US Pat. No. 10,257,907

LED LIGHTING MODULE

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1. An LED lighting module comprising:a plurality of input terminals for connecting to an input voltage;
an LED load realised to operate at an upper threshold voltage level and arranged in series with a first semiconductor switch and a current sense resistor; and
a regulation circuit comprising a current control circuit to regulate LED current and a voltage monitor circuit to generate a variable input to the current control circuit, wherein the regulation circuit is realised to decrease LED current through the LED load when the input voltage is greater than the upper threshold voltage level,
wherein the current control circuit comprises a reference input and a variable input, the current control circuit being realized to regulate LED current through the first semiconductor switch according to a difference between the reference input and the variable input, and
wherein the voltage monitor circuit generates the variable input to the current control circuit based at least in part on the input voltage applied to the LED lighting module and the upper threshold voltage level.

US Pat. No. 10,299,328

LED DRIVER CIRCUIT, LIGHTING ARRANGEMENT AND DRIVING METHOD

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1. A first LED driver circuit comprising:a first input interface for receiving an AC power input and providing a first output, wherein said first output is adapted to be serially connected to a second LED driver circuit;
a first LED driver powered by the first output;
a first shorting element for shorting the first output;
a first control arrangement for controlling the first shorting element, wherein the first control arrangement is configured to:
close the first shorting element at a zero-crossing of a first subset of half cycles of the AC power input to short circuit the first LED driver and prevent the first LED driver from being powered, wherein the AC power input passes to the second LED driver during the first subset of half cycles, and
open the first shorting element at a zero-crossing of a second subset of half cycles of the AC power input to power the first LED driver, wherein said second subset of half cycles does not overlap with the first subset of half cycles;
wherein the half cycle is the positive amplitude duration or the negative amplitude duration of the AC power input.

US Pat. No. 10,257,900

DETERMINING PROPERTY OF UNCHANGED LOAD DEVICE

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1. A determination device for determining a maximum power dissipation property of a light emitting diode strip comprising a first channel with one or more first elements, the determination device comprising:a first switch configured to provide a first voltage pulse to the first channel,
a detector configured to detect a first current signal that results from a provision of the first voltage pulse to the first channel, and
a controller configured to derive a maximum power dissipation property of the first channel of the light emitting diode strip from a detection of the first current signal,
wherein the controller is further configured to calculate a first maximum duty cycle of a first power supply signal for supplying the first channel in view of both the maximum power dissipation property of the first channel and a power capacity of a power supply that produces the first power supply signal.

US Pat. No. 10,257,935

METHOD FOR MANUFACTURING A PRINTED CIRCUIT BOARD ASSEMBLY BASED ON PRINTED ELECTRONICS

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1. A method for manufacturing a printed circuit board assembly, comprising:providing a substrate;
printing a compound in a circuit pattern on the substrate, the compound comprising a suspension of an uncured conductive material and an insulating material together, the uncured conductive material and the insulating material configured to separate after printing thereby forming a bottom layer of the uncured conductive material covered by a top layer of the insulating material;
arranging at least one electronic component, having at least one electrical connection part, on the top layer of the circuit pattern, the at least one electrical connection part of the at least one electronic component penetrating the top layer of the insulating material and forming at least one electrical connection with the bottom layer comprising the uncured conductive material, and, after arranging said at least one electronic component on the top layer;
curing the uncured conductive material and the insulating material into a cured conductive material and an insulator, respectively;
whereby the cured conductive material mechanically secures said at least one electronic component to the substrate.

US Pat. No. 10,257,902

SLEEPY LIGHT

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1. A lighting device comprisinga first light source configured to provide first light source light,
a second light source configured to provide second light source light and
a control system configured to control the first light source and the second light source to provide said first light source light and second light source light respectively, wherein
the first light source light and the second light source light each have a melanopsin effectiveness factor (MEF) of a maximum 0.40 and wherein MEF is defined as

wherein SPD(?) defines the spectral power distribution of the light source light emitted by the respective light source,
wherein m(?) is the normalized melanopic sensitivity function and
wherein V(?) is the normalized photopic sensitivity function, and wherein
the first light source light and the second light source light have a color rendering index (CRI), the difference between the CRI of the first light source light and the CRI of the second light source light is at least 15 CRI units, and wherein
at least the first light source is arranged to provide the first light source light having a maximum ratio of the total number of photons in the wavelength range of 440-530 nm to the total number of photons in the wavelength range 380-780 nm of 0.2.

US Pat. No. 10,299,331

LED RETROFIT DRIVER CIRCUIT AND METHOD OF OPERATING THE SAME

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1. An LED retrofit driver circuit comprising:an input for receiving an operating voltage from a power supply;
an output for connection to one or more LED units;
a power converter connected with said input and said output and configured to provide a lamp current at said output, wherein the power converter is configured to operate in at least a first operating state,
in said first operating state, the power converter being configured to switch between:
a high current generating mode, in which the power converter is configured to draw current pulses from said power supply to draw a first average input current, and
an OFF mode during which no current is drawn from said power supply, wherein the power converter is configured to operate in at least a second operating state, and
in said second operating state, said power converter being configured at least to operate in
a low current generating mode, in which the power converter is configured to draw current pulses from said power supply to draw a second average input current, the second average input current being lower than said first average input current.

US Pat. No. 10,299,355

INTELLIGENT GATING MECHANISM

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1. A gating module for use in a lighting system, the lighting system comprising at least one sensor module, the at least one sensor module comprising at least one sensor, and a lighting network comprising at least one luminaire, the gating module configured to:receive sensor data obtained by the at least one sensor module;
receive an input signal;
determine, based on the input signal and predetermined rules stored in a memory, which parts of the sensor data are to be supplied to at least one luminaire controller for use in controlling the at least one luminaire; and
only supply the determined parts of the sensor data to the at least one luminaire controller,
wherein the input signal indicates an orientation of a device associated with a sensor module of the at least one sensor module, and the predetermined rules indicate transmission of sensor data to the luminaire controller only when the device is positioned in a predetermined orientation.

US Pat. No. 10,299,353

METHODS FOR INITIATING STATE MACHINES IN RESPONSE TO TOUCH EVENTS DETECTED AT HOME APPLIANCES

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1. A method, comprising:detecting a touch event at a touch sensor associated with a home appliance comprising a luminaire;
operating the home appliance to perform its primary function in response to the detecting of the touch event, the primary function comprising controlling lighting of the luminaire;
determining that data transmitted from the touch sensor regarding the touch event satisfies a predetermined touch event profile associated with a secondary function to be performed at a computing device separate and remote from the home appliance, the secondary function being different than the primary function; and
initiating the secondary function at the computing device in response to receiving the data from the touch sensor after the determining step.

US Pat. No. 10,299,349

SYNCHRONOUS CONTROL OF NETWORKED LIGHTING DEVICES

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1. A method for near synchronous control of networked lighting devices, the method comprising:receiving a target color point, in a target color space having a target color space resolution, or receiving a target intensity level, in a target intensity space having a target intensity space resolution, and further receiving identifiers for networked lighting devices that are to be synchronously controlled to emit light based on the target color point or target intensity level,
determining whether a target control command based on the received identifiers of the networked lighting devices and the received target color point or the received target intensity level will exceed a maximum control command length, and if the target control command will exceed the maximum control command length:
determining an approximate color space resolution, relating to an approximate color space, of a lower resolution than the target color space resolution, or an approximate intensity space resolution, relating to an approximate intensity space, of a lower resolution than the target intensity space resolution, based on the number of networked lighting devices that are to be synchronously controlled, and further based on the maximum control command length,
determining an approximate color point in the approximate color space based on the target color point or an approximate intensity level in the approximate intensity space based on the target intensity level, and
sending an approximate control command based on the received identifiers of the networked lighting devices that are to be synchronously controlled and the approximate color point or the approximate intensity level.

US Pat. No. 10,257,893

ADAPTIVE LUMINOUS INTENSITY DISTRIBUTION OF LED LUMINAIRES

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1. A luminaire with a light emitting surface comprising an array of light sources, the luminaire further comprising:a LED driver, the array of light sources being connected in series with the LED driver;
a light output tuning unit connected to a certain set of light sources within the array and being able to tune a light output of said certain set of light sources;
an interface adapted to be operated during an installation or commissioning of the luminaire before normal operation of the luminaire, the interface adapted for receiving configuration information at least comprising dimming information; and
a control unit, for fixing the tuning unit according to the received configuration information during normal operation of the luminaire;
wherein the light emitting surface is a planar surface forming said light emitting surface, said certain set of light sources is on at least one edge of the planar surface and
wherein said array of light sources is rectangular and is connected to the LED driver and the light output tuning unit comprises a dimming circuit adapted to dim said certain set of light sources, said dimming circuit including at least one shunt switch adapted to shunt said certain set of light sources off from or on to the LED driver, wherein said certain set of light sources are at two connecting edges of the array, the dimming circuit includes two shunt switches, wherein one of the two shunt switches is in parallel with said certain set of light sources and adapted to bypass or not bypass said certain set of lights sources from the driver and the other one of the two shunt switches is in parallel with a subset of said certain set of light sources that are placed in one of the two connecting edges.

US Pat. No. 10,257,911

METHODS AND APPARATUS FOR LIGHTING UNIT CONFIGURE FOR PRESENCE DETECTION

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1. A method of powering a plurality of LEDs electrically connected to one another and a radar circuit, comprising:providing power from a power supply to a plurality of individually-controllable groups of LEDs via a wire grid during a plurality of first time periods; and
providing power from an output of at least one LED of the plurality of individually-controllable groups of LEDs to a radar circuit via said wire grid during a plurality of second time periods;
wherein said LEDs are unpowered during said second time periods; and wherein said first time periods and said second time periods are mutually exclusive; and
wherein each group of LEDs is individually controllable based on radar frequency signals received at said radar circuit via an antenna input.

US Pat. No. 10,251,250

LIGHTING SYSTEM FAULT DIAGNOSTIC APPARATUS

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1. A diagnostic apparatus for diagnosing a fault within a lighting system, the lighting system comprising a luminaire and a presence sensor, wherein the presence sensor is configured to control a light output characteristic of the luminaire based on detecting an object within a sensing range, the diagnostic apparatus comprising:an interface configured to receive, from a user, an input to control the luminaire, wherein the received input is indicative of the user being within the sensing range of the presence sensor,
a fault determiner configured to determine a lighting system status and a lighting system fault, wherein the lighting system fault is based on the received input and the determined lighting system status,
a fault reporter configured to generate a fault report based on the determined lighting system fault; and
a sensor determiner configured to determine a status of the presence sensor, wherein the fault determiner is configured to determine the lighting system status based on receiving the status of the presence sensor, and further configured to determine a type of lighting system fault based on the lighting system status and the received input; and
wherein the fault determiner is configured to determine a presence sensor fault when the sensor determiner output fails to produce an output indicating the presence sensor detecting an object indicative of the user being within the sensing range.

US Pat. No. 10,254,521

OPTICAL COLLIMATOR FOR LED LIGHTS

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1. A collimating optics for light emitting diode lights (LEDs), comprising:a reflection collimator having a first aperture for receiving an LED light and for allowing incoming light from the LED light to enter said collimator and a second aperture for allowing outgoing light to exit said collimator, the reflection collimator further having a wall element extending from said first aperture to said second aperture and having an inner reflective surface for reflecting a first portion of said incoming light from said first aperture towards said second aperture,
a first convex lens arranged at a distance from the first aperture for refracting a second portion of said incoming light, and
a second convex lens arranged at the second aperture for refracting said outgoing light so as to collimate said outgoing light,
wherein the wall element comprises a first portion that is configured to reflect and diverge incoming light incident on the first portion such that said reflected, divergent light is guided away from the second convex lens;
wherein the first portion of the wall element comprises the first aperture;
wherein the wall element comprises a second portion comprising the second aperture; and
wherein the second portion of the wall element is configured to reflect and collimate incoming light incident on the second portion.

US Pat. No. 10,327,302

RETAIL SPACE LIGHTING CONTROL SYSTEM AND METHOD

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1. A lighting control system for controlling an arrangement of lighting units wherein the lighting units are located in a display area or a space, the lighting control system comprising:a controller for controlling the lighting units for implementing different lighting effects; and at least one sensor for sensing the presence and an identity of at least one visitor to, or immediately outside, the display area or the space and for determining the number of visits of said at least one visitor,
wherein the controller is adapted to implement a change in a lighting effect applied to said display area or said space, wherein said change is triggered by said presence sensing of said at least one visitor and a parameter which is based on the number of visits of said at least one visitor to, or immediately outside, said display area or said space, so as to present said at least one visitor with a new visiting experience to said display area or said space.

US Pat. No. 10,271,389

CONVERTER WITH CONTROL LOOP

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1. A converter for converting an input signal from a source into an output signal destined for a load, the converter comprising a switch for, in response to a control signal, controlling an amplitude of the output signal, the converter further comprising a control loop for, in response to a detection of the amplitude of the output signal, producing the control signal, the control loop comprising:a first circuit for, in response to the detection of the amplitude of the output signal, counting a first number of first time-intervals for which the amplitude of the output signal is above or below a reference amplitude,
a second circuit for controlling and scaling a counting result from the first circuit into the control signal having a control value, and
a third circuit for, in response to the first number of first time-intervals being equal to or larger than a reference number, overruling the second circuit and producing the control signal having a first or second limit value.

US Pat. No. 10,349,473

LED RETROFIT LAMP WITH A STRIKE BARRIER

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1. A strike barrier for driving an LED retrofit lamp comprising:a first silicon controlled rectifier having a gate terminal, a cathode terminal and an anode terminal connected to a bridge rectifier;
a first resistor divider having a first resistor between the gate terminal and the anode terminal, and a second resistor placed between the gate terminal and the cathode terminal of the first silicon controlled rectifier;
a second silicon controlled rectifier having a gate terminal, a cathode terminal and an anode terminal, said anode terminal of the second silicon controlled rectifier is connected to a first node present between the cathode terminal of the first silicon controlled rectifier and the second resistor;
a second resistor divider having a third resistor placed between the gate terminal and the cathode terminal of the second silicon controlled rectifier, and a fourth resistor placed between the gate terminal of the second controlled rectifier and a second node present between the first node and the second resistor;
a fifth resistor in parallel to the first silicon controlled rectifier connecting output from the bridge rectifier to the second silicon controlled rectifier, wherein a first end of the fifth resistor is connected to the input to first silicon controlled rectifier and a second end of the fifth resistor is connected to the first node and the second node;
wherein a third node between the cathode terminal and the gate terminal of the second silicon controlled rectifier is an output of the strike barrier.

US Pat. No. 10,349,494

SYSTEMS AND METHODS FOR LIGHTING CONTROL

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1. A system for managing environmental conditions, the system comprising:a commissioned unit configured to:
receive one or more signals comprising an environmental control request from a controller in communication with the commissioned unit, said environmental control request having a first priority level;
determine whether the commissioned unit in communication with the controller is enabled to carry out the environmental control request;
determine whether there is a competing environmental control request having a second priority level;
compare the first priority level and the second priority level;
adjust, if the first priority level is higher than the second priority level, an environmental condition based on the environmental control request; and,
adjust, if the second priority level is higher than the first priority level, the environmental condition based on the competing environmental control request,
wherein the commissioned unit is further configured to ignore the received environmental control request when the second priority level is higher than the first priority level and to adjust the environmental condition based on the ignored received environmental control request after an amount of time has elapsed.

US Pat. No. 10,314,135

LED RETROFIT LAMP HAVING ACTIVE OVER-CURRENT PROTECTION CIRCUIT

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1. An LED retrofit lamp for being connected to a high frequency electronic ballast, the high frequency electronic ballast being adapted for providing a voltage and a current to the LED retrofit lamp, the LED retrofit lamp comprising:an LED unit,
an adapting unit configured to adapt the voltage and the current provided to the LED retrofit lamp at the output of the high frequency electronic ballast to a voltage and a current for operating the LED unit,
a detecting unit configured to detect an electrical value that depends on the current provided to the LED retrofit lamp at the output of the high frequency electronic ballast, and
a ballast protection unit configured to perform, in dependence of the detected electrical value, a switching operation to electrically disconnect the adapting unit from the high frequency electronic ballast, such that the high frequency electronic ballast is protected from an overcurrent situation,
wherein the adapting unit comprises an LC circuit comprising an inductor and a capacitor,
wherein the inductor of the LC circuit is inductively coupled to an auxiliary winding and the detected electrical value is a voltage value derived from a voltage across the auxiliary winding.

