for communicating a presence of a device via a light source (110) configured to emit light comprising an embedded code is disclosed. The system (100) comprises: a controller (102) comprising: a receiver (106) configured to receive a response signal from a first device (120), which response signal comprises an identifier of the first device (120), and which response signal is indicative of that the embedded code has been detected by the first device (120), and a processor (104) configured to correlate the embedded code with the identifier of the first device (120), such that the embedded code is representative of the identifier of the first device (120).
G01S 5/16 - Position-fixing by co-ordinating two or more direction or position-line determinations; Position-fixing by co-ordinating two or more distance determinations using electromagnetic waves other than radio waves
G01S 1/70 - Beacons or beacon systems transmitting signals having a characteristic or characteristics capable of being detected by non-directional receivers and defining directions, positions, or position lines fixed relatively to the beacon transmitters; Receivers co-operating therewith using electromagnetic waves other than radio waves
G01S 5/00 - Position-fixing by co-ordinating two or more direction or position-line determinations; Position-fixing by co-ordinating two or more distance determinations
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
31.
A CONTROLLER AND METHOD FOR GENERATING A DYNAMIC LIGHT EFFECT ON A LIGHT SOURCE ARRAY
A method (700) of generating a dynamic light effect on a light source array (110) is disclosed. The light source array (110) comprises a plurality of individually controllable light sources (112). The method (700) comprises: obtaining (702) or generating (702) a vector, wherein the vector has a plurality of behavior parameters comprising at least a speed and a direction, and the vector has one or more appearance parameters comprising at least a color and/or a brightness, mapping (704) the vector onto the light source array (110) over time according to the behavior parameters of the vector, and controlling (706) the light output of the plurality of light sources (112) over time according to the mapping of the vector onto the light source array (110) and according to the appearance parameters of the vector.
A power distribution system receives an AC power supply (10) and supplies power to a plurality of electrical loads (A1-A4,...,J1-J4) over a distribution network. The system has a plurality of DC power supplies (13) for use when the AC power supply is unavailable. A system controller (14) controls the plurality of DC power supplies to supply a time-averaged DC current which is equal to or smaller than an RMS current rating of the power lines (W1, W2) of the distribution network.
A retrofit lamp is to be used with a ballast. A shunt switch is provided in parallel with an output load and is adapted to shunt input terminals of the lamp using pulse width control so as to tune the current through the lighting element. This current control is used to enable compatibility with different ballasts and to provide dimming control. A detection circuit is used to detect an abnormal drive condition of the retrofit lamp and the pulse width control of the shunt switch can then be overridden by holding the shunt switch at a stable state for a certain duration. This prevents overload conditions and avoids DC signals in the event of component failures.
A luminaire (10) is disclosed comprising a housing (20) delimiting a light exit window (25) and comprising a reflective inner surface (23) facing the light exit window, an elongate light guide (30) mounted in the housing and partially covering the light exit window by extending in an elongation direction across a central region (26) of the light exit window, the elongate light guide comprising a first major surface (31) facing the reflective inner surface, a second major surface (33) opposite the first major surface, a plurality of light outcoupling structures (37) proximal to the second major surface arranged to redirect light onto the reflective inner surface through the first major surface; and a pair of opposing side surfaces (35) in said elongation direction extending between the first major surface and the second major surface. The luminaire further comprises at least one light source (41) arranged to couple light into the light guide via one of said opposing side surfaces (35).
A connector for connecting a PCB to an electrical circuit. The connector configured to accommodate varying PCB thicknesses whilst maintaining a similar contact pressure on the contact areas of the PCB and simultaneously ensuring good thermal contact between the PCB and a luminaire base.
H01R 12/72 - Coupling devices for rigid printing circuits or like structures coupling with the edge of the rigid printed circuits or like structures
H01R 27/00 - Coupling parts adapted for co-operation with two or more dissimilar counterparts
H01R 12/79 - Coupling devices for flexible printed circuits, flat or ribbon cables or like structures connecting to rigid printed circuits or like structures
H01R 12/73 - Coupling devices for rigid printing circuits or like structures coupling with the edge of the rigid printed circuits or like structures connecting to other rigid printed circuits or like structures
The invention provides a lighting device (1) comprising (i) a plurality of sets (310) of each one or more light sources (10) configured to provide light source light (11), and (ii) a plurality of luminescent elements (5), each luminescent element (5) comprising an elongated luminescent body (100) having a radiation input face (111) for receipt of the light source light (11), each luminescent element (5) comprising a luminescent material (120) for conversion of at least part of the light source light (11) into luminescent material light (8), and each luminescent element (5) have an luminescent element exit window (12) for the luminescent material light (8); wherein the luminescent elements (5) are configured in a configuration wherein an average distance (d1) between neighboring luminescent bodies (100) is larger than a shortest luminescent element exit window distance (d2) between the neighboring luminescent element exit windows (12), thereby defining an interspace (320) between the neighboring luminescent bodies (100).
F21V 8/00 - Use of light guides, e.g. fibre optic devices, in lighting devices or systems
F21K 9/60 - Optical arrangements integrated in the light source, e.g. for improving the colour rendering index or the light extraction
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
37.
A SYSTEM AND METHOD FOR PROVIDING SPATIAL INFORMATION OF AN OBJECT TO A DEVICE
A method (600) of providing spatial information of an object (110) to a device (100) is disclosed. The method (600) comprises: detecting (602), by the device (100), light (118) emitted by a light source (112) associated with the object (110), which light (118) comprises an embedded code representative of a two-dimensional or three-dimensional shape having a predefined position relative to the object (110), obtaining (604) a position of the object (110) relative to the device (100), and determining (606) a position of the shape relative to the device (100) based on the predefined position of the shape relative to the object (110) and on the position of the object (110) relative to the device (100).
G01S 1/70 - Beacons or beacon systems transmitting signals having a characteristic or characteristics capable of being detected by non-directional receivers and defining directions, positions, or position lines fixed relatively to the beacon transmitters; Receivers co-operating therewith using electromagnetic waves other than radio waves
G01S 5/16 - Position-fixing by co-ordinating two or more direction or position-line determinations; Position-fixing by co-ordinating two or more distance determinations using electromagnetic waves other than radio waves
H04B 10/11 - Arrangements specific to free-space transmission, i.e. transmission through air or vacuum
38.
LIGHTING DEVICE WITH CONTROL OF POWER FLOW DIRECTION
A lighting device (100), comprising a light source (104) configured to be driven by electrical power, an energy-storage unit (106) configured to store electrical energy, to receive the electrical power from a power interface and to deliver the electrical power to the light source and to the power interface (108) allowing, in a connected state, an energy- transfer operation between the energy-storage unit (106) and an external second energy- storage unit (110) of an external electrically driven device (102) that can be connected to the power interface (108) and a control unit (116) configured to determine if the power interface (108) is in the connected state, to determine a current light-output state of the lighting device (100), and to control, in the connected state, the energy-transfer operation in an energy- transfer direction depending on the current light-output state of the lighting device (100).
An electronic device (1) is configured to determine a message to be provided to a user and obtain a current mode of operation of a system capable of outputting audio (1) and a current mode of operation of a system capable of outputting light (43-45). The electronic device is further configured to select a modality for providing the message to the user from a plurality of modalities and a system for providing the message to the user from a plurality of systems based on the obtained current modes of operation. The modalities include at least light and audio. The plurality of systems comprises the system capable of outputting audio and the system capable of outputting light. The electronic device is also configured to cause the selected system to provide the message to the user in the selected modality.