US Pat. No. 10,314,144

INTELLIGENT LUMINAIRE

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1. A luminaire comprising:at least one light source for emitting light to illuminate an environment of the luminaire;
an optical sensor comprising an array of photodetectors, the optical sensor configured to output image data indicative of the intensity of light incident on the photodetectors; and
a controller arranged to receive the image data, the controller comprising:
a presence detection module configured to process the image data to detect whether a being is present in said environment, and to control the light emitted by the at least one light source in response to said detection;
a light sensing module configured to process the image data to determine a light level in said environment and to control the light emitted by the at least one light source based on said light level; and
a commissioning module configured to process the image data to recognize a command transmitted by a remote device indicating that the controller is to operate in a commissioning mode,
wherein based on reception of said command, the controller is configured to operate in the commissioning mode, and while the controller is operating in the commissioning mode, the commissioning module being configured to receive a commissioning command transmitted from the remote device, and to configure the luminaire in accordance with the received commissioning command, and
wherein the commissioning module is configured to recognize said command, based on a detection of an increase in intensity values output by only a subset of the photodetectors, by at least a predetermined amount, within a predetermined period of time.

US Pat. No. 10,314,145

POWER-OVER-ETHERNET LIGHTING SYSTEM

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1. A Power-over-Ethernet (PoE) lighting system comprising:a first power source equipment (PSE) device, wherein the first PSE device is adapted to provide power based on:
a first power received from a first power source or
a second power received from a second PSE device,
the second PSE device for providing the second power to the first PSE device via a first fire-resistant PoE connection in case of emergency,
an emergency lighting device, coupled to the first PSE device via a second fire-resistant PoE connection,
a non-emergency lighting device,
wherein the first PSE device is adapted to detect whether power is received from the second PSE device, and
wherein the first PSE device is further adapted to:
provide power to the emergency lighting device based on the second power via the second fire-resistant PoE connection, if it has been detected that power has been received from the second PSE device,
provide power to the non-emergency lighting device based on the first power, if it has not been detected that power has been received from the second PSE device, wherein the second PSE device is adapted to provide control data via the first fire-resistant PoE connection to the first PSE device for controlling the non-emergency lighting device, and wherein the first PSE device is adapted to consider the provided control data only, if no power is received from the second PSE device.

US Pat. No. 10,309,640

FLOOR COVERING SYSTEM COMPRISING A LIGHTING SYSTEM

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1. A floor covering system comprising:a polyvinyl chloride (PVC) flooring having a user side and an opposite back side; and
a lighting system for generating light, the lighting system provided at the back side of the PVC flooring, the lighting system comprising a plurality of light units, each light unit having one or more light sources disposed on a common substrate;
an auxiliary layer comprising a first side and an opposite second side, the first side of the auxiliary layer positioned at the back side of the PVC flooring, the auxiliary layer further comprising a plurality of openings therethrough, wherein each of the plurality of light units is positioned entirely within a respective one of the openings in the auxiliary layer;
wherein the PVC flooring has a light transmission for light generated by the lighting system in the range of 0.5% to 30% such that the lighting system is not visible through the user side of the PVC flooring, and further wherein the PVC flooring is configured to protect the lighting system from damage when a user walks on the floor covering system; and
wherein the PVC flooring is disposed on at least two of the light units.

US Pat. No. 10,253,930

LIGHTING DEVICE WITH FOLDABLE HOUSING

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1. A lighting device comprising:a lighting device housing formed of an optically transmissive material and including an assembly aid portion,
a light source arranged within said lighting device housing and mounted to a surface of the assembly aid portion,
driver electronics configured to drive said light source, arranged within said lighting device housing in a compartment formed by the assembly aid portion opposite from the surface and the light source,
wherein said lighting device housing comprises:
a first housing portion and a second housing portion connected to each other by a flexible connecting portion, said first housing portion being configured to be folded about said flexible connecting portion to enclose said light source and said driver electronics within said lighting device housing, and;
means for securing said first housing portion to said second housing portion to maintain said lighting device housing in a folded position,
wherein said lighting device housing is formed in one piece and the assembly aid portion is formed as a wall extending transversely with respect to a socket portion of the housing across the first housing portion.

US Pat. No. 10,251,384

LIGHTING SYSTEM FOR INSECT CONTROL

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1. An insect control system, comprising:a light source arrangement comprising one or more light sources with a tuneable spectrum or polarization such that the light source arrangement has a first spectrum and a second spectrum, or a first polarization and a second polarization, wherein the first spectrum or first polarization is for attracting a type of insect more than the second spectrum or second polarization, and wherein the first spectrum and second spectrum, or the first polarization and the second polarization have the same visual appearance to a human.

US Pat. No. 10,271,409

WIRELESS-COMMUNICATION ENABLED LAMPS

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1. A first lamp for use as one of a plurality of wireless-communication enabled components, each respective one of the components being operable in a first mode in which the respective component appears to a commissioning tool as awaiting commissioning and a second mode in which the respective component does not appear to the commissioning tool as awaiting commissioning, and each of the components being configured to begin in the first mode as part of a commissioning process; wherein the first lamp is configured to perform steps of:A) triggering a second one or more of the components to switch to the second mode, so that during the commissioning process the one or more second components will not to appear to the commissioning tool as awaiting commissioning;
B) operating the first lamp in the first mode, following said switching of the one or more second components to the second mode, so that the first lamp will appear to the commissioning tool as awaiting commissioning; and
C) interacting with the commissioning tool on behalf of said one or more second components, in order for the first lamp and one or more second components to be commissioned as a group.

US Pat. No. 10,397,998

DRIVER CIRCUIT AND METHOD

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1. A driver circuit for delivering a current to a load, comprising:an input for receiving an input voltage, comprising first and second terminals;
a driver unit for providing a current for the load from the input voltage, wherein the driver unit comprises a linear driver which comprises a current regulating element (Q3) in series between the input and the load, said current regulating element having a controllable resistive characteristic, an operating current level for the load being controlled by a driver input voltage controlling a resistance of the current regulating element;
a compensation unit in series with the driver unit and the input, for providing a compensating voltage thereby to control the voltage across the driver unit in dependence on the input voltage and operating conditions of the load;
wherein the compensation unit comprises a switch mode power converter and a second capacitor (C2) as an energy source of the switch mode power converter, with the current regulating element (Q3), the load and the second capacitor (C2) in series connection between the first and second terminals, wherein
the second capacitor (C2) is disposed at the output of the load and is adapted to be charged by a portion of the current from said input voltage that has flowed through the current regulating element (Q3) and the load;
wherein the driver input voltage controls a base current of a first transistor coupled to the current regulating element; and
wherein the first transistor controls a collector current of a second transistor coupled to the current regulating element.

US Pat. No. 10,314,134

RETROFIT LED LAMP

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1. A retrofit lamp to be used with a lighting ballast, comprising:a first pair of connection pins (Pin1, Pin2) and a second pair of connection pins (Pin3, Pin4),
a filament emulation circuit between the connection pins of the first pair and/or between the connection pins of the second pair,
a detection circuit (DET1, DET2) comprising a voltage detection element to react to a potentially existing heating voltage across the filament emulation circuit;
an LED arrangement (D1-D4, D41-D44) comprising at least two LED segments (D1-D4; D41-D44); and
a reconfiguration circuit (BD1, BD8, BD12, BD13) adapted to connect the at least two LED segments in a series configuration if the heating voltage is not existing and to connect the at least two LED segments in a parallel configuration if the heating voltage is existing.

US Pat. No. 10,309,585

LIGHT EMITTING DEVICE

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1. A light emitting device comprising:at least one light source, and
a light guide unit comprising at least a first light guide and a second light guide each comprising a light input end surface arranged to receive light emitted from said at least one light source, and a light output end surface arranged opposite said light input end surface, said first light guide and said second light guide of said light guide unit being arranged in a nested relationship,
at least a first part of said first light guide and said second light guide having a thickness and being bent in a bending radius R in between the light input end surface and the light output end surface near said light output end surface, such that said first light guide and said second light guide both bend away from the center axis of the light guide unit in a plane parallel to the center axis;
at least a second part of the light guide unit being substantially straight and extending from the light input end in a direction substantially parallel to the center axis of the light guide unit,
at least said first light guide of said light guide unit being ring-shaped in cross section,
wherein a sum of the thicknesses of the first and second light guides at the first part is approximately equal to a combined thickness of the light guide unit at the second part, wherein the thickness of the first light guide and the second light guide is selected with respect to bending radius R to substantially avoid light leakage through a side surface of the first light guide and a side surface of the second light guide.

US Pat. No. 10,309,856

METHOD OF CALIBRATING A SENSOR

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1. A method of calibrating a given sensor, comprising:initiating a calibration procedure from a mobile device;
establishing a communication between the mobile device and the sensor;
obtaining an identification (ID) of the sensor by the mobile device;
determining a position of the mobile device;
sending a request for calibration data to a calibration data provider, the request comprising at least the identification (ID) of the sensor and the position of the mobile device;
receiving calibration data from the calibration data provider, the calibration data corresponding to currently sensed values by at least one other sensor that is already calibrated and of the same type as the given sensor to be calibrated;
providing the given sensor with the calibration data; and
calibrating the given sensor, based on the calibration data, by adjusting the sensor such that an output of the sensor is in conformance with said calibration data.

US Pat. No. 10,300,297

LIGHT-EMITTING DEVICE AND PHOTO-THERAPY DEVICE COMPRISING A LIGHT-EMITTING DEVICE

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1. A light-emitting device comprising:a light-emitting module comprising a plurality of sets of light-emitting elements, wherein at least two of said sets have a different number of light-emitting elements;
a power module adapted to selectively convey electrical power to the plurality of sets during respective non-overlapping time intervals for powering the respective sets;
a control module being adapted to control the power module to convey power to the plurality of sets during respective non-overlapping time intervals until power has been conveyed to each set of the plurality of sets at least once;
wherein the power module is configured such that it has an upper capacity limit with respect to an electrical power that can be conveyed to the plurality of sets, the upper capacity limit corresponding to an electrical power requirement of a largest set, having a maximum number of light-emitting elements, of the plurality of sets at a given momenta and
wherein the plurality of sets of light-emitting elements are arranged to provide spatially interweaved sets of light-emitting elements and the control module is adapted to convey power to the plurality of sets in such an order so as to minimize average spatial separation between subsequently powered sets of the plurality of sets on basis of the interweaved arrangement of the plurality of sets relatively to each other in the light-emitting device.

US Pat. No. 10,306,737

METHOD FOR CONFIGURING A DEVICE IN A LIGHTING SYSTEM

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1. A method for configuring a first device in a lighting system, the method comprising the steps of:accessing one or more light settings stored in a memory, which light settings are defined by one or more light setting rules, wherein the one or more light setting rules are descriptive of properties of respective light settings,
connecting the first device to the lighting system,
identifying a device property of the first device, wherein the device property Is descriptive of the type of control signals the first device can generate and/or receive;
determining if the device property of the first device is compliant with at least one of the one or more light setting rules of at least one of the one or more light settings, and if so associating the first device with the one or more light settings, and
storing the association.

US Pat. No. 10,288,262

SOLID STATE LIGHTING DEVICE WITH AN ADJUSTABLE REFLECTOR

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1. A solid state lighting device comprising:a housing having a first light exit surface and a second light exit surface;
at least one solid state lighting element contained in said housing for generating a luminous output;
an adjustable reflector contained in said housing having an adjustable orientation status for redirecting said luminous output to one of said first light exit surface and second light exit surface dependent on said orientation status; and
a control member for adjusting the orientation status of the adjustable reflector;
wherein the adjustable reflector comprises a flexible planar element,
wherein the adjustable reflector having the adjustable orientation status has an adjustable shape;
wherein the at least one solid state lighting element comprises a plurality of solid state lighting elements which are arranged in respective first and second rows on opposing surfaces of the housing, and wherein the adjustable reflector having the adjustable shape is adjustable between:a first shape in which the luminous output of the first row of solid state lighting elements is reflected towards the first light exit surface and the luminous output of the second row of solid state lighting elements is reflected towards the second light exit surface opposing the first light exit surface; anda second shape in which the respective luminous outputs of the first and second rows of solid state lighting elements are reflected towards the first light exit surface.

US Pat. No. 10,252,022

COLOR LIGHTING SYSTEM TO INFLUENCE PERCEPTION OF AMBIENT TEMPERATURE

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1. A lighting control device comprising:a processor configured to select, on the basis of a predetermined criterion, a particular group among a plurality of groups of color of light, said color of light having been categorized into groups on the basis of dominant wavelength, where each group of colors is arranged to influence a vertebrate's thermoregulation in a particular manner,
and said processor further configured to generate a control signal for controlling the dominant wavelength of light emitted from a plurality of light sources in accordance with the selected group of colors;
a transmitter configured to transmit the generated control signal to said plurality of light sources for said plurality of light sources to emit light of the selected group of colors, thereby influencing the thermoregulation of the vertebrate being exposed to the light of the selected group of colors emitted by said plurality of light sources on the basis of said predetermined criterion;
the transmitter configured to transmit the control signal to a climate control device configured to control a climate control system, the control signal indicating whether to lower or increase the output temperature of the climate control system depending on the selected group of colors and to influence the thermoregulation of the vertebrate;
wherein the output temperature of the climate control system is lowered when the predetermined criterion is to lower heating energy consumption of the climate control system, for which criterion a group of colors having a dominant wavelength in the range of about 576-700 nm is selected; or the output temperature of the climate control system is increased when the predetermined criterion is to lower cooling energy consumption in the climate control system for which criterion a group of colors having a dominant wavelength in the range of about 460-520 nm is selected; and
wherein the processor is further configured to form a basis for the categorization of color of light into groups based on properties not defined by the CIE1931 chromaticity diagram.

US Pat. No. 10,274,161

LED SPOT WITH CUSTOMIZABLE BEAM SHAPE, BEAM COLOR AND COLOR UNIFORMITY

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1. A lighting unit comprising a lighting device, wherein the lighting device comprises a light source configured to provide light source light and beam shaping optics configured to shape the light source light into a lighting device beam, wherein the lighting device comprises a window comprising an upstream face directed to the light source and a downstream face, wherein the lighting unit further comprises a beam modifier configured adjacent to the window and configured to intercept at least part of said lighting device beam, wherein the lighting device and the beam modifier are configured to modify said lighting device beam to provide a lighting unit beam downstream from said beam modifier, wherein the beam modifier comprises a printed beam modifying element, and wherein the beam modifying element is configured to intercept up to 80% of a cross-section of said lighting device beam,wherein the beam modifier comprises a 3D printed beam modifying element and is configured to modify the lighting device beam by one or more of polarization filtering and spectral converting the lighting device beam, and
wherein the beam shaping optics comprises one or more of a lens, a TIR lens, a Fresnel lens, and a reflector.

US Pat. No. 10,267,505

PORTABLE LIGHTING DEVICE

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1. A portable lighting device comprising:at least one light source arranged to emit light to illuminate an environment of the portable lighting device;
at least one sensor, each of the at least one sensor arranged to provide a sensor output signal; and
a control module arranged to receive the sensor output signal from each of the at least one sensor, wherein the control module is configured to:
detect user manipulation of the portable lighting device relative to a support surface on which the portable lighting device is supported based on one or more of the at least one sensor output signal; and
control the light emitted from the at least one light source based on the detected user manipulation;
detect translational movement of the portable lighting device relative to said support surface based on one or more of the at least one sensor output signal; and
control the light emitted from the at least one light source based on the detected translational movement.

US Pat. No. 10,271,408

USER INTERFACE WITH POSITION AWARENESS

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1. A user interface device (UID) for controlling one or more lighting systems having one or more light sources, the UID comprising:a sensor determines a location of the UID in relation to said one or more lighting systems, said sensor determines said location based on information carried in one or more signals emitted by the one or more light sources, said one or more light sources measures at least one of a strength and a time of flight of a UID signal from said UID and sends said measured at least one of strength and time of flight of said UID signal to the UID which determines said location of the UID, wherein the one or more light sources communicate wirelessly with the UID: and
a controller determines at least a nearest light source of said one or more lighting systems relative to said location of said UID and controls at least one lighting attribute of said nearest light source in accordance with said location based on parameters, presets or modes of operation associated with the nearest light source or with a group of light sources including the nearest light source.