It is an object of the invention to provide an improved device for positioning information at a location in an image. Hence the invention provides a device (100) for positioning information (18) at a location (17) in an image (13), the device (100) comprising: a detector (10) for recording the image (13), the image (13) comprising a light source (14), wherein a lighting characteristic (15) of the light source (14) comprises a code (16) indicative of the information (18) and the location (17) where to position the information (18) in the image (13); a processor (11) arranged for processing the image (13) to retrieve the code (16), retrieving the information (18) indicated by the code (16), retrieving the location (17) indicated by the code (16), processing the image (13) into a processed image (19) by positioning the information (18) at the location (17) in the image (13); an image rendering device (12) for rendering the processed image (19).
G01S 1/70 - Beacons or beacon systems transmitting signals having a characteristic or characteristics capable of being detected by non-directional receivers and defining directions, positions, or position lines fixed relatively to the beacon transmitters; Receivers co-operating therewith using electromagnetic waves other than radio waves
G06F 3/0481 - Interaction techniques based on graphical user interfaces [GUI] based on specific properties of the displayed interaction object or a metaphor-based environment, e.g. interaction with desktop elements like windows or icons, or assisted by a cursor's changing behaviour or appearance
Some embodiments are directed to a sensor control device (200) for a connected lighting system (100), said connected lighting system comprising multiple luminaires (122) arranged in a region, the sensor control device obtaining from received sensor data the occupant locations in sub-regions associated with the sensor data and/or multiple illuminance levels for multiple points in the sub-region, and defines a virtual sensor at a virtual sensor location. The occupancy state and/or illuminance level from the virtual sensor are used to control a luminaire of the multiple luminaires, the luminaire covering the virtual sensor location in the region.
The application relates to a method for 3D printing a 3D item (10) on a substrate (1550), the method comprising providing a filament (320) of 3D printable material (201) and printing during a printing stage said 3D printable material (201), to provide the 3D item (10) comprising 3D printed material (202), wherein the 3D printable material (201) comprises light transmissive polymeric material and wherein the polymeric material has a glass transition temperature, wherein the 3D printable material during at least part of the printing stage further comprises plate-like particles (410), wherein the plate-like particles (410) have a metallic appearance, wherein the plate-like particles (410) have a longest dimension length (L1) selected from the range of 50 µm - 2 mm and a largest thickness (L2) selected from the range of 0.05-20 µm, and wherein the method further comprises subjecting the 3D printed material (202) on the substrate (1550) to a temperature of at least the glass transition temperature.
B29C 70/58 - Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts comprising fillers only
B29C 70/62 - Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts comprising fillers only the filler being oriented during moulding
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]
An uplink subsystem for use in an illumination system arranged for optical communication as well as the illumination system, the system comprising a downlink subsystem and the uplink subsystem. The uplink subsystem comprises sensors (e.g. infrared sensor) embedded in each luminaire in the group. The uplink subsystem also comprises a demodulator, and a distribution network for supplying the signals sensed to an adaptor to combine instances of the sensed uplink signal in a manner that takes into account a Time Division Medium Access scheme and a demodulator to demodulated the combined signal. The system further comprising a downlink subsystem that in turn comprises a modulator for generating a modulated waveform, and an optical fiber distribution network to distribute the modulated waveform to each luminaire in a group. Each such luminaire generates a drive current for driving a lighting element of that luminaire to emit light. Each also injects the modulated waveform into its drive current so as to embed the downlink signal in the emitted light.
A lighting module (1) for use in a luminaire, comprising a heat sink (10) for dissipating thermal energy, which heat sink (10) is polygonal in cross section, forming a number of surfaces (11, 12) corresponding to the polygonal shape of the heat sink (10), each surface (11, 12) extending in a longitudinal direction, said longitudinal direction extending substantially perpendicularly to a plane of said cross section, each surface (11, 12) having a centre line (19) extending in said longitudinal direction, at least two LEDs (13, 14) being located on each of at least three of said surfaces (11, 12), wherein all of the LEDs (14) on a first (12) of said at least three surfaces (11, 12) defines an accumulated light emitting area of said first surface (12), which accumulated light emitting area is distributed asymmetrically in relation to the centre line (19) of said first surface (12).
F21K 9/23 - 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
F21V 29/503 - Cooling arrangements characterised by the adaptation for cooling of specific components of light sources
F21V 29/70 - Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks
F21K 9/65 - Optical arrangements integrated in the light source, e.g. for improving the colour rendering index or the light extraction specially adapted for changing the characteristics or the distribution of the light, e.g. by adjustment of parts
F21Y 107/30 - Light sources with three-dimensionally disposed light-generating elements on the outer surface of cylindrical surfaces, e.g. rod-shaped supports having a circular or a polygonal cross section
F21W 131/103 - Outdoor lighting of streets or roads
A lighting module (1) for use in a luminaire, comprising a heat sink (10) for dissipating thermal energy, which heat sink (10) is polygonal in cross section, forming a number of surfaces (11, 12) corresponding to the polygonal shape of the heat sink (10), each surface (11, 12) extending in a longitudinal direction, said longitudinal direction extending substantially perpendicularly to a plane of said cross section, at least one row of LEDs (8) being located on each of at least two of said surfaces (11, 12), each row (8) comprising at least two LEDs (13) so that light may be emitted from each surface (11, 12) comprising a respective row of LEDs (8), wherein the LEDs (13) are configured so that the lighting module (1), when connected to a power source, is configured to or can be set to emit less light from at least one of said surfaces (12) than from at least one other of said surfaces (11).
F21K 9/65 - Optical arrangements integrated in the light source, e.g. for improving the colour rendering index or the light extraction specially adapted for changing the characteristics or the distribution of the light, e.g. by adjustment of parts
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
F21V 23/04 - Arrangement of electric circuit elements in or on lighting devices the elements being switches
F21Y 107/30 - Light sources with three-dimensionally disposed light-generating elements on the outer surface of cylindrical surfaces, e.g. rod-shaped supports having a circular or a polygonal cross section
A method of controlling illumination emitted by one or more illumination sources of a lighting system, the method comprising automatically performing operations of: receiving from a speech recognition system a first input indicative of a first speech command; in response to the first input, controlling the lighting system to transition from a first state comprising a first value of a parameter of the illumination to a second state comprising a second value of the parameter; receiving from the speech recognition system a second input indicative of a second speech command, the second input indicating that the second speech command specifies a further change in the parameter; mapping the second input to an adjustment defined at least in part based on the first and second values of the parameter; and controlling the lighting system to transition from the second state to a further adjusted state by adjusting the parameter.
A lighting module (1) for connecting to a luminaire, the lighting module extending along a longitudinal axis (LA) and comprising: a base (3) for connecting the lighting module (1) to a socket (11) of the luminaire (10); a central body (4) carrying at least a first light source (21) and a second light source (22), wherein the first light source (21) is configured to emit first light having a first light distribution with a first main direction pointing away from the longitudinal axis (LA), and the second light source (22) is configured to emit second light having a second light distribution with a second main direction pointing away from the longitudinal axis (LA), the first and second main directions being different from one another; and an optical element (6) including at least one optical portion (61) and a cover portion (62) extending all around the central body (4) and said optical element (6) being rotatable about the longitudinal axis (LA) in relation to the central body (4), the at least one optical portion (61) having an optical property, such that the optical portion (61) is configured to affect light emitted from at least one of the light sources, the at least one optical portion (61) extends in an angular area around the longitudinal axis (LA), and the cover portion (62) is configured not to affect light emitted from the remaining sources.
F21K 9/65 - Optical arrangements integrated in the light source, e.g. for improving the colour rendering index or the light extraction specially adapted for changing the characteristics or the distribution of the light, e.g. by adjustment of parts
F21K 9/66 - Optical arrangements integrated in the light source, e.g. for improving the colour rendering index or the light extraction - Details of globes or covers forming part of the light source
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
F21W 131/103 - Outdoor lighting of streets or roads
F21Y 107/30 - Light sources with three-dimensionally disposed light-generating elements on the outer surface of cylindrical surfaces, e.g. rod-shaped supports having a circular or a polygonal cross section
48.