US Pat. No. 10,264,640

PHASE-CUT DIMMER DEVICE AND METHOD OF PHASE-CUT DIMMING FOR A LIGHTING UNIT CONTROLLED BY A ROCKER-TYPE USER INTERFACE

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1. A device, comprising:a bidirectional triode thyristor configured to supply an AC input voltage to one or more lighting units when the bidirectional triode thyristor is triggered;
a triggering circuit configured to trigger the bidirectional triode thyristor, the triggering circuit including a variable resistance element, wherein a resistance of the variable resistance element sets a triggering time during each half cycle of a period of the AC input voltage when the bidirectional triode thyristor is triggered; and
a controller configured to receive a dimming input signal from a reference-free user interface in response to a user interaction with the reference-free user interface, wherein the controller is further configured in response to the dimming input signal to produce at least one electrical signal and to supply the at least one electrical signal to the variable resistance element to control the resistance of the variable resistance element to set the triggering time for triggering the bidirectional triode thyristor so as to control a light output by the one or more lighting units in response to the dimming input signal.

US Pat. No. 10,262,527

COMMISSIONING OF REMOTELY MANAGED INTELLIGENT LIGHTING DEVICES

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1. An apparatus adapted to perform an at least partially automated commissioning of a lighting device at installation, comprising:a wireless interface configured to communicate over a pre-existing public wireless network, pre-existing at said installation;
a positioning module configured to determine a location of the lighting device;
a local control module disposed within the lighting device and executing code stored on a storage device incorporated in the lighting device, as part of said commissioning, to determine the location of the lighting device using the positioning module, to automatically retrieve an identifier of the lighting device, and to transmit commissioning information to a register of a lighting management system by transmitting the commissioning information over said pre-existing public wireless network via said wireless interface, the commissioning information comprising the identifier of the lighting device along with the location of the lighting device as determined using said positioning module; and
a subscriber identity module in the lighting device for storing a first security data element arranged to be used to authenticate the apparatus to the public wireless network,
a unique identity module in the lighting device for storing a second security data element arranged to be used to authenticate the apparatus to the lighting management system,
wherein the transmission of the commissioning information over said pre-existing public wireless network is the first communication performed by the local control module upon installation by a given user at a given site, before communicating externally via any other means.

US Pat. No. 10,243,689

INTERFERENCE MITIGATION IN WLAN/WPAN CO-EXISTENCE NETWORKS

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1. A wireless personal area network, WPAN, node operating on a first WPAN channel and adapted to provide interference mitigation, the interference originating from a wireless local area network, WLAN, using a clear channel assessment, CCA, function to cause the WLAN to transmit, the WLAN operating on a WLAN channel having a bandwidth greater than the first WPAN channel bandwidth, the wireless network node comprising:an interference detector adapted to generate an interference indicator upon detection of an interfering signal in the first WPAN channel;
at least one transmitter adapted to transmit a jamming signal; and,
a processor operably coupled to the interference detector and the transmitter, the processor being adapted to operate in at least one of:
a normal mode in which the processor is configured to determine whether an interference indicator is greater than a given interference threshold; and,
a mitigation mode, operable when the interference indicator is greater than the given interference threshold, in which the processor is configured to:
generate the jamming signal; and,
determine one neighbouring second WPAN channel different from the first WPAN channel, based on at least the interference indicator, the second WPAN channel being at least partly comprised within the WLAN channel bandwidth; and,
instruct the transmitter to continuously transmit the jamming signal in the second WPAN channel during a predetermined time period, at a given output power level sufficiently high so that the CCA function on the WLAN does not temporarily cause the WLAN to transmit on the WLAN channel.

US Pat. No. 10,334,669

LED ARRANGEMENT AND LED DRIVING METHOD

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1. A lighting circuit comprising:an input adapted to receive a time-variable input voltage;
a first plurality of LEDs having a first forward voltage;
a second plurality of LEDs having a second forward voltage, the second forward voltage being at least double the first forward voltage;
a plurality of LED segments comprising at least a first LED segment and a last LED segment, wherein the first LED segment comprises more LEDs of the first plurality of LEDs than the second plurality of LEDs, wherein the last LED segment comprises more LEDs of the second plurality of LEDs than the first plurality of LEDs;
a switch network coupled to the plurality of LED segments,
wherein the switch network, including a plurality of switches elements respectively coupled to the plurality of LED segments, is adapted to:
switch only the first LED segment when an amplitude of the time-variable input voltage is below a first threshold, and
switch the first LED segment and the last LED segment in series when the amplitude of the time-variable input voltage is above a last threshold, such that a total forward voltage of the plurality of LED segments is selected in dependence on the amplitude of the time-variable input voltage.

US Pat. No. 10,334,705

USER DETERMINABLE CONFIGURATION OF LIGHTING DEVICES FOR SELECTING A LIGHT SCENE

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1. A method of controlling a plurality of lighting devices in a user determinable configuration, the method comprising:receiving positional data comprising the positions of multiple of the plurality of lighting devices in the user determinable configuration,
determining, based on the received positional data, a shape of the configuration of the plurality of lighting devices,
receiving a set of light scenes, each light scene of the set of light scenes associated with a shape,
selecting a light scene from the set of light scenes by matching the determined shape to the shape associated with the light scene, and
controlling the plurality of lighting devices based on the selected light scene.

US Pat. No. 10,310,277

LIGHT EMITTING DEVICE WITH COOLING ELEMENTS

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1. A light emitting device comprising:a first light source and a second light source, the first light source and the second light source being adapted for, in operation, emitting first light with a first spectral distribution,
a luminescent element comprising a first light input surface, a second light input surface, a light exit surface extending in an angle different from zero to both the first light input surface and the second light input surface, a first further surface and a second further surface,
the luminescent element being adapted for receiving the first light with the first spectral distribution at the first light input surface and the second light input surface, converting at least a part of the first light with the first spectral distribution to second light with a second spectral distribution, guiding the second light with the second spectral distribution to the light exit surface and coupling the second light with the second spectral distribution out of the light exit surface,
the light emitting device further comprising a first cooling assembly and a second cooling assembly, the first cooling assembly comprising a first cooling element and a first light source board on which one of the first light source and the second light source is mounted, and the second cooling assembly comprising a second cooling element and a second light source board, on which the other one of the first light source and second light source is mounted; and
characterized by:
one of the first cooling assembly and the second cooling assembly being arranged with a surface in mechanical and thermal contact with the first further surface of the luminescent element thereby forming a first interface and the other of the first cooling assembly and the second cooling assembly being arranged with a surface in mechanical and thermal contact with the second further surface of the luminescent element thereby forming a second interface,
the first interface and the second interface comprising a flatness of less than 10 ?m, and
the root mean squared surface roughness, RRMS, of the first further surface and the second further surface of the luminescent element being comprised in the interval 1 ?m

US Pat. No. 10,313,009

CODED LIGHT

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1. A device comprising:an input for receiving a signal from a rolling-shutter camera which captures frames of a given duration at a given frame rate by exposing a plurality of lines of each frame in sequence, the signal comprising a coded light signal;
a signal processing module connected to said input and arranged to obtain, via said input, a respective sample of the coded light signal from each of a number of said lines, said number of lines being exposed over a duration, and said number being a substantially smaller number of said lines than the plurality of lines exposed by the camera in each frame;
wherein the coded light signal comprises multiple repetitions of a message wherein the message has a duration longer than the duration over which said number of lines are exposed, and wherein said multiple repetitions of the message are received with a timing such that a different part of the message is seen by the camera in each of a plurality of different ones of said frames;
wherein the signal processing module, based on the frame duration and message duration, is configured to time align the different parts of the message from the plurality of different frames; and reassemble the message from the time-aligned parts by performing at least the following steps:
(i) for each of multiple frames, establish a sample per image line;
(ii) collect all active samples of a given frame into a time-sequence, each positioned at the respective time at which the sample from that line was located within the frame, thereby forming a frame signal for each frame;
(iii) time-aligning the frame signals across the message duration;
(iv) reassembling the message from the time-aligned frame signals.

US Pat. No. 10,299,441

HORTICULTURE LIGHTING DEVICE AND A METHOD TO STIMULATE PLANT GROWTH AND BIO-RHYTHM OF A PLANT

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1. A horticulture lighting device, comprising:a first solid state light source arranged to emit direct red light having a maximum emission wavelength of 600 to 680 nm, preferably 640 to 680 nm,
a wavelength converting member arranged to receive at least part of said direct red light emitted from said first solid state light source and to convert said received direct red light to far-red light having a maximum emission wavelength of 700 to 760 nm, preferably 720 to 760 nm,
an additional solid state light source arranged to emit said direct red light, and
a reflective panel arranged in between the first solid state light source and said additional light source to reduce light impinging on said wavelength converting member from said additional light source;
wherein each of said solid state light sources, the reflective panel, and said wavelength converting member is assembled to a single unit; and,
wherein a ratio of said direct red to said far-red light emitted from said lighting device is set by adjusting the fraction of said direct red light impinging on said wavelength converting member from said first solid state light source and by independently regulating the intensity of light emitted by each of said solid state light sources.

US Pat. No. 10,295,085

CABLE ANCHOR

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1. A method for attaching a cable to a sheet, comprising:mounting a second clamp portion to a first side of a sheet, so that a second cable receiving portion protrudes through the sheet to receive the cable at a second side of the sheet opposite to the first side;
positioning the cable in the second cable receiving portion;
positioning a first clamp portion with a first cable receiving portion over the cable so that the cable is between the first and second cable receiving portions thus sandwiching the cable and the sheet between the first and second clamp portions; and
securing the first and second clamping portions to each other so that the first and second cable receiving portions co-operate to retain the cable;
wherein the step of attaching the second clamp portion to the sheet comprises securing the second clamp portion to the sheet with mounting members that protrude from a mounting surface of the second clamp portion;
wherein the step of attaching the second clamp portion to the sheet comprises;
aligning at least one flexible mounting member with at least one mount aperture in the sheet,
pressing the second clamp portion towards the first side of the sheet,
displacing the distal end of the at least one flexible mounting member as it passes through the at least one mount aperture,
releasing the pressure from the second clamp portion thus allowing the distal end of the at least one flexible mounting member to return from its displaced position.

US Pat. No. 10,288,227

DIMABLE LIGHT EMITTING ARRANGEMENT

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9. A dimmable light emitting arrangement comprising:a first light source adapted to emit light of a first wavelength range between 380 and 460 nm,
a second light source adapted to emit light of a second wavelength range between 570 and 610 nm,
a first wavelength converting member comprising a first portion including a first wavelength converting material and a second portion including a second wavelength converting material, wherein the second portion is disposed on top of the first portion,
a second wavelength converting member including the second wavelength converting material;
wherein the first wavelength converting member is arranged remote from the second wavelength converting member and is configured to solely receive unconverted light emitted from the first light source, the first wavelength converting material of the first portion being configured to convert at least a portion of the light of the first wavelength range into light having an emission peak within a third wavelength range between 470 and 570 nm, wherein the second wavelength converting material of the second portion is configured to convert light of the first wavelength range into light having an emission peak within a fourth wavelength range between 590 and 630 nm,
wherein the second wavelength converting member is arranged remote from the first wavelength converting member and is configured to solely receive unconverted light emitted from the second light source, the second wavelength converting material of the second wavelength converting member being configured to convert light of the second wavelength range into light having an emission peak within the fourth wavelength range.

US Pat. No. 10,292,225

METHODS AND APPARATUS FOR ADAPTABLE LIGHTING UNIT

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1. An adaptable LED-based lighting unit, comprising:a plurality of LEDs producing a light output having at least one adaptable light output characteristic;
a controller electrically coupled to the plurality of LEDs and controlling the at least one adaptable light output characteristic in accordance with received lighting configuration data comprising light distribution or color temperature data; and
an RFID reader to receive said lighting configuration data and transmit said lighting configuration data to said controller;
wherein said lighting configuration data is selected from a set of predefined lighting configuration data comprising light distribution or color temperature data, is received in response to integration of said LEDs within a particular lighting implementation, and is specific to said particular lighting implementation.

US Pat. No. 10,292,246

AREA ILLUMINATION SYSTEM AND METHOD

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1. An illumination system for generating a predefined illumination pattern on an area, the system comprising:a plurality of luminaires, each luminaire having an orientation adjustment mechanism and being arranged to generate a contribution to said predefined illumination pattern on a part of said area;
a plurality of cameras, each camera associated with at least one of said luminaires for capturing an image of an illuminated part of said area including the contribution generated by said associated luminaire;
a data storage device storing a light plan including positional information and aiming information for each luminaire; and
a control unit adapted to facilitate the generation of the predefined illumination pattern by:
evaluating one of said images to determine a deviation from the predefined illumination pattern for the illuminated part of said area captured in said image;
selecting a luminaire from said plurality of luminaires based on information contained in said light plan; and
generating an orientation adjustment signal for the selected luminaire based on the determined deviation.

US Pat. No. 10,284,927

COMMISSIONING LOAD DEVICES VIA CHALLENGE-RESPONSE-TIMING

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1. A commission device configured to commission load devices, which commission device comprisesa first transmitter configured to transmit an activation signal to a load device for activating this load device,
a second transmitter configured to transmit a number of challenge signals to the activated load device, which activated load device is configured to respond to the number of challenge signals by sending back a response signal per challenge signal to the commission device,
a first receiver configured to receive the response signals from the activated load device, and
a controller configured to determine time-intervals present between transmissions of the challenge signals and receptions of the response signals, which controller is further configured to derive a position of the load device from an analysis of the time-intervals.

US Pat. No. 10,281,639

SOLID STATE LIGHTING STRIP FOR MOUNTING IN OR ON A PANEL SUPPORT ELEMENT OF A MODULAR PANEL SYSTEM

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1. A modular panel system comprising a primary panel support element, a secondary panel support element detachably coupled to the primary panel support element, and a solid state lighting strip integrated with the secondary panel support element, the solid state lighting strip comprising:a housing having a top surface facing the secondary panel support element and a bottom surface including a light exit window,
a plurality of solid state lighting elements disposed in the housing,
a light extraction layer disposed in the housing and between the solid state lighting elements,
a glare reducing layer at the light exit window, and
shielding reflectors between the lighting elements and the glare reducing layer,wherein the light extraction layer and the glare reducing layer are arranged opposite each other,wherein the plurality of solid state lighting elements are arranged adjacent to the light extraction layer such that light emitted by said solid state lighting elements is coupled into the glare reducing layer via the light extraction layer and the light exits through the light exit window of the housing,wherein the plurality of solid state lighting elements comprises a first group of solid state lighting elements and a second group of solid state lighting elements on opposite sides of the light extraction layer, andwherein a pitch of the solid state lighting elements in said groups is less than twice of a width of the light extraction layer.

US Pat. No. 10,277,455

METHOD FOR OPERATING A NODE IN A NETWORK AND NODE DEVICE

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1. A method for operating a node in a network, said network further comprising a resource restricted device, the method comprising the steps of(a) placing an ACK message in a buffer of the node, when said buffer does not contain a buffered message to be transmitted to the resource restricted device;
(b) after step (a), detecting a received message transmitted by the resource restricted device;
(c) transmitting the ACK message or the buffered message to the resource restricted device after detection of the received message;
the method further comprising repeating steps (a) to (c) after the ACK message or the buffered message has been transmitted, wherein the buffer always contains a message ready to be sent.

US Pat. No. 10,274,164

LIGHTING DEVICE COMPRISING A PLURALITY OF DIFFERENT LIGHT SOURCES WITH SIMILAR OFF-STATE APPEARANCE

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1. A lighting device comprising:a plurality of different light sources with a first subset of one or more first light sources configured to provide first light source light and a second subset of one or more second light sources configured to provide second light source light having a spectral distribution different from the first light source light;
wherein the one or more first light sources have a light-source off-state color appearance;
wherein the one or more second light sources comprise one or more optical filters;
wherein the one or more optical filters are selected to convert less than 20% of said second light source light;
wherein each optical filter is associated with a respective second light source; and
wherein the one or more optical filters have the same color appearance as the off-state color appearance of the one or more first light sources.