CONTROLLING END NODES OF A LOW-POWER WIDE AREA NETWORK
The invention provides a method and apparatus for managing end nodes of a Low-Power Wide Area Network. A mode change command indicating a desire to switch the operating mode of each of a plurality of end nodes is broadcast. A determination is made as to whether all the end nodes have switched mode to match the desired operating mode, and the mode change command is rebroadcast if it is determined that not all end nodes have appropriately switched mode.
The invention provides a light emitting module (100) which comprises a light mixing chamber (101). The light mixing chamber comprises a base (102), at least one partly light transmissive side wall (103), an at least partly light transmissive - semi-reflective light exit window (104), a carrier (107), and at least one light emitting diode (105). The base (102) has a reflective inner surface (114). The at least one partly light transmissive side wall (103) extends from the base (102) towards the at least partly light transmissive, semi-reflective light exit window (104) which is arranged opposite to the base (102). The carrier (107) carries at least one light emitting diode (105) and is positioned at a distance (D1) from a nearest portion (108) of the at least one partly light transmissive side wall (103). The at least one light emitting diode (105) is arranged to emit source light (106) in a main direction different from 90 degrees with respect to the semi-reflective light exit window (104) and in the main direction away from the nearest portion (108) of the at least one partly light transmissive side wall (103) to enable subsequent mixing of the source light (106) within the mixing chamber (101) to generate mixed light (106'). The semi-reflective light exit window (104) and the at least one partly light transmissive side wall (103) are arranged to couple out source light (106) and mixed light (106') as emitted light (106''). The mixing chamber has an inner mixing chamber width (W1) in the direction along the base (102) between the nearest portion (108) of the at least one partly light transmissive side wall (103) and an opposite portion (109) of the at least one partly light transmissive side wall (103) which is positioned opposite to the nearest portion (108) of the at least one partly light transmissive side wall (103). An inner mixing chamber height (H1) spaces the base (102) and the semi-reflective light exit window (104). The inner mixing chamber width (W1) and the inner mixing chamber height (H1) have an aspect ratio in the range of 4 to 15. The semi-reflective light exit window (104) has a reflectivity in the range from 30 to 80% for source light (106) and mixed light (106'). The distance (D1) from the at least one light emitting diode (105) to the nearest portion (108) of the at least one partly light transmissive side wall (103) is in the range from 5 to 30 % of the inner mixing chamber width (W1).
F21S 8/06 - Lighting devices intended for fixed installation intended only for mounting on a ceiling or like overhead structure by suspension
F21K 9/23 - 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
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
A system (100) for providing a user device (102) access to a resource or data is disclosed. The system (100) comprises: the user device (102) comprising: a light detector (104) configured to detect light (130) emitted by a light source (122), which light (130) comprises an embedded code comprising a light source identifier of the light source (122), a communication unit (108) configured to communicate with a network device (112), a processor (106) configured to retrieve the light source identifier from the light (130), and to communicate the light source identifier to the network device (112). The system (100) further comprises the network device (112), comprising: a receiver (114) configured to receive the light source identifier from the user device (102), and a controller (116) configured to identify the light source (122) based on the light source identifier, to encrypt an access key or data with a public key corresponding to a private key, and to control the light source (122) such that the light (130) comprises an updated embedded code comprising the encrypted access key or the encrypted data. The processor (106) of the user device (102) is further configured to retrieve the encrypted access key or the encrypted data from the updated embedded code comprised in the light (130), and to decrypt the encrypted access key or the encrypted data with the private key, and access the resource with the decrypted access key or retrieve the decrypted data.