US Pat. No. 10,278,263

CONTROLLER FOR A LIGHTING ARRANGEMENT

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1. A configurable controller for a lighting arrangement having one or more light emitting elements, the configurable controller comprising:a user interface arrangement, comprising a touch sensitive area, adapted to receive a user input for controlling the lighting arrangement, and
a communication unit adapted to receive, from a user via a remote device, a configuration input indicative of a desired configuration of the user interface arrangement; and
a processing unit,
wherein the processing unit is adapted to map a range of selectable values of an output characteristic of the lighting arrangement to the touch sensitive area based on the received configuration input and further based on at least one characteristic of the touch sensitive area, and wherein the processing unit is further adapted to control the lighting arrangement based on the received user input according to the mapped range of selectable values,
wherein the processing unit is adapted to generate second output data comprising information relating to the at least one characteristic of the touch sensitive area,
wherein the communication unit is adapted to send the second output data to the remote device; and
wherein the at least one characteristic of the touch sensitive area comprises at least one of:
dimension, shape and resolution of the touch sensitive area.

US Pat. No. 10,267,461

LIGHTING MODULE AND LIGHTING DEVICE COMPRISING THE LIGHTING MODULE

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1. A lighting device comprising:a lighting module comprising:
a light-transmissive, elongated member having an inner surface which at least in part defines a light-guiding region within the elongated member; and
a plurality of light-emitting elements, each light-emitting element being configured to emit light, wherein the light-emitting elements are coupled to the inner surface of the elongated member such that an optical axis of at least one of the light-emitting element is non-perpendicular with respect to a longitudinal axis of the lighting module;
wherein the longitudinal axis of the lighting module is an axis of rotational symmetry of the lighting module such that the elongated member has a circular cross-sectional shape perpendicular to the longitudinal axis;
wherein the elongated member has at least a first end and a second end that are aligned along the longitudinal axis and are both open to permit passage of fluid therethrough and into and out of the first end and the second end, respectively;
the lighting device further comprising a light-transmissive envelope enclosing the lighting module; and
wherein the light-transmissive envelope defines a fluidly sealed and enclosed space within which the lighting module is arranged.

US Pat. No. 10,267,462

HIGH INTENSITY WHITE LIGHT SOURCE

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1. A white light source, comprising:a first light source adapted to emit first light;
a reflecting wavelength converting element arranged to receive first light from the first light source and at least partly convert it to converted light; and
a second light source adapted to emit blue light which in use combines with the converted light to generate white light;
wherein the white light source further comprises a beam shaping element adapted to adjust the intensity profile of the blue light emitted by the second light source to match the intensity profile of the converted light.

US Pat. No. 10,264,435

METHOD AND APPARATUS FOR PROVIDING ACKNOWLEDGEMENT INDICATORS IN A WIRELESS COMMUNICATION NETWORK

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1. A resource restricted user-operated device providing control commands over a wireless acknowledgement-based communication network to a destination device upon actuation by a user wherein the resource restricted user-operated device receives user input to trigger a user-perceivable reaction of the user-operated device or a system controlled by it, the resource restricted user-operated device comprising:a detector configured to detect an actuation pattern of the user-operated device upon actuation of a user;a processing unit, wherein the processing unit is configured to:compare the detected actuation pattern with a predetermined pattern;
generate an acknowledgement indicator for transmission to the wireless acknowledgement-based communication network indicative of a successful or unsuccessful transmission of a previously sent control command to the destination device in dependence of a comparison result of the actuation pattern with the predetermined pattern; and
wherein the detector comprises a capacitor adapted to store energy harvested during actuation of the user-operated device by a user and to discharge at a predetermined rate; wherein the detector is further adapted to determine a residual charge in the capacitor upon actuation by a user; and wherein the processing unit is further configured to generate the acknowledgement indicator in dependence of a value of the residual charge.

US Pat. No. 10,264,516

NETWORK DISCOVERY WITH TOUCHLINK OPTION

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1. A wireless touchlink target device for controlling network and device discovery in a ZigBee Light Link network, wherein said wireless touchlink target device is adapted to initiate a network discovery search scan over a plurality of different channels in order to transmit a beacon request command from said device on each of said plurality of different channels and wait for a beacon response during a first duration on each of said plurality of different channels, wherein said wireless touchlink target device is adapted to perform network discovery for obtaining a Medium Access Control association, wherein said wireless touchlink target device is adapted to initiate, during said network discovery search scan, at least one intermittent switch to a device discovery listening mode in which said wireless touchlink target device listens on a predetermined channel for a second duration to allow receipt of a scan request command for device discovery by a touchlink initiator device, and wherein said wireless touchlink target device is configured to allow the one intermittent switch to be in device discovery listening mode while simultaneously performing said network discovery search scan over a single continuous period.

US Pat. No. 10,263,510

DC/DC RESONANT CONVERTERS AND POWER FACTOR CORRECTION USING RESONANT CONVERTERS, AND CORRESPONDING CONTROL METHODS

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1. An AC/DC PFC converter, comprising:an AC input;
a rectifier;
a half bridge inverter comprising a first switch and a second switch, wherein a first output is defined from a node between the switches;
a self-oscillating resonant circuit coupled to the first output and having a second output for providing a converter output voltage or current and wherein the self-oscillating resonant circuit is arranged for providing an electrical feedback parameter; and
a self-oscillating control circuit for generating a gate drive signal for controlling the switching of the first switch and second switch in dependence on the electrical feedback parameter in order to control the converter output voltage or current, wherein a high gate drive signal turns on one switch and turns off the other switch and a low gate drive signal turns off the one switch and turns on the other switch, wherein the control circuit comprises:
an input for receiving a threshold value for the electrical feedback parameter;
an output circuit for generating the gate drive signal based on a comparison of the electrical feedback parameter with the threshold in a first mode; and
a timeout circuit arranged to provide a restart signal for restarting switching of the gate drive in a second mode wherein the electrical feedback parameter fails to achieve the desired threshold.

US Pat. No. 10,263,532

MULTIPLE POWER SOURCES FOR A SWITCHING POWER CONVERTER CONTROLLER

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1. An apparatus comprising:a first power supply having a first source follower transistor to conduct a start-up current for a controller and supply an operating voltage for the controller; and
a second power supply having a second source follower transistor to conduct a steady-state operational current for the controller and supply an operating voltage from a supply node for the controller, wherein a source of the first source follower transistor and a source of the second source follower transistor are coupled to the supply node and, during operation of the apparatus, when the source of the second source follower transistor is biased with the operating voltage at the supply node to cause the second source follower transistor to turn ON, the second source follower transistor changes the operating voltage and the change in the operating voltage at the supply node causes the first source follower transistor to automatically turn OFF.

US Pat. No. 10,243,756

LIGHTING CONTROL

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1. An apparatus comprising:a transmitter for controlling one or more luminaires which illuminate at least part of an environment occupied by a user, and/or controlling one or more domestic or office appliances available in said environment; and
a controller configured to provide control functionality for controlling the luminaires and/or appliances via the transmitter;
wherein the controller is configured to receive an altitude measurement from an altimeter disposed about the user's person and to perform an assessment, based on said measurement, of a proximity of an altitude of the user to an altitude of each of the luminaires and/or appliances, and based on the assessment to provide said control functionality in dependence on the altitude of the user relative to the altitude of each of the luminaires and/or appliances.

US Pat. No. 10,302,274

LUMINAIRE, MODULAR SURFACE COVERING ARRANGEMENT AND LUMINAIRE KIT

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1. A luminaire comprising:a cover plate including a light exit window and a region surrounding the light exit window, at least a part of said region comprising a plurality of protrusions as first fixing members;
a reflector comprising at least one edge, the edge comprising a plurality of holes as second fixing members; wherein the protrusions extend through the holes, each protrusion having a portion extending beyond the opening through which the protrusion extends, said portion being bent over an edge of the opening to secure the reflector on the cover plate;
a plurality of solid state lighting elements within an inner volume delimited by the reflector and the cover plate, wherein the solid state lighting elements are arranged to direct their luminous output towards the light exit window;
wherein the region comprises a rim fully around the light exit window that is angled to a main surface of the cover plate, the protrusions extending from the rim;
a diffuser plate mounted in between the reflector and the cover plate such that the diffuser plate covers the entire light exit window; and
wherein the diffuser plate comprises an outer region and is dimensioned such that the outer region is placed between the at least one reflector edge and the cover plate region, the outer region comprising a plurality of notches arranged to allow the protrusions to extend into the holes.

US Pat. No. 10,295,153

OPTICAL SYSTEM FOR PRODUCING UNIFORM ILLUMINATION

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1. An optical system for producing uniform illumination on a target, comprising:a body;
a recess formed on a bottom side of the body at a central region thereof accommodating a light source arranged in an integration zone, the recess having a side entry surface and a central entry surface;
a total internal reflection surface provided at a side surface of the body, wherein the total internal reflection surface comprises a plurality of first lenslets, each of the first lenslets being radially adjacent to one or more others of the first lenslets and circumferentially adjacent to one or more others of the first lenslets; and
an exit surface provided at a top side of the body, the exit surface comprising a plurality of second lenslets, each of the second lenslets being radially adjacent to one or more others of the second lenslets and circumferentially adjacent to one or more others of the second lenslets;
wherein each of the first lenslets forms a pair with a respective one of the second lenslets, such that a distance separating each pair of lenslets is substantially equal to a focal length of both the first and second lenslet in that pair;
wherein the light source provides light to the total internal reflection surface through the side entry surface;
wherein the first lenslets of the pairs image the light source from the integration zone on the second lenslets of the pairs; and
wherein the second lenslets of the pairs image the first lenslets of the pairs on the target,
such that the optical system produces uniform illumination on the target.

US Pat. No. 10,298,326

CODED LIGHT

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1. A device for processing and/or decoding an input signal, the device comprising:a camera configured to capture the input signal (X(f)); and
a processor, wherein the processor includes a Wiener filter for equalizing an effect of a first filter on the input signal (X(f)) which is subject to the first filter and to noise and/or interference (N(f)), wherein
the first filter is dependent on at least one unknown quantity;
the Wiener filter is configured based on an averaged representation of the first filter averaged over said at least one unknown quantity, in place of a representation of the first filter being assumed to be known; and
wherein said averaged representation comprises an average of the conjugate of the first filter; and
wherein the input signal (X(f)) comprises a coded light signal captured by a rolling shutter acquisition process whereby each line of a frame is exposed in turn for an exposure time, said Wiener filter being a result of the rolling shutter acquisition process with the exposure time being said plurality of unknown quantities.

US Pat. No. 10,297,140

EMERGENCY RESPONSE AND TRACKING USING LIGHTING NETWORKS

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1. A method of obtaining a health condition and target location of a user associated with a body worn device including a sensor, the method comprising acts of:monitoring an indication of, using the sensor of body worn device, a health condition of user;
determining, using the indication, whether a predetermined health condition is present in the user;
maintaining a database, in a sewer, of information describing geographic locations of a plurality of lighting units, each lighting unit transmitting an identifier using modulated light;
providing the body worn device with a lighting unit identifier sensor, the sensor receiving lighting unit identifiers of at least one of the plurality of lighting units;
transmitting, by the body worn device, the received lighting unit identifiers with the indication in a message to the server via a network; and
providing, by the server, a geographic location corresponding to the target location of the body worn device, using the database and the received lighting unit identifiers; and
wherein said sensor and said lighting unit identifier sensor are a same camera for both receiving said lighting unit identifiers and sensing said a health condition of the user.

US Pat. No. 10,281,128

LIGHTING DEVICE COMPRISING A SPLIT LIGHTING ENGINE

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1. A lighting device comprising:a split lighting engine with at least two thermally separated sub-engines, said lighting device further comprising an envelope and common driver circuitry connected to each sub-engine, the common driver circuitry adapted to provide an electric current or power to each sub-engine, wherein the sub-engines are arranged within the envelope along an optical axis of the lighting device, wherein each sub-engine comprises:
at least one solid state light source connected to the common driver circuitry; and
a component connected to the common driver circuitry, the component adapted to regulate the electric current or power to the at least one solid state light source based on a thermal environment of each sub-engine,
wherein each sub-engine adapts to and operates at a maximum temperature and light output based on the thermal environment.

US Pat. No. 10,285,245

LIGHT SCENE CREATION OR MODIFICATION BY MEANS OF LIGHTING DEVICE USAGE DATA

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1. At least one processor for use in conjunction with a lighting system including at least one lighting device adjustable with respect to intensity, beam shape, beam direction, color, saturation, hue and/or color temperature of light emitted, the at least one lighting device having a plurality of variable attributes relating to use of the at least one lighting device, wherein the variable attributes relating to use of the at least one lighting device include attributes determinative of properties of light emitted by the at least one lighting device, wherein the variable attributes determinative of properties of light emitted by the at least one lighting device include intensity, beam shape, beam direction, color, saturation, hue, and/or color temperature of light emitted by the at least one lighting device, each attribute having a range of available values, the lighting system being configured such that adjustment of at least one of the plurality of variable attributes relating to use of the at least one lighting device can be carried out by means of transmitting control signals to the respective at least one lighting device, the processor being configured to: receive usage data from the lighting system, the usage data relating to any change in value or values of at least one attribute during use of the at least one lighting device, on basis of the usage data, determine a lighting device settings profile for the at least one lighting device, the lighting device settings profile defining a mode of use of the at least one lighting device that is determined by the processor based on the usage data; and on basis of the lighting device settings profile, generating the control signals for controlling the at least one lighting device based on the defined mode of use determined for the respective at least one lighting device; wherein the processor is configured to receive second data defining a lighting scene and to determine said control signals based on both said second data and said usage data such that said control signals cause light output of the lighting device to replicate said lighting scene based on said usage data.

US Pat. No. 10,285,248

TRANSMITTER COMPRISING A TRANSMISSION QUEUE AND CORRESPONDING SOURCE DEVICE

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1. A transmitting device comprising:a transmitter; and
a controller for receiving transmission requests from a request source, each of the transmission requests requesting transmission of a corresponding message from the transmitter;
wherein the controller comprises a queue for queuing data in a sequence of queue places, the controller being configured to queue the transmission requests in respective ones of the places in an order from a front of the queue backwards, and to enact the transmission request at the front of the queue by controlling the transmitter to perform the transmission of the corresponding message; and
wherein the controller is configured to detect that at least one of said transmission requests is to be treated as a repeating request, and in response to re-insert the repeating request in the queue in one of places farther back than the front after transmission of the corresponding message, so as to retransmit the corresponding message at least once.

US Pat. No. 10,368,420

APPARATUS AND METHODS THEREOF FOR CONTROLLING LIGHT EMITTING DEVICES

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1. A lighting control apparatus for controlling light emitted from at least one light emitting device using one or more control signals;the apparatus comprising:
a lighting input receiving device for receiving light control input data associated with a first user, the light control input data being a lighting request input for controlling a lighting effect light emitted from the at least one light emitting device;
a user data receiving device for receiving data associated with a physiological or cognitive state of a second user;
a processor for generating the one or more control signals based upon the light control input data and the data associated with the physiological or cognitive state of the second user;
a lighting control output unit configured to output the one or more control signals.

US Pat. No. 10,330,266

LED WITH THERMO-RESPONSIVE BLACK-BODY LINE DIMMING

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1. A lighting device comprising a light source configured to generate light source light and a light converter element, wherein the light converter element comprises a light transmissive matrix, wherein the light transmissive matrix comprises:(i) a first luminescent material configured to convert at least part of the light source light into a first luminescent material light; and
(ii) a thermo-responsive liquid crystalline compound;
wherein the first luminescent material is formed as a plurality of regions embedded in the thermo-responsive liquid crystalline compound,
wherein the light transmissive matrix is configured to be in thermal contact with the light source,
wherein the lighting device is further configured to provide lighting device light comprising said light source, and said first luminescent material light, and
wherein said light converter element is arranged for changing one or more of the color and color temperature of the lighting device light with the electrical power provided to the light source.

US Pat. No. 10,330,297

LIGHTING DEVICE AND METHOD FOR MANUFACTURING A LIGHTING DEVICE

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1. A lighting device for providing decorative lighting comprising:an optical element in which a string of a plurality of light emitting diodes is arranged; and
an envelope encapsulating said optical element;
wherein the optical element comprises a light guide encapsulating the plurality of light emitting diodes and having an out-coupling surface for decorative illumination via the light guide;
wherein the optical element comprises a spiral portion in a substantially horizontal plane with two substantially vertically extended portions connected to ends of the horizontal spiral portion; and
wherein due to a shape of the light guide, a color of the decorative illumination, an intensity of the decorative illumination, or a combination thereof, the decorative illumination via the light guide resembles a traditional incandescent light bulb comprising a filament.

US Pat. No. 10,317,059

INTERLOCK ARRANGEMENT FOR A LUMINAIRE

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1. A luminaire comprising a swivel assembly and a lamp support for connection to the swivel assembly,the swivel assembly comprising a swivel member having an interlock element,
the lamp support comprising:
a locking arrangement comprising a deformable portion mounted on a surface of the lamp support, the locking arrangement being adapted to engage with the interlock element of the swivel assembly,
wherein the deformable portion is adapted to be movable relative to the surface of the lamp support so as to move from a first position, in which the swivel assembly is connectable to the locking arrangement so as to permit connection of the swivel member from the lamp support, to a second position, in which the locking arrangement cooperates with the interlock element to prevent removal of the swivel member from the lamp support,
wherein when the swivel assembly and the lamp support are connected, the deformable portion resiliently grips the swivel member,
wherein the lamp support further comprises an aperture adapted to at least partially permit passage of the swivel member therethrough, and
wherein unidirectional passage of the swivel member through the aperture causes the deformable portion to move from the first position to the second position.

US Pat. No. 10,317,579

OPTICAL DEVICE WITH A COLLIMATOR AND LENSLET ARRAYS

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1. A lighting device comprising a light source and an optical device, said optical device comprising:an optical collimator adapted to collimate light from a light source;
a first lenslet array comprising a plurality of first lenslets; and
a second lenslet array comprising a plurality of second lenslets;
wherein the first lenslet array and the second lenslet array are arranged such that:
a tessellation of the first lenslet array coincides in terms of pattern and lenslet shape with a tessellation of the second lenslet array;
the tessellation pattern of the first lenslet array is aligned with the tessellation pattern of the second lenslet array; and such that
light collimated by the optical collimator provides a projection of the light source, the shape of the projection varying as seen at least along a meridional direction of the collimator;
wherein the projection of the light source is focused by the first lenslet array at the second lenslet array;
wherein a ratio of sagittal and meridional dimensions of each one of at least some of the second lenslets increases towards an optical axis of the collimator at least along a meridional direction of the second lenslet array adapted to the varying shape of the projection,
wherein at least some of the second lenslets are arranged to form concentric circles around the optical axis of the collimator and are shaped as circle annulus sectors together forming the concentric circles,
the meridional dimension being in the meridional direction which is defined by any line passing through the optical axis and extending in a plane perpendicular to the optical axis,
the sagittal dimension being in a sagittal direction which is defined by any line extending in a plane perpendicular to the optical axis and being orthogonal to the meridional direction.

US Pat. No. 10,302,371

LOW WEIGHT TUBE FIN HEAT SINK

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1. A heat sink comprising a plurality of pin-shaped fins and a support, wherein each fin has a fin height relative to the support, a bottom part associated with the support and a top part, a cross-section having a first width (d1) and a second width (d2) having a ratio d1/d2 selected from the range of 1.2-10, and a first width axis, wherein the first width axes of the pin-shaped fins are arranged parallel, and wherein the pin-shaped fins are hollow over at least part of their fin height, wherein each pin-shaped fin comprises a fin wall with the fin wall defining a cavity within the pin-shaped fin having a cavity height, wherein the cavity has a cavity cross-section with a cavity cross-sectional area, wherein over at least part of the cavity height the cavity cross-sectional area reduces in a direction from the top part to the bottom part.

US Pat. No. 10,285,249

LIGHTING SYSTEM CONTROLLER

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1. A lighting system controller configured to control at least one controllable luminaire, the lighting system controller comprising:a task definer configured to define at least one task to be performed;
a status determiner configured to determine a status of the at least one task based on comparing sensor data, received from at least one device, against definitions provided by the task definer, wherein the at least one device is physically separated from the lighting system controller and is arranged for determining a state of an object interacted with by a user;
a control signal generator configured to generate at least one lighting system signal based on a received lighting system signal input, received from a physical or software defined switch, indicative of a lighting effect desired by a user, and
a control signal controller configured to output the at least one lighting system signal to the at least one controllable luminaire enabling the lighting system to produce the desired lighting effect based on the status determiner indicating that the at least one task has been completed.

US Pat. No. 10,282,794

SYSTEM AND METHOD FOR DETERMINING ENERGY AND GREENHOUSE GAS (GHG) APPORTIONMENT

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1. A method, operable in a processor, for apportioning energy costs for equipment operation, said method causing said processor to execute the steps comprising:receiving, from at least one sub-meter, at least one energy usage and an energy demand corresponding to each of said at least one energy usage during a known period;
receiving, from a master-meter, a total energy usage and a corresponding total energy demand during said known period;
determining a residual energy usage from said total energy usage and said at least one energy usage and a residual energy demand from said total energy demand and said energy demand corresponding to each of said at least one energy usage;
determining a maximum energy demand over said known period, wherein said maximum energy demand is a maximum of an average value of said energy demand corresponding to each of said at least one energy usage determined in each of a plurality of second known periods;
determining a maximum total energy demand over said known period wherein said maximum total energy demand is a maximum of an average value of said received total energy demand determined in each of said plurality of second known periods;
determining a cost of said total energy usage based on at least said total energy usage and said maximum total energy demand;
determining a cost of said residual energy usage based on at least said determined residual energy usage and said maximum residual energy demand;
apportioning said energy costs of equipment operation based on said cost of said total energy usage and said cost of said residual energy usage; and
determining a source of energy generation of said total energy usage and each of said at least one energy usage;
retrieving a greenhouse gas (GHG) emission value associated with the source of generation of said total energy usage and each of said at least one energy usage;
determining an effective emission factor based on the determined sources of energy generation; and
determining the GHG emission based on the effective emission factor.

US Pat. No. 10,433,418

ASSEMBLY AND LIGHTING DEVICE COMPRISING THE ASSEMBLY

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1. An assembly comprising:at least one electrical device;
at least one carrier substrate arranged to support the at least one electrical device, the at least one carrier substrate comprising a metal core printed circuit board;
wherein the at least one carrier substrate is arranged with at least one tubular structure which is at least in part hollow, the tubular structure extending between a first end and a second end and having an opening at each of the ends to thereby permit passage of fluid through the at least one carrier substrate between a first side of the at least one carrier substrate and a second side of the at least one carrier substrate,
wherein the at least one tubular structure is arranged such that it has an extension so that it protrudes a predefined distance from at least one of the first side and the second side, and
wherein the at least one tubular structure is constituted by an integrally arranged portion of the at least one carrier substrate and comprises or is constituted by a deep-drawn, stamped-out or punched-through portion of the at least one carrier substrate.

US Pat. No. 10,368,424

LIGHTING SYSTEM, LIGHTING DEVICE AND LIGHTING SYSTEM CONFIGURATION METHOD

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1. A lighting system for deploying dynamic lighting effects, the lighting system comprising:a plurality of lighting devices, each lighting device being adapted to deploy a portion of a dynamic lighting effect and comprising a controller and a network communication module, the plurality of lighting devices being interconnected in a mesh network through their respective network communication modules such that each lighting device is communicatively coupled to at least one neighboring lighting device and adapted to communicate illumination state information to the at least one neighboring lighting device; and
a system controller communicatively coupled to the mesh network and adapted to broadcast a configurable dynamic lighting effect function to the plurality of lighting devices in the mesh network, said configurable dynamic lighting effect function defining the dynamic lighting effect to be deployed by the lighting system;
wherein at least some of the plurality of lighting devices' respective controllers in the mesh network are adapted to configure the lighting device by:
configuring the configurable dynamic lighting effect function based on illumination state information received from at least one of the at least some of the plurality of lighting devices' neighboring lighting devices to facilitate deployment of its portion of the dynamic lighting effect;
determining the at least some of the plurality of lighting devices' illumination state information from the configured configurable dynamic lighting effect function; and
communicating the determined illumination state information to at least one of the at least some of the plurality of lighting devices' neighboring lighting devices.

US Pat. No. 10,368,414

DETERMINING THE POSITION OF A PORTABLE DEVICE RELATIVE TO A LUMINAIRE

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1. A system for determining a position of a portable device relative to a luminaire, comprising:at least one luminaire, said luminaire comprising at least two light emitters for emitting light, the light comprising a first light signature and a second light signature, wherein the first light signature and second light signature identify the light emitter from which the light originates, and wherein the first light signature and the second light signature are different;
an optical system for guiding the emitted light to create a distribution of the light emitted by the at least two light emitters via the optical system, wherein a ratio between light signatures originating from the at least two light emitters within the distribution of light is unique for every position in a two-dimensional space;
and a portable device comprising:
a sensor for sensing light;
a memory for storing distribution information indicative of the distribution of the light emitted via the optical system; and
a processor coupled to the light sensor for receiving data on the sensed light and coupled to the memory to get access to the information stored in the memory, said processor is arranged to derive the light signatures from the received data on the sensed light; determine contribution information indicative for contributions of light with the derived signatures to the light sensed and determine a position of the portable device relative to the luminaire on the basis of contribution information and the distribution information.

US Pat. No. 10,334,686

LIGHT EMITTING MODULE, A LAMP, A LUMINAIRE AND A METHOD OF ILLUMINATING AN OBJECT

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1. A light emitting module for illuminating an object, the light emitting module comprising:a first light emitting element comprising a first light emitter and a first luminescent element, the first light emitting element configured to emit a first light having a color point of white light, the first light emitter configured to emit a first blue light that is at least partially converted by the first luminescent element to a light of another color, wherein the first light represents a combination of the at least partially converted first blue light and any unconverted first blue light;
a second light emitting element configured to emit a peak of second blue light, the peak of second blue light having a peak wavelength in a range from 440 nanometer to 470 nanometer and having a spectral width that is smaller than 70 nanometers, the spectral width being expressed as a full width half maximum value, and the peak of second blue light being combined with the first light to form crispy white light having a light emission spectrum having more blue light in the range from 440 nanometer to 470 nanometer than the white light, such that when the light emitting module illuminates the object, an effect of using brighteners in the object is realized.

US Pat. No. 10,334,688

DETECTION CIRCUIT AND LED TUBE INCLUDING THE SAME

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1. A voltage detection circuit, comprising:an impedance coupled between inputs of an LED tube;
a voltage detector configured to detect a voltage across the impedance;
a voltage threshold circuit configured to provide a threshold voltage;
a first control circuit configured to compare an input voltage across the inputs of the tube to the threshold voltage, and to control the voltage detector to detect the voltage across the impedance when the input voltage is less than the threshold voltage; and
a second control circuit configured to enable the voltage detector when the voltage threshold circuit is charged to a starting voltage;
wherein the voltage threshold circuit comprises a first capacitor and the detection circuit comprises,
a first charging loop configured to charge the first capacitor to reach the starting voltage; and
the first control circuit further comprises a transistor adapted to connect the impedance between the input voltage and a power ground, and the transistor is adapted to be turned on to begin the detection and is adapted to be turned off when not detection.

US Pat. No. 10,397,996

INRUSH ENERGY CONTROL FOR A LIGHT EMITTER

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1. An integrated light emitting diode (LED) assembly, comprising:an LED assembly member having an LED array formed thereon; and
an integrated control module (ICM) coupled to the LED assembly member, the ICM comprising a control circuit configured to control current initially applied by an external driver to the LED array in response to a control signal from a processor,
wherein the processor is configured to adaptively adjust the control signal when the external driver is replaced with a new external driver,
wherein the control circuit further comprises a variable resistor in series with the LED array, wherein the control signal is configured to control the resistance of the variable resistor when current is initially applied to the LED array to control inrush current and to monitor the peak inrush current to generate an inrush current profile for the new external driver.

US Pat. No. 10,397,999

LIGHTING CONTROLLER, A LIGHTING SYSTEM AND A METHOD FOR CONTROLLING LIGHTING

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1. A lighting controller, comprising:a detector adapted to detect an output voltage of a power source, said power source being configured to provide power to a lighting unit via a lighting driver;
a controlling unit, coupled to the lighting driver and configured to:
switch an up-converter between the power source and the lighting driver to boost an output voltage from the power source to the lighting driver, in a first condition; and
bypass said up-converter in a second condition and control the lighting driver to deliver a constant power to the lighting unit regardless of power consumption of the power source by the lighting driver, before the detected output voltage decreases to less than a first threshold, and control the lighting driver to deliver a gradually reduced power to the lighting unit after the detected output voltage decreases to less than the first threshold;
wherein said first condition comprises operation of the lighting device during a predetermined period starting at dusk, and
wherein said second condition comprises operation of the lighting device during a remaining part of the night other than the predetermined period.

US Pat. No. 10,312,730

EMERGENCY LIGHTING SYSTEM AND METHOD FOR AUTOMATIC HEATING POWER EQUALIZATION

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1. An apparatus, comprising:first and second input terminals configured to be connected to a charging power source for charging a backup power supply for an emergency lighting system and to receive an input voltage from the charging power source across the first and second input terminals, the input voltage corresponding to an applied nominal operating voltage of the charging power source among a plurality of nominal operating voltages for the emergency lighting system, each nominal operating voltage corresponding to a type of AC mains;
a voltage level detector configured to produce, in response to the received input voltage, an input voltage level signal indicating the applied nominal operating voltage of the charging power source to which the input voltage corresponds;
a temperature detector configured to determine whether a temperature in a vicinity of the backup power supply exceeds a backup power supply temperature threshold and to produce a temperature signal indicating whether the temperature exceeds the backup power supply temperature threshold; and
a heater including a plurality of heating elements configured to be selectively activated to heat the backup power supply,
wherein the temperature signal determines whether the heater is activated, and when the heater is activated the input voltage level signal determines which of the heating elements is/are activated; and
wherein at least one heating element is configured to be selectively activated while another heating element is configured to be selectively deactivated in response to the temperature signal and input voltage level signal.

US Pat. No. 10,274,916

SYSTEM FOR OPTIMISING WORKFLOW FOR EFFICIENT ON-SITE DATA COLLECTION AND DETERMINATION OF ENERGY ANALYSIS AND METHOD OF OPERATION THEREOF

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1. An energy audit system for use in retrofitting energy consuming devices in an energy consuming space, comprising:at least one controller configured to:
obtain attribute information (AI) for the energy consuming devices, the AI comprising information related to a plurality of attributes and corresponding attribute choice information for each of the plurality of attributes;
determine dependencies between each of the plurality of attributes to each determine a dependency score for each of the plurality of attributes based on the determined dependencies;
determine a ranking of each of the attributes based upon the dependency score of each of the attributes;
select a subset of the plurality of attributes based on the ranking;
determine an optimized workflow based upon the subset of the plurality of attributes; and
in accordance with the optimized workflow, render a user interface (UI) for use in retrofitting at least one of the devices to thereby obtain energy savings;
wherein said retrofitting comprises at least one of replacing a lighting fixture and replacing a lighting control device.

US Pat. No. 10,337,702

METHODS AND APPARATUS FOR OPTIC HOLDER DESIGN

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1. A lighting system comprising:a plurality of LED-based light sources;
a plurality of optic holders, each of which is connected to a respective one of said plurality of LED-based light sources and is arranged to hold an optic in a position suitable to modify light emitted by said LED-based light source, each of the plurality of optic holders comprising an upper edge region, wherein said arrangement results in one or more gaps between one or more optic holders; and
a plurality of interstitial spacers connected to the upper edge region of the plurality of optic holders, wherein the plurality of interstitial spacers are arranged to substantially fill the one or more gaps, wherein a size of at least one of said plurality of interstitial spacers is adjustable.