H04L 9/32 - Arrangements for secret or secure communications; Network security protocols including means for verifying the identity or authority of a user of the system
H04W 12/02 - Protecting privacy or anonymity, e.g. protecting personally identifiable information [PII]
The present invention relates to a light emitting strip (10), comprising: an elongate body (12); at least one light source (16) adapted to emit light into the elongate body; and a gap (24) in the elongate body, which gap is arranged in front of the at least one light source, wherein the gap is adapted to omnidirectionally distribute, in a plane (26) perpendicular to a longitudinal direction of the light emitting strip, light emitted by the at least one light source. The present invention also relates to a method of manufacturing a light emitting strip (10).
F21S 4/26 - 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 of rope form, e.g. LED lighting ropes, or of tubular form
An illumination source for emitting visible illumination, and arranged to include a VLC signal comprising an ID of the illumination source modulated into the illumination. A separate control device is able to control the illumination source, and a light sensor is comprised by or placed substantially collocated with the control device. A VLC decoder is configured to detect the ID from the sensed VLC signal. The illumination source is further configured to transmit to the control device an indication of at least one capability of the illumination source in the form of at least one of an illumination feature or illumination requirement of the illumination source in an illumination lighting application. Based on the supplied indication, it is determined whether the control device can support the indicated capabilities, and on condition thereof, an association is formed between the control device and the illumination source based on the ID received in the VLC signal, thereby enabling the control device to control the illumination source.
A lighting arrangement (100) is disclosed, comprising a first electrical device (10), comprising at least one elongated carrier (15; 71, 72) arranged to support at least one light-emitting element (12), the at least one elongated carrier (15; 71, 72) being configured to provide power to the at least one light-emitting element (12). The lighting arrangement (100) comprises a second electrical device (20), which may be configured to supply power to the first electrical device (10). The at least one elongated carrier (15; 71, 72) of the first electrical device (10) comprises a first electrical interconnection element (11; 13, 14) and the second electrical device (20) comprises a second electrical interconnection element (21; 23, 24). The first electrical interconnection element (11; 13, 14) and the second electrical interconnection element (21; 23, 24) are configured to electrically interconnect the first electrical device (10) and the second electrical device (20) by means of at least one of inductive coupling or capacitive coupling.
A lighting driver is designed for driving an unknown lighting load and is based on a controlled DC driver, with a controlled output current. It is used in a first mode of operation to determine an operating current of the lighting load and in a second mode of operation to deliver a current to the lighting load in dependence the determined operating current, and optionally also in dependence on a dimming setting. In this way, the driver configures its output to the load based on an analysis of the current characteristics of the load, such as the maximum rated current.
H05B 33/08 - Circuit arrangements for operating electroluminescent light sources
61.
A RETROFIT LIGHT EMITTING DIODE, LED, LIGHTING DEVICE FOR CONNECTION TO A BALLAST, WHEREIN SAID LED LIGHTING DEVICE IS ARRANGED TO DETECT A DIP IN SAID MAINS VOLTAGE USING A ZERO CURRENT DETECTOR
A retrofit Light Emitting Diode, LED, lighting device for connection to a ballast, wherein said ballast is arranged to be connected to a mains voltage and arranged to provide for a ballast current, wherein said LED lighting device is arranged to detect a dip in said mains voltage using a zero current detector.
F21V 8/00 - Use of light guides, e.g. fibre optic devices, in lighting devices or systems
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 provides a lighting device (1) comprising a light source configured to provide light source light and a luminescent element (5) comprising an elongated light transmissive body (100), the elongated light transmissive body (100) comprising a side face (140), wherein the elongated light transmissive body (100) comprises a luminescent material (120) configured to convert at least part of the light source light (11) selected from one or more of the UV, visible light, and IR received by the elongated light transmissive body (100) into luminescent material radiation (8). The side face comprises the radiation input face (111), and the body further comprises a first face (141) and a second face (142) defining a length of the body, wherein the second face comprises a first radiation exit window (112). The side face comprises a curvature with a radius r, and the concentration of the luminescent material is chosen such that at least 80% of the source light is absorbed within a first length x from the side face, wherein x/r <= 0.4 applies.
F21V 8/00 - Use of light guides, e.g. fibre optic devices, in lighting devices or systems
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
G02B 6/036 - Optical fibres with cladding core or cladding comprising multiple layers
F21V 8/00 - Use of light guides, e.g. fibre optic devices, in lighting devices or systems
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 provides a lighting device (1) comprising a luminescent element (5) comprising an elongated light transmissive body (100), the elongated light transmissive body (100) comprising a side face (140), wherein the elongated light transmissive body (100) comprises a luminescent material (120) configured to convert at least part of a light source light (11) selected from one or more of the UV, visible light, and IR received by the elongated light transmissive body (100) into luminescent material radiation (8).
F21V 8/00 - Use of light guides, e.g. fibre optic devices, in lighting devices or systems
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
A light strip and a method for installing a light strip are provided. The light strip is adapted to be installed in a conduit. The light strip comprises a substrate including a flexible material, a plurality of light emitting diodes, LEDs, arranged on the substrate, a reinforcing element arranged at the substrate to rigidify the light strip such that the light strip is adapted to be pushed or pulled through the conduit, and a connecting means arranged at end of the light strip and configured to, at least temporarily, connect a puller wire for pulling the light strip through the conduit.
F21Y 107/70 - Light sources with three-dimensionally disposed light-generating elements on flexible or deformable supports or substrates, e.g. for changing the light source into a desired form
A surface graze lighting arrangement focuses light with a high efficiency. The lighting arrangement includes a curved reflector including a first reflective surface facing a target area. The lighting arrangement includes a light source generating a first light, the first light incident on the first reflective surface being redirected to the target area. The lighting arrangement includes a reflective baffle including a second reflective surface facing the first reflective surface and an opaque surface facing the target area, the first light incident on the second reflective surface being redirected to the first reflective surface, the opaque surface of the reflective baffle configured to prevent an illumination spot outside the target area from being created by the lighting arrangement.
F21V 7/06 - Optical design with parabolic curvature
F21V 13/10 - Combinations of only two kinds of elements the elements being reflectors and screens
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 provides a lighting device (100) comprising a plurality of light sources (10), a light guide plate (20), a rim (30), and an IR sensor (40), wherein: (i) the light sources (10) are configured to provide light source light (11), and wherein the light sources (10) are configured in an edge-lighting configuration with the light guide plate (20); (ii) the light guide plate (20) comprises a circumferential edge (22) of which at least part is 5 configured as light incoupling face for the light source light (11), and a first face (21) of which at least part is configured as light outcoupling face; (iii) the rim (30) comprises the plurality of light sources (10) and the IR sensor (40); and (iv) the IR sensor (40) is configured to sense IR radiation (41) via the light guide plate (20).
A power supply system for a lighting unit, comprises a driver, a local energy storage device and a converter. The converter implements a first, charging mode, mode by connecting to the output of said driver for diverting at least a part of the driving current from the lighting unit to charge the energy storage device, a second, battery driving, mode by connecting to the lighting unit for converting the local energy storage device power supply to drive the lighting unit, and a third, grid driving, mode to neither charge the energy storage device nor convert the secondary power supply. The converter and the driver are controlled actively and synchronously to maintain the current through the lighting unit when switching the converter between modes.
A method for 3D printing a 3D item (10), the method comprising (i) providing 3D printable material (201) comprising particles (410) embedded in the 3D printable material (201), wherein the particles (410) have a longest dimension length (L1), a shortest dimension length (L2), and an aspect ratio AR defined as the ratio of the longest dimension length (L1) and the shortest dimension length (L2), and (ii) depositing during a printing stage 3D printable material (201) to provide the 3D item (10) to provide layers (230) of the 3D printed material (202) with a layer height (H), wherein: (i) 1
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]
72.