US Pat. No. 10,329,482

CLASS OF ORGANIC PHOSPHORS BASED ON DERIVATIVES OF BENZIMIDAZOXANTHENOISOQUINOLINONE FOR LED LIGHTING

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12. A luminescent material comprising at least an organic phosphor defined by formula IA and optionally also an organic phosphor defined by formula IB:wherein G1-G12 are independently selected from hydrogen, halogen, R1, OR1, NHR1, and NR2R1, wherein R1 and R2 are independently selected from C1-C18alkyl, C6-C24aryl, and C6-C24heteroaryl, and wherein when the organic phosphor defined by formula IB is available in the luminescent material, the phosphor defined by formula IB and the phosphor defined by formula IA have a molar ratio of 1B/1A ?0.1, and wherein one or more of G2 and G7 comprises independently a group selected from the group consisting of R1, OR1, NHR1, and NR2R1, and wherein at least four of G1-G12 for the organic phosphor IA independently are H, and wherein independently one or more of G2 and G7 for the organic phosphor IA comprise R1 or OR1, with R1 being defined by formula II;wherein D, E, I, L and M are independently selected from hydrogen, halogen, R3, OR3, NHR3, and NR4R3, and wherein R3 and R4 are independently selected from C1-C18alkyl, C6-C24aryl, and C6-C24heteroaryl,the luminescent material, comprising an organic phosphor selected from the group consisting of
6,16-diphenyl-8H-benzo[3,4]isochromeno[7,8,1-def]benzo[4,5]imidazo[1,2-b]isoquinolin-8-one;
6,16-diphenoxy-8H-benzo[3,4]isochromeno[7,8,1-def]benzo[4,5]imidazo[1,2-b]isoquinolin-8-one;
16-phenoxy-8H-benzo[3,4]isochromeno[7,8,1-def]benzo[4,5]imidazo[1,2-b]isoquinolin-8-one;
6,16-bis(4-(2,4,4-trimethylpentan-2-yl)phenoxy)-8H-benzo[3,4]isochromeno[7,8,1-def]benzo[4,5]imidazo[1,2-b]isoquinolin-8-one; and
16-(4-(2,4,4-trimethylpentan-2-yl)phenoxy)-8H-benzo[3,4]isochromeno[7,8,1-def]benzo[4,5]imidazo[1,2-b]isoquinolin-8-one.

US Pat. No. 10,317,766

ELECTRODE LAYOUT FOR A DISPLAY

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1. A display device, comprising an array of rows and columns of pixels, the array comprising:a commonly controlled plurality of first electrodes for supplying a first common drive signal to each pixel of the array, each first electrode extending through or alongside a row of pixels for supplying the common drive signal to the pixels of the row, wherein the plurality of first electrodes are connected together to supply said common drive signal;
a commonly controlled plurality of second electrodes for supplying a second common drive signal different from the first common drive signal to each pixel of the array, each second electrode extending through or alongside a row of pixels for supplying the second common drive signal to the pixels of the row, wherein the plurality of second electrodes are connected together to supply said second common drive signal; and
a plurality of pixel addressing electrodes for supplying data to the pixels to control optical appearances of the pixels; and
wherein at least the first and second pluralities of electrodes are arranged on a common substrate.

US Pat. No. 10,321,379

METHOD AND APPARATUS FOR REDUCING THE LENGTH OF A PACKET STORM IN A WIRELESS MESH NETWORK

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1. A system for controlling information broadcast in a wireless mesh network, the network comprising a plurality of wirelessly interconnected devices, the system comprising:a device table comprised in each of the devices, for tracking which device has successfully relayed a broadcast transmission;
a broadcast table comprised in each of the devices, for keeping a record of any new broadcast transmission that has been initiated by a device of the plurality of wirelessly interconnected devices or received from a neighboring device of the plurality of wirelessly interconnected devices;
wherein each broadcast transmission includes a radius parameter R, which indicates an allowed number of hops through said mesh network before the broadcast transmission is discarded;
wherein the system is adapted to add to a new broadcast transmission a radius parameter R, or to reduce the radius parameter R, by one when a received broadcast transmission is forwarded;
wherein the system is adapted to check information provided in the device table and the broadcast table so as to report to a device of the plurality of wirelessly interconnected devices initiating a message, a maximum repetition number, Rmax, representative of the number of hops which was necessary to transmit the message to each device of the plurality of wirelessly interconnected devices, wherein the maximum repetition number Rmax is determined by the system using a broadcast storm as a number of repetitions necessary to reach every device in the network;
wherein the device table includes a neighbor table for tracking which neighboring device, which is a device within a transmission or reception range of the device, has successfully relayed a broadcast transmission;
and wherein the at least one broadcast table includes a broadcast transaction table for keeping a record of any new broadcast transmission that has been initiated by the associated device or received from a neighboring device;
wherein the at least one device table includes,
a child table for tracking which child device, which is a device to which said device has transmitted a broadcast transmission, has successfully relayed the broadcast transmission;
and wherein the at least one broadcast table includes a broadcast listening table for keeping a record of any new broadcast transmission that has been received by a child device.

US Pat. No. 10,320,711

REAL-TIME WIRELESS MULTICAST ROUTER

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1. A router for controlling multicast transmission in a low-power wireless network, the router comprising:a trickle-based multicast protocol layer, MPL, interface adapted to create a multicast packet; and,
a Medium Access Control, MAC, layer interface comprising a MAC layer queue adapted to receive a plurality of multicast packets, the MAC layer interface being adapted to transmit, over the network, the multicast packets stored in the MAC layer queue in their order of arrival, the MAC layer interface further comprising a MAC retry mechanism associated with a backoff mechanism and adapted to retransmit unsuccessfully transmitted multicast packets;
a real-time layer, RTL, interface coupled to the MPL layer interface and the MAC layer interface, wherein the RTL interface disables the MAC layer queue, the MAC retry mechanism and the MAC backoff mechanism and receives the multicast packet from the MPL layer interface,
alters the multicast packet by adding a deadline by which said altered ,multicast packet is to be discarded by a router of the network, and, discards said multicast packet where said deadline has already passed;
wherein the RTL interface further forwards said altered multicast packet to the MAC layer interface when the latter is ready to transmit puts said altered multicast packet on hold when the MAC layer is not ready to transmit, and forwards or puts on hold said altered multicast packet based on said deadline.

US Pat. No. 10,313,138

POWERED DEVICE AND POWER DISTRIBUTION SYSTEM COMPRISING THE POWERED DEVICE

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1. A powered device for being used in a power distribution system, the system comprising a power sourcing device for sourcing a power to the powered device and an electrical conductor connected to the power sourcing device and the powered device for conveying the sourced power along with data between the power sourcing device and the powered device, wherein the powered device comprises:an electrical load; and
an electrical load power providing unit for generating from the sourced power an electrical load power and for providing the electrical load power to the electrical load,
wherein the electrical load power providing unit is adapted to generate the electrical load power with a power level such that an input current drawn by the powered device from the power sourcing device is maximized below a predefined upper input current threshold, allowing the powered device to consume more power than allowed to the powered device according to a negotiated power class,
wherein the electrical load power providing unit is adapted to generate the electrical load power with incrementally increasing power levels until the powered device is cut-off by the power sourcing device, wherein the electrical load power providing unit is further adapted to generate the electrical load power with a particular power generation setting corresponding to a power level that is below the power level that caused the cut-off.

US Pat. No. 10,383,192

CONTACTLESS LED LIGHTING FIXTURE AND LED LIGHTING NETWORK INCLUDING CONTACTLESS LED LIGHTING FIXTURE

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1. A lighting network, comprising:a lighting network base station, including:
a radio frequency amplifier configured to receive AC Mains power, to convert the AC Mains power to a radio frequency power signal, and to supply the radio frequency power signal to a lighting network line pair, and
a base station power line communication coupler configured to couple the lighting network line pair to a first power line communication device; and
at least one contactless lighting network component located remotely from the lighting network base station along the lighting network line pair, wherein the at least one contactless lighting network component includes:
at least one contactless lighting network component coupler including a power coupler configured to extract electrical power from the radio frequency power signal on the lighting network line pair, and a lighting network component power line communication coupler, separate from the power coupler, configured to contactlessly couple, independently of the power coupler, the lighting network line pair to a second power line communication device,
wherein the base station power line communication coupler and the at least one contactless lighting network component coupler are configured to communicate network data between the first power line communication device and the second power line communication device via the lighting network line pair.

US Pat. No. 10,383,198

MAINTAINING A LIGHTING SYSTEM

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1. A computer-implemented method of maintaining a lighting system comprising multiple luminaries installed at known locations in an environment, wherein each is configured to emit a unique luminaire identifier into the environment, the method comprising executing management code to implement the following steps:in a processor:
accessing a database, wherein the database holds multiple location identifiers, each of which identifies one of the known locations;
identifying a route through the environment based on the location identifiers, the route traversing a plurality of the known locations;
moving a photodetector along the route through the environment;
in the processor:
receiving data generated by the photodetector wherein the data conveys a sequence of the luminaire identifiers detected by the photodetector from luminaries encountered in moving along the route, the sequence being in order of detection; and
performing a database update by, for at least one luminaire identifier in the sequence: identifying its position in the sequence, and updating the database based on the at least one luminaire identifier and its identified position in the sequence.

US Pat. No. 10,375,782

LED ARRANGEMENT AND LED DRIVING METHOD

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1. A LED arrangement with a light output surface comprising an area of LED chips and an area between the LED chips, the LED arrangement comprising:a rectifier for rectifying a mains input;
a first group of LEDs distributed on the light output surface; and
a second group of LEDs distributed on the light output surface and in series with said first group of LEDs,
wherein said first group of LEDs is adapted to be kept turned on and the second group of LEDs is adapted to be bypassed when the rectified mains input is below a first threshold, and said first group of LEDs and the second group of LEDs are adapted to be kept turned on when the rectified mains input is above the first threshold such that the second group of LEDs are turned on for a second duration less than a first duration for turning on the first group of LEDs in each cycle of the rectified mains input and
a total light output density for the LEDs of the second group per unit area of the light output surface is greater than a total light output density for the LEDs of the first group per unit area of the light output surface, wherein a ratio of an area of LED chips of the second group of LEDs to a second area of the light output surface throughout which the second group of LEDs are distributed, is larger than a ratio of an area of LED chips of the first group of LEDs to a first area of the light output surface throughout which by the first group of LEDs are distributed,
wherein the total light output density for the LEDs of the first group per unit area of the light output surface and the total light output density for the LEDs of the second group per unit area of the light output surface are selected such that a total light output amount for the LEDs of the second group per unit area and per unit time is substantially equal to a total light output amount for the LEDs of the first group per unit area and per unit time.

US Pat. No. 10,375,800

CONTROLLING A LIGHTING SYSTEM

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1. A method of controlling a lighting system, comprising at least two luminaires arranged to illuminate a physical space, to render a version of a selected scene image in the physical space, the method comprising the following steps:capturing with an imaging device at least one image of the physical space;
using the captured of said at least one image to determine, for each of the at least two luminaires, at least one location in the physical space associated with said each of the two luminaires;
receiving from a user the selected scene image to be rendered;
processing the selected scene image to select at least two colors in the selected scene image for rendering, and determine a location of each of the selected at least two colors within the selected scene image; and
comparing determined scene image locations with the determined luminaire locations so as to identify, for each of the determined scene image locations, a matching one of determined locations in the physical space, and controlling said each of the two luminaires associated with the at least one location in the physical space to emit illumination rendering a color at that scene image location, thereby causing the at least two luminaires to render the version of the selected scene image in the physical space.

US Pat. No. 10,348,403

LIGHT EMITTING DEVICE FOR GENERATING LIGHT WITH EMBEDDED INFORMATION

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1. A light emitting device for emitting a beam of light, the light emission comprising an embedded code, the light emitting device comprising:a beam shape controller for controlling a shape of the beam of light, and
a first processor connected to the beam shape controller, arranged for generating the embedded code, wherein the first processor is further arranged for embedding a message in the embedded code based on the shape of the beam of light, wherein the message comprises beam shape information of the shape of the beam of light.

US Pat. No. 10,326,543

MODELLING INTERFERENCE

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1. A device for communicating on a wireless channel in the presence of an interference source, the device comprising:an interface configured to connect to a wireless transmitter and a wireless receiver;
a controller configured to control the receiver to access the channel to perform a sequence of energy detections, each energy detection comprising collecting energy in the channel at a respective detection time; and
a modelling component configured to model the interference source as cyclically transitioning into and out of an inactive state and as cyclically transitioning, when out of the inactive state, between a first active state, in which the interference source is active and creating interference on the channel, and a second active state, in which the interference source is active but creating a substantially lower level of interference on the channel;
wherein the modelling component is arranged for determining based on the sequence of energy detections: i) a large time scale metric which describes the transitioning into and out of the inactive state, and ii) a small time scale metric which describes the transitioning between the first and second active states; and
wherein the controller is configured to effect transmission of data by the transmitter in dependence on the estimated metrics.

US Pat. No. 10,326,374

POWER SUPPLY CIRCUIT WITH CONVERTER CIRCUIT

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1. A converter circuit having a main switching circuit on a primary side of a transformer, for controlling supply of a current to a storage inductor on the primary side when the main switching circuit is conductive, comprising:a control circuit operatively coupled to the main switching circuit and for controlling the main switching circuit, the control circuit comprising a control capacitor adapted to enable the control circuit and turn off the main switching circuit, the control circuit comprising a controllable switch;
an auxiliary inductor magnetically coupled to the storage inductor and adapted to trigger the control circuit to operate and turn off the main switching circuit, in response to a voltage change in the storage inductor when the main switching circuit being conductive; and
a charging circuit coupled between the auxiliary inductor and the control capacitor and adapted to enable the auxiliary inductor to charge the control capacitor,
wherein the charging circuit comprises first and second charging paths within the primary side between the auxiliary inductor and the control capacitor, the first charging path being conductive and the second charging path comprising a series connection with a breakdown diode between the controllable switch and the auxiliary inductor, the second charging path being conductive when a voltage across the auxiliary inductor is above a threshold value.

US Pat. No. 10,323,826

OPTICAL SYSTEM, METHOD, AND APPLICATIONS

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1. An optical system, comprising:at least one 2×2 LED array forming a node consisting of four different color LEDs: LED1 (G), LED2 (R), LED3 (B), LED4 (W) and
at least one respective light-directing housing forming an optic having a base end and a light-emitting end, in which the node is disposed in the base end,
wherein the optic is characterized by a shape having four different focal points (F1, F2, F3, F4), and by comprising a spline (S1) and a hyperbola conic (H1) as profile sections,
wherein each of the LED1, LED2, LED3, LED4 is disposed at a respective focal point of both the spline (S1) and the hyperbola conic (H1).

US Pat. No. 10,317,441

PROBLEM DETECTION FOR CABLE-FED-LOADS

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1. A device for detecting a problem in at least one of a plurality of loads coupled to a cable of a cable system, the device comprising:a cable interface, coupled to the cable system, to sense a cable signal in response to a signal being offered to the cable, wherein the cable signal is a feeding signal or a simulated feeding signal that supplies power to the cable system, wherein the waveform includes crests and troughs and wherein respective loads of the plurality of loads are coupled to the cable via respective drivers at respective locations;
a processor coupled to the cable interface;
a memory coupled to processor to store at least a waveform of the cable signal feeding the plurality of loads;
wherein the processor analyzes the waveform of the cable signal to determine whether the problem in the at least one of the plurality of loads is present or not without receiving a message or communication from any of the loads and without modification or direct coupling to any of the loads, by amending
a corresponding driver, when a problem in a load occurs, at least one value of the waveform at or near at least one of the crests and the troughs, and the processor determines whether the waveform has been amended by more than a threshold; and
a user interface to inform the user of the problem.