METHOD AND SYSTEM FOR ASSET LOCALIZATION, PERFORMANCE ASSESSMENT, AND FAULT DETECTION
A method (400) for analyzing output of lighting units (10) in a lighting system (100) includes the steps of: (i) simulating (430), based on data from a photometric database (310), the output of a lighting unit; (ii) receiving and storing (420), from a database (330) of historical information, historical observed data about the output of the lighting unit; (iii) receiving (450) observed data (36) about the output of the lighting unit; (iv) generating (440) a model of the lighting system based at least in part on the simulated output of the lighting unit and the historical observed data about the output of the lighting unit, wherein the model comprises localization information for the lighting unit; and (v) comparing (470) the received observed data about the output of the lighting unit to the generated model, wherein a fault is detected if the observed data varies from the generated model by a predetermined amount.
The invention provides an improved device with a touch user interface for controlling a load. The device comprising: an array of individually controllable LED light sources; data lines for interconnecting successive LED light sources to obtain a daisy-chain of successive LED light sources in said array and for rippling control data through the daisy- chain to a particular LED light source in said array, wherein the particular LED light source in said array is arranged for removing one or more bits from the control data and for providing resulting control data downstream (i.e. e.g. to a successive LED light source) in the daisy-chain; a feedback line for feeding back the resulting control data; a touchpad for connecting, when in use touched, one of the data lines and the feedback line; a controller comprising (i) an output for sending the control data over said data lines to the particular LED light source, and (ii) an input for receiving the resulting control data over the feedback line when the touchpad is touched; and the controller being arranged for (i) comparing said sent control data with said received resulting control data for associating the touchpad, when in use touched, with a position in the array of individually controllable LED light sources of the particular LED light source, and (ii) providing a control signal for controlling the load based on said position.
A sensing device is for sensing an operating voltage of a remote device. A communications interface receives communications signals originating from the remote device over a communications bus. A data sampler takes data readings of a communications signal at a predetermined set of timing instants defined by the sensing device. A data metric (such as a duty cycle of high and low states) is obtained from the data readings and from this 5 an operating voltage of the remote device is obtained, based on a relationship between the voltage and the data metric. The invention is based on detecting timing changes which result from voltage changes. In particular, the slope of rising and falling edges of the communications signal are influenced by the voltage level, and this in turn influences the timing of high states (1s) and low states (0s).
A method for 3D printing a 3D item (10), the method comprising (i) providing 3D printable material (201) comprising particles (410) embedded in the 3D printable material (201), wherein the particles (410) have a longest dimension length L1, a shortest dimension length L2, and an aspect ratio AR defined as the ratio of the longest dimension length L1 and the shortest dimension length L2, and (ii) depositing during a printing stage 3D printable material (201) to provide the 3D item (10) to provide layers (230) of the 3D printed material (202) with a layer height H, wherein AR>4 and H/L1<1.
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]
76.
LIGHTING SYSTEM WITH TRAFFIC REROUTING FUNCTIONALITY
A lighting system for illuminating an environment, the lighting system comprising a plurality of lighting modules (111, 112, 113), the lighting modules comprising a light source (111a) for emitting light, illuminating an area, an acoustic sensor (111b) arranged for sensing noise in the area, a network interface configured to allow the lighting module to send noise data via a network, and a vehicle routing device (120) comprising: a first network interface (121) configured to receive noise data from the plurality of lighting modules via the network, a processor circuit arranged to calculate noise metrics for different regions (341-344) in the environment from the received noise data, compare the calculated noise metric with noise metric threshold values, dependent upon the calculated noise metric exceeding a noise metric threshold value for a particular region, generating a traffic rerouting signal, said traffic rerouting signal causing a traffic routing system to reroute traffic away from said particular region.
A Light Emitting Diode, LED, based lighting device for detecting and reducing arcing occurring in said lighting device, said lighting device comprising an LED load arranged for emitting light, an LED driver arranged for receiving a supply voltage and for driving said LED load by providing an LED output current to said LED load, an arcing detector arranged for determining that arcing is occurring at said LED load by detecting spikes occurring in said LED output current provided by said driver to said LED load and a control device arranged for controlling said LED driver such that said LED driver reduces said LED output current based on detected arcing occurring at said LED load.