US Pat. No. 10,317,045

LIGHT EMITTING APPARATUS FOR EMITTING LIGHT OF VARIABLE SPECTRAL COMPOSITION USING MOVABLE ELEMENT

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1. A light emitting apparatus comprising:an element having a first top surface region arranged to receive light of a first wavelength, convert the light of the first wavelength into light of a second wavelength, and emit the light of the second wavelength, and a second top surface region arranged to reflect light of the first wavelength, the second top surface region being different from the first top surface region,
a reflector arranged to reflect light of the first wavelength,
a light source arranged to emit light of the first wavelength on the reflector such that the reflected light of the first wavelength is directed towards the element,
a lens arranged to focus light of the first wavelength reflected by the reflector onto the element, and to collect light emitted and reflected from the element,
wherein the element is arranged to emit light of the second wavelength with an angular distribution within a collection angle of the lens,
wherein the element is further arranged to reflect light of the first wavelength with an angular distribution substantially within the collection angle of the lens and with an intensity distribution such that a portion of the light of the first wavelength that is reflected with an angular distribution outside a region covered by the reflector is larger than a portion of the light of the first wavelength that is reflected with an angular distribution within the region covered by the reflector,
wherein the element comprises a wavelength converting member and a reflecting member, and
wherein the element is movable in relation to a focal plane of the lens.

US Pat. No. 10,317,055

LIGHTING DEVICE WITH CHANGING ILLUMINATION BASED ON LIGHTING DEVICE CONFIGURATION

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1. A lighting device comprising;a first tubular part,
a second tubular part flexibly connected to the first tubular part so that the lighting device is configurable in at least two configurations,
a sensor for detecting the configuration of the lighting device,
wherein each of the first and second tubular parts comprises a first light source and a second light source, the first light source being configured to emit light in a first direction and the second light source being configured to emit light in a second direction different from the first direction, and
a controller for controlling the first and second light sources, wherein an output of the sensor is fed to the controller, and
wherein, based on the output, the controller selectively powers either the first light source, the second light source, or a combination of the first and second light sources.

US Pat. No. 10,433,399

CROWD MANAGEMENT SYSTEM

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1. A crowd management system for influencing a crowd of people to distribute itself between a first region and a second region, comprising:at least one presence sensor configured to sense occupancy information from the first region and the second region; and
a controller configured to receive said occupancy information from the at least one presence sensor; and
at least one environmental control element configured to control an environmental effect in both the first region and the second region;
wherein said controller is configured to compare the occupancy information relating to the first region and the second region and based thereon to control the environmental effect in both the first region and the second region via the at least one environmental control element, such that the environmental effect in one of the first region or the second region is relatively more attractive or repellent than the other, in order to thereby influence at least a portion of the crowd to distribute or redistribute itself between the first region and the second region.

US Pat. No. 10,405,401

PRECIPITATION SENSING LUMINAIRE

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1. A luminaire comprising:at least one light source arranged to emit light to illuminate an outdoor environment of the luminaire;
at least one sensor, each of the at least one sensor integrated into the luminaire and arranged to provide a respective sensor output signal;
a control module arranged to receive the respective sensor output signal from each of the at least one sensor and configured to communicate with a component of the luminaire based on the respective sensor output signal, wherein the at least one sensor comprises an accelerometer and the respective sensor output signal that is output by the accelerometer is an accelerometer output signal;
a memory storing reference precipitation information, wherein the reference precipitation information comprises a correlation of a plurality of precipitation types with a plurality of frequencies from accelerometer detection signals; and
a precipitation detection module configured to receive the respective sensor output signal from each of the at least one sensor,
wherein the precipitation detection module is configured to convert the accelerometer output signal into a frequency domain waveform and compare the frequency domain waveform to the reference precipitation information,
wherein the precipitation detection module is configured to detect precipitation in the outdoor environment based on said comparison,
wherein the precipitation detection module is configured to control the light emitted from the at least one light source based on said detection.

US Pat. No. 10,405,412

USE OF A LIGHTING SYSTEM TO INDICATE APPLICATION STATUS

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1. A method of interfacing with a lighting system comprising one or more luminaires which provide a first service of emitting illumination into an environment occupied by a user, the method comprising:receiving a first user input signal indicating that the user has performed a first interaction with a user input element of the lighting system;
controlling the illumination emitted by at least one of the luminaires based on the first user input signal;
detecting a notification generated by an application, wherein the application provides the user with a second service other than controlling a lighting system, and the notification is indicative of an event occurring within the second service; in response to the detection of said notification, automatically controlling the lighting system in order to alert the user to said event;
receiving a second user input signal indicating that the user has performed a second interaction with the user input element of the lighting system following said alerting of the user to said event; and
in response to the receipt of the second user input signal, automatically performing an action in relation to the second service by sending a response in relation to the second service,
wherein the automatically performing of said action is conditional on said second interaction or the receipt of said second user input signal occurring within a predetermined window of time following the event or the detection of the notification of the event, and
wherein the second user interaction is the same as the first interaction, but the method comprises refraining from controlling the illumination from any of the luminaires based on the second user input signal, on condition that the second user interaction or the receipt of the second user input second signal occurs within said window of time.

US Pat. No. 10,390,411

CONTROLLING LIGHTING USING SPATIAL DISTRIBUTION OF USERS

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1. Equipment for automatically commissioning a lighting system comprising a plurality of luminaires for illuminating one or more regions within a space, the equipment comprising:a positioning system interface configured to receive signals from a positioning system, indicating a respective location within said space at which each of a plurality of physical entities is detected by the positioning system, each of the entities being a person or a movable nonhuman object;
a controller configured to control the plurality of luminaires and configured to determine a spatial distribution of at least some of said entities based on the locations indicated by the signals from the positioning system, and to determine a region within said space corresponding to said spatial distribution, said region being smaller than said space; and
wherein the controller is configured to identify a group of the luminaires that are arranged to illuminate said region and to store identifiers of the luminaries of the group together as a group in a commissioning database, the group of luminaires being fewer than the plurality of luminaires of the lighting system, and wherein the controller is configured to control the group of luminaires together.

US Pat. No. 10,375,805

WIRELESS SWITCH

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1. Control equipment for use in a system, the system comprising:a wirelessly controllable appliance, and
a wired switch connected into a wired electrical circuit for supplying power from a power source to the wirelessly controllable appliance, the wired switch arranged to be switched from a first position to a second position by a user exerting mechanical force on a first area of the wired switch, and from the second position to the first position by the user exerting mechanical force on a second area of the wired switch,
wherein one of the first position and the second position of the wired switch is an ON state in which the power is supplied from the power source to the wirelessly controllable appliance via the electrical circuit, and the other of the first position and the second position of the wired switch is an OFF state in which no power is supplied to the wirelessly controllable appliance via the electrical circuit;
the control equipment comprising:
a wireless switch arranged to be retrofitted to the wired switch, the wireless switch comprising one or more sensors, the one or more sensors arranged to detect whether the wired switch is in the first position or the second position and the one or more sensors further arranged to detect a touch input in at least a part of the first area of the wired switch and the one or more sensors further arranged to detect a touch input in at least a part of the second area of the wired switch, the wireless switch further comprising transmission circuitry arranged to transmit an indication of said detections, and
a controller arranged to wirelessly control the wirelessly controllable appliance via a wireless communication channel, to receive the indication, and to determine a reachability of the wirelessly controllable appliance over the wireless communication channel, wherein the controller is further arranged to associate, based on the determined reachability of the wirelessly controllable appliance, one of the first area and the second area to an OFF command for turning OFF the wirelessly controllable appliance, such that the one area of the first area is the same area as the one of the second area which, when pressure is exerted on it, causes the wired switch to be switched to the position of the first and second position associated with the OFF state, and wherein the controller is further arranged for controlling the wirelessly controllable appliance, at least when the wired switch is in the ON state, to turn OFF when an indication is received of detection of a touch input in at least a part of the one of the first area and the second area associated with the OFF command.

US Pat. No. 10,337,701

DECORATIVE LED INTEGRATED LUMINAIRE

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1. A luminaire comprising;a LED light engine for emitting light,
an optical structure positioned to receive the light emitted and to modify the emitted light's characteristics, and
a decorative element;
wherein, said optical structure is utilized to removably attach said decorative element proximate to said light engine and said decorative element is intended to be changed by a user to provide configurable light output characteristics; and,
wherein the optical structure has a circumference and a protruding, annular portion extending around the circumference; the decorative element comprises a circular hole corresponding to the LED light engine, the circular hole having a diameter larger than a largest diameter of a housing containing said LED light engine and smaller than a diameter of the annular portion; whereby in use, the annular portion; supports the decorative element.

US Pat. No. 10,337,192

SOLID STATE FLOOR LIGHTING UNIT AND SYSTEM

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1. A solid state floor lighting unit, comprising:a printed circuit board carrying an array of solid state lighting elements;
a protective cover provided over the printed circuit board, comprising a sheet having an array of openings or light output regions aligned with the solid state lighting elements;
a base plate positioned such that the printed circuit board is situated between the base plate and the protective cover;
an array of pillars, wherein the pillars are situated between the base plate and the printed circuit board and wherein the pillars extend from the base plate to the printed circuit board and not beyond;
wherein the protective cover comprises at least one edge having a line of downwardly projecting spaced supporting tabs, and
wherein the supporting tabs each have a width along the edge direction which is the same as the space along the edge direction between the tabs such that the tabs of one protective cover are fitable, in use, into the space between tabs of an adjacent protective cover.

US Pat. No. 10,338,299

LIGHTING SYSTEM USING A LIGHTGUIDE

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1. A lighting system, comprising:an array of LEDs;
a collimators arrangement mounted over the array of LEDs for collimating the light output from the LEDs;
a lightguide mounted over the collimators arrangement, the lightguide comprising:
an elongate structure having a length direction with one light input end mounted over the collimator arrangement, wherein the general shape in cross section perpendicular to the length direction comprises a non-circular arc, and the array of LEDs follows a corresponding non-circular arc; and
light extraction features extending widthwise parallel to the light input end for out-coupling light from an outer arcuate surface of the lightguide,
wherein, in each light extraction feature, an angle ? is the angle between a normal n of the light extraction feature and a normal to the length direction, wherein said angle ? at least once is gradually or abruptly changed in a direction parallel to the light input end.

US Pat. No. 10,341,124

POWER DISTRIBUTION SYSTEM

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1. A power source to be used in a power distribution system, the power distribution system further comprising:a power consumer to be powered by the power source and adapted to indicate its power class to the power source, and
an electrical conductor for transferring the power from the power source to the power consumer;
the power source adapted to provide power to the power consumer of the power distribution system in at least a maximum power mode and a normal operation mode, wherein the power source is adapted to measure in the maximum power mode the amount of power consumed by the power consumer,
wherein the power consumer is assigned to one of at least one first power class and at least one second power class, wherein to each power class of the first and second power classes a respective predetermined amount of power is assigned, wherein the predetermined amount of power assigned to the second power class is at least the same as the predetermined amount of power assigned to the first power class,
wherein the power source is further adapted:
to, if the power class of the power consumer is the first power class, switch to the maximum power mode, in which the predetermined amount of power assigned to the power class of the power consumer is allocated to the power consumer and the amount of power consumed by the power consumer is measured, and thereafter switch to the normal operation mode, in which the operational amount of power, which depends on the amount of power measured in the maximum power mode, is reserved for the power consumer, in order to allow the power consumer to consume in the normal operation mode an amount of power being equal to or lower than the operational amount of power, and
to, if the power class of the power consumer is the second power class, switch to the normal operation mode, wherein the predetermined amount of power assigned to the power class of the power consumer is reserved for the power consumer, in order to allow the power consumer to consume in the normal operation mode an amount of power being equal to or lower than the predetermined amount of power assigned to the power class of the power consumer.

US Pat. No. 10,420,191

CONTROL SYSTEM FOR CONTROLLING A LIGHTING SYSTEM

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1. A control system for controlling a plurality of lighting units of a lighting system, wherein the plurality of lighting units are assigned to different areas and the control system comprises:a lighting command providing unit for providing a lighting command defining desired power levels of the plurality of lighting units of the lighting system;
an occupancy information providing unit for providing occupancy information being indicative of a degree of occupancy of the different areas; and
a control unit for controlling the plurality of lighting units, wherein the control unit is adapted to control the plurality of lighting units in accordance with the lighting command and depending on the occupancy information such that different lighting units of the plurality of lighting units are each respectively set to the respective desired power level, defined for the respective lighting unit of the different lighting units by the provided lighting command, at different times,
wherein the control unit is further adapted to control the plurality of lighting units such that a given lighting unit, of the plurality of lighting units, assigned to an area having a given degree of occupancy is set to the desired power level defined for the given lighting unit before setting the desired power level defined for a lighting unit, of the plurality of lighting units, that is assigned to an area having a degree of occupancy which is smaller than the given degree of occupancy, and
wherein the control unit is adapted to randomly control at which times the respective lighting units of the plurality of lighting units are set to their respective desired power levels, wherein the random control depends on the occupancy information, and wherein the control unit is adapted to assign a respective probability to each lighting unit of the plurality of lighting units depending on the occupancy information,
wherein each respective probability is a probability of earliness of setting the respective desired power level, defined for the lighting unit to which the respective probability is assigned, during the random control and wherein the control unit is adapted to randomly distribute power level setting times, at which the respective lighting units of the plurality of lighting units are to be set to the respective power levels defined for the respective lighting units, depending on the assigned probabilities.

US Pat. No. 10,405,383

METHOD OF CONTROLLING A LIGHTING ARRANGEMENT, A LIGHTING CONTROL CIRCUIT AND A LIGHTING SYSTEM

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1. A lighting control circuit for controlling a lighting arrangement comprising a plurality of strings connected in parallel with each other, the plurality of strings comprising a first string and a second string, the first string comprising a first light source, the second string comprising a second light source and a disable switch, the second light source being connected in series with the disable switch, the first light source and the second light source having different color points, the lighting control circuit comprising:a current driver for delivering a required average output current (Iconverter) to the lighting arrangement, the current driver having an input for receiving a current driver setting (PWM_current_setpoint) to deliver a required output to the lighting arrangement;
a controller comprising an external input for deriving a desired output color and/or a desired dimming level, and being arranged for:
controlling the disable switch by translating the desired output color into a required duty cycle of the disable switch (PWM_dimtone) to obtain different colors;
linearly scaling the duty cycle of the disable switch (PWM_dimtone) based on the desired dimming level;
determining the required average output current (Iconverter) based on the scaled duty cycle of the disable switch (PWM_dimtone);
determining an average output voltage required across the plurality of strings (Vav); and
determining the current driver setting (PWM_current_setpoint) based on the determined required average output current (Iconverter) and the determined average output voltage (Vav).

US Pat. No. 10,405,405

APPARATUS, METHOD AND SYSTEM FOR CONTROLLING A LOAD DEVICE VIA A POWER LINE BY USING A POWER NEGOTIATION PROTOCOL

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1. An apparatus for controlling a load device, said apparatus comprising:a control unit adapted to use a power negotiation protocol signaling in order to exchange at least one of control and status information with the load device, wherein the power negotiation protocol used to exchange the control or status information is a USB Power Delivery power negotiation protocol; and
a transceiver for transmitting or receiving, only via power supply USB pins, the control or status information to/from the load device over a power line used for supplying power to said load device.

US Pat. No. 10,344,950

LIGHT EMITTING ARRANGEMENT WITH CONTROLLED SPECTRAL PROPERTIES AND ANGULAR DISTRIBUTION

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1. A light emitting arrangement, comprising:a plurality of solid state light sources, arranged to provide a light distribution comprising a first light portion and a second light portion, wherein said solid state light sources emit light of a first wavelength range having a dominant wavelength of 477-537 nm;
at least one optical component extending from the plurality of solid state light sources in a direction of the light distribution, the at least one optical component having a narrowest portion proximate the plurality of solid state light sources and a widest portion proximate the light distribution, the at least one optical component adapted to at least partly collimate light emitted by said light sources, to yield output light exiting the light emitting arrangement comprising central output light and peripheral output light, wherein the peripheral output light is distinct from and located a larger lateral distance from an optical axis of the light emitting arrangement than the central output light, wherein said central output has a dominant wavelength of 535-575 nm and a light intensity of at least 3 cd/m2, and said peripheral output light has a dominant wavelength of 477-537 nm and a light intensity of less than 3 cd/m2; and
at least a first wavelength converting member configured to convert light of said first wavelength range into light of a second wavelength range having a dominant wavelength of 535-575 nm, and being arranged to receive and at least partially convert said first light portion provided by said plurality of solid state light sources and arranged to allow said second light portion emitted by said solid state light sources to pass beside said first wavelength converting member, wherein the first wavelength converting member is arranged at the narrowest portion of the at least one optical component.

US Pat. No. 10,345,238

LIGHT SOURCE WITH ADAPTED SPECTAL OUTPUT

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1. A spotlight configured to produce white light, comprising:at least one solid state light emitting element configured to emit primary light; and
a plurality of wavelength converting materials, configured to convert part of the primary light into secondary light, provided as an array of independent wavelength converting domains,
wherein different wavelength converting domains comprise wavelength converting materials producing different secondary light emission bands or peaks, each wavelength converting material being configured to convert primary light into a secondary light wavelength range wherein each wavelength converting material is configured to contribute to a total emission spectrum with at least one emission band or peak and wherein a total secondary light emission provided by said wavelength converting materials provides a broad band emission spectrum except for at least one defined narrow wavelength range in which the spotlight produces significantly reduced light emission, and
wherein the combined emission of light converted by the wavelength converting materials is controllable to form an emission spectrum with significantly reduced light emission in said at least one defined narrow wavelength range,
said spotlight further comprising a controllable shielding member arranged to shield at least one wavelength converting domain from receiving primary light to reduce emission light of said at least one defined narrow wavelength range,
wherein said emission spectrum of the combined emission is still perceived as white, and
wherein said at least one defined narrow wavelength range corresponds to a fluorescent wavelength range of a fluorescent marker to be illuminated by the spot light.

US Pat. No. 10,412,799

POWERED DEVICE AND POWER DISTRIBUTION SYSTEM COMPRISING THE POWERED DEVICE

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1. A powered device for being used in a power distribution system, the power distribution system comprising:a power providing device for providing a power at an output voltage to the powered device over a power output interface and for monitoring said power for occurrence of an overload condition, which occurs when said power corresponds to a predetermined second power limit, and
an electrical conductor for transmitting the power between the power providing device and the powered device;wherein the powered device is assigned to a power class corresponding to a predetermined first power limit and the predetermined second power limit, the predetermined first power limit relating to a maximum power that the powered device may consume and the predetermined second power limit relating to a maximum power that the power providing device of the power distribution system may provide; and w herein the powered device is arranged to indicate the assigned power class to the power providing device;the powered device comprising:a power input interface for receiving the power,
an electrical load, and
an electrical load power providing unit for transforming the power received over the power input interface into an electrical load power and for providing the electrical load power to the electrical load,
wherein the electrical load power providing unit is arranged for determining a current limit as a power control value based on the output voltage of the power provided over the power output interface by the power providing device of the power distribution system, and
wherein the electrical load power providing unit is further arranged to control the power level of the electrical load power based on the power control value to avoid the occurrence of the overload condition at the power providing device, such that the power consumed by the powered device is above the predetermined first power limit and the power provided by the power providing device is equal to or below, the predetermined second power limit.

US Pat. No. 10,381,780

SYSTEM AND METHOD FOR MONITORING THE CONNECTION OF A PLUGGABLE LIGHTING UNIT TO A SOCKET

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1. A system for monitoring the connection of a plug of a lighting unit to a socket, the system comprising:at least one socket for receiving the plug of a lighting unit, the at least one socket comprising:
a detection arrangement for detecting connection of the plug to the socket, wherein the detection arrangement is adapted to generate a session identifier which identifies the session during which the plug remains connected to the socket, wherein the detection arrangement is adapted to generate a new session identifier each time the plug is connected to the socket; and
a lighting controller adapted to store and/or monitor the session identifier to enable determination that the plug has been unplugged from the socket, wherein the session identifier comprises an analogue parameter value based on a variable impedance, which value is generated by mechanical movement of one or more components of the detection arrangement in response to the mechanical operation of connecting the plug to the socket.

US Pat. No. 10,374,374

LAMP BASE ALLOWING FOR ELECTRICAL CONTACT IN VARIOUS ROTATIONAL POSITIONS

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1. A screw-in type base for a lighting device being arranged to be mounted in a socket comprising a socket bottom conductor, the base comprising:a threaded tubular enclosure extending along an axial direction between a first end portion and a second end portion of the threaded tubular enclosure;
a base bottom conductor arranged to be in electrically conductive contact with a light source of the lighting device, and arranged to make electrically conductive, biased contact with the socket bottom conductor when the lighting device is mounted in the socket, and
an insulator electrically insulating the threaded tubular enclosure and the base bottom conductor from each other,
wherein the base bottom conductor comprises a compliant thin-walled member on at least a surface facing the socket bottom conductor arranged such that the base bottom conductor is, relative to the threaded tubular enclosure, movable in the axial direction and the compliant thin-walled member portion of the base bottom conductor is compliant in response to engagement with the socket bottom conductor when the lighting device is mounted in the socket and
wherein the compliant thin-walled member is overmolded by the insulator.

US Pat. No. 10,364,944

VISIBLE AND UV LIGHTING SYSTEM

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1. A lighting system, comprising:a housing which comprises a support structure and a light exit window for emitting light to the ambient surroundings of the lighting system;
an arrangement of UV LEDs mounted on the support structure, wherein the UV LEDs directly face the light exit window;
an arrangement of visible light LEDs mounted on the support structure;
a reflector arrangement, wherein the visible light LEDs face the reflector arrangement, and the reflector arrangement is for reflecting the visible light output from the visible light LEDs to the exit window; and,
a UV beam shaping arrangement for shaping the output of the UV LEDs such that nearly all of the output of the UV LEDs passes to the light exit window without reaching any of the visible light LEDs.

US Pat. No. 10,364,959

LIGHTING DEVICE AND LIGHTING SYSTEM

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1. A lighting device comprising:a housing comprising a light emission window and, opposite thereto, a reflector,
a planar carrier between the light emission window and the reflector, the planar carrier being light transmissive and comprising, at least on a side facing the reflector, a grid of a plurality of light sources,
the plurality of light sources comprising a first group of first light sources and a second group of second light sources, wherein each of the first light sources has a respective first emission orientation in a respective first direction away from the reflector, and each of the second light sources has a respective second emission orientation to issue light towards the reflector, wherein the light issued by the second light sources, after reflection by the reflector, is redirected substantially into the respective first direction, wherein the first light sources alternate with the second light sources on the grid.

US Pat. No. 10,420,182

AUTOMATICALLY COMMISSIONING A GROUP OF LIGHTING UNITS

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1. A lighting system controller to control a plurality of lighting units of a lighting system, comprising:a communication interface; and
logic operably coupled with the communication interface and configured to:
determine a time interval for automatically grouping two or more lighting units of the plurality of lighting units of the lighting system as a grouping;
receive, via the communication interface within an iteration of the determined time interval, from two or more sensors associated with the lighting system, indications of two or more sensor events;
determine one or more properties of light emitted by each of the two or more lighting units associated with at least one of the two or more sensor events received within the same iteration of the determined time interval; and
automatically group the two or more lighting units as the grouping configured to be collectively controlled based on the indications and light output of each of the two or more lighting units.

US Pat. No. 10,400,964

METHOD AND APPARATUS FOR RETROFIT MOUNTING AND WIRING SMALL APERTURE RECESSED LIGHTING

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1. A retrofit LED lighting fixture, comprising:a luminaire housing having an opening, said luminaire housing having a top wall opposite said opening;
said luminaire housing defining an internal cavity;
said luminaire housing having a first side member positioned between said opening and said top wall, said first side member defining at least a portion of an outer side wall of said luminaire housing, said first side member having a junction box aperture;
a junction box containing a power supply, said junction box matingly received and removably retained within said junction box aperture of said luminaire housing, such that the junction box extends through the junction box aperture and at least a portion of said junction box extends beyond an outer perimeter of said top wall;
said junction box having a face plate removably affixed to said junction box by at least one affixation mechanism;
a light engine module removably retained within said internal cavity of said luminaire housing, said light engine module having at least one LED;
a side wall;
a light exit aperture substantially covered by a lens;
a second top wall, a planar support member mounted to said second top wall;
said at least one LED mounted on said planar support member, said planar support member positioned adjacent to said second top wall;
said light engine module having at least one first clip extending into said luminaire housing; and
at least one second clip attached to said luminaire housing, said at least one second clip frictionally engaging and separable from said at least one first clip such that a pulling force (P) will separate said at least one first clip and said at least one second clip.

US Pat. No. 10,389,260

HALF BRIDGE RESONANT CONVERTERS, CIRCUITS USING THEM, AND CORRESPONDING CONTROL METHODS

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1. A half bridge resonant converter, comprising:a pair of DC voltage lines comprising a high voltage line and a low voltage line;
a half bridge inverter comprising a high side switch and a low side switch in series between the high voltage line and the low voltage line, wherein an output of the half bridge inverter is defined from a node (X) between the high side switch and the low side switch;
a resonant circuit coupled to the output of the half bridge inverter via a series output capacitor;
a first generating circuit for generating a first supply voltage from the high voltage line and from a voltage at the node (X) wherein the first generating circuit comprises:
a first input for receiving a voltage between the node (X) and the resonant circuit;
a charge pump circuit for converting an AC voltage at the first input into a DC voltage and storing it on a first output capacitor (Co) as an output of the first generating circuit at the first supply voltage; and
a supply transistor between the high voltage line and the output of the first generating circuit for charging the output capacitor (Co) before a start-of-oscillation occurs;
a second generating circuit for generating a second supply voltage from the low voltage line and from the voltage at the node (X);
a first control circuit for generating a gate drive signal for controlling the switching of the high side switch in dependence on an electrical feedback parameter, wherein the first control circuit has as its reference voltage supply the voltage at the node (X) and the first supply voltage greater than the voltage at the node; and
a second control circuit for generating a gate drive signal for controlling the switching of the low side switch in dependence on the electrical feedback parameter, wherein the second control circuit has as its reference voltage supply the low voltage line and the second supply voltage greater than the voltage at the low voltage line.

US Pat. No. 10,378,731

LIGHTING SYSTEM AND A METHOD OF GENERATING A LIGHT OUTPUT

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1. A lighting module comprising:an LED (44);
a lens over the LED to produce a beam-shaped output from the LED;
a collimator arranged to partially collimate the beam-shaped output, said collimator comprising a total internal reflection Fresnel lens; and
a blue light generator for providing blue light at relatively large angles to the normal, the relatively large angles being angles greater than 40 degrees away from the normal,
wherein the collimator provides an output which comprises a narrow collimated relatively high intensity beam and a wide relatively low intensity beam; and
wherein the blue light generator further comprises a filter arrangement over the collimator, the filter arrangement being adapted to filter light from the collimator at the relatively large angles to the normal to provide blue light; and
wherein the filter arrangement does not filter light from the collimator at relatively small angles to the normal, the relatively small angles being less than 40 degrees away from the normal.

US Pat. No. 10,374,758

METHOD AND APPARATUS FOR CONTROLLING HANDSHAKE IN A PACKET TRANSMISSION NETWORK

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1. An apparatus for controlling handshake in a packet transmission network, the apparatus comprising:a processor to detect packet loss in a handshake-based packet transmission and for estimating a cause of the detected packet loss, and change a handshake strategy of the packet transmission based on the estimated causes,
wherein the processor estimates a packet loss rate caused by said estimated cause and to estimate a remaining time for handshake based on the packet loss rate, to compare the remaining time with a predetermined handshake timeout, changes the handshake strategy upon determination that the estimated remaining time is larger than the predetermined handshake timeout, estimates a wireless loss when the detected packet loss is distributed randomly or when delays between each received packet and respective subsequent packet of the received continuous packets are determined by the processor to be equal, and
wherein, when the processor has estimated a wireless loss, then the processor estimates a packet loss rate, estimates a remaining time for handshake based on the packet loss rate, to compare the remaining time with a predetermined handshake timeout, and increases a transmission rate of the packet transmission proportional to a ratio between the estimated remaining time for handshake and the predetermined handshake timeout if the estimated remaining time is larger than the predetermined handshake timeout.

US Pat. No. 10,372,765

ASSISTING A USER IN SELECTING A LIGHTING DEVICE DESIGN

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1. A method for suggesting a lighting device design to a user, the method comprising the steps of:acquiring, by a server, user interest information relating to the user, from one or more data sources;
acquiring, by the server, a first scene comprising data representing a first physical space, wherein said first scene is one of a set of scenes representing respective physical spaces stored in a repository;
determining, by the server, a lighting device design related variable based on the acquired user interest information and on analysis of the data;
providing, by the server, a first lighting device design based on the lighting device design related variable, wherein the first lighting device design is one of a set of lighting device designs stored in the repository separately from the set of scenes, and a first lighting effect, wherein the first lighting effect is one of a set of lighting effects stored in the repository separately from the set of scenes and separately from the set of lighting device designs;
rendering a composite image of the first lighting device design by combining the first scene, the first lighting device design and the first lighting effect into the composite image; and
displaying the composite image of the first lighting device design.

US Pat. No. 10,365,127

DATA LOGGING DEVICE

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1. A portable system for logging sensor data and creating energy consumption patterns in an area comprising:a low-power and/or low accuracy clock; and
a processor in communication with a memory, the processor;
receiving data items from each of a plurality of sensors;
associating a time stamp generated by the low-power and/or low accuracy clock with each data item received from each of the plurality of sensors;
storing the received data items for a predetermined period of time; and
processing the stored data items to determine a high accuracy clock time stamp for each of the stored data items, wherein determining said high accuracy clock time stamp comprises:
determining a time usage pattern of the area during a period of receiving the data items;
approximating a correction of the time-stamp associated with the low-power and/or low accuracy clock based on the time usage pattern;
determining an occupancy pattern during a period of receiving the data items;
refining the correction based on the occupancy pattern associated with a second known time usage pattern; and
applying the correction to the time-stamp associated with the low-power and/or low accuracy of the stored data.

US Pat. No. 10,366,245

GREEN POWER FOR DENSE LARGE NETWORKS (PROXY TABLE SCALING)

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1. Method for managing proxy device assignment in a wireless communication network characterized in that proxy devices in the wireless communication network operate as relay devices forwarding signals from a resource restricted device to at least one destination device, the method comprising:dividing an identifier space available to the resource restricted device into at least two parts, and
assigning at least one of the at least two parts of the identifier space to at least one proxy device of the wireless communication network wherein the proxy device assigned to the at least one of the at least two parts of the identifier space is responsible for at least selected tasks associated with forwarding signals related to the resource restricted device comprising an identifier falling within the first part of the identifier space.

US Pat. No. 10,366,048

METHOD OF PERFORMING AUTOMATIC COMMISSIONING OF A NETWORK

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1. A method of performing automatic commissioning of a network comprising a plurality of network devices for lighting a building, wherein the devices are realised to exchange data packets, which method comprises the steps of:receiving an installation plan for the network, which installation plan comprises a physical location descriptor for devices of the network, wherein each device is characterised by a device identifier;
installing, or having installed, power and data cables for the plurality of network devices and wherein the plurality of network devices includes at least two or more of a light or luminaire, light switch, light sensor and thermostat according to the installation plan;
issuing broadcast commends for a predetermine time to each device to broadcast data packets to other devices;
accumulating, during the predetermine time by each device, network descriptive information based on communication information related to data packets exchanged between the devices, wherein the network descriptive information identifies neighboring devices for each device of the network and includes one or more of a list of sending/receiving device port identifiers, forwarding tables, connectivity tables, traceroute time results, and ping time results;
analysing the accumulated network descriptive information from each device to deduce a network topology of the entire network by estimating distances between each device using the network descriptive information;
allocating a physical location descriptor to each device identifier in the network topology by comparing the network topology to the installation plan, by pairing a device identifier with a physical location descriptor by deduction;
grouping devices based on their physical locations or function,
commissioning the network by providing the device identifiers, physical location descriptors and groups to a control system to control a device, and
controlling the network based on the device identifiers and physical location descriptors.

US Pat. No. 10,416,369

LIGHT CONCENTRATOR FOR USE IN A LIGHTING DEVICE

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1. A light concentrator comprising:at least one lighting element configured to emit light;
an optical filter arranged so as to receive light having a wavelength within a selected wavelength emission band via a light in-coupling surface and configured to selectively transmit light incident on the light in-coupling surface through the optical filter and output the light via a light out-coupling surface, on a condition that the light incident on the light in-coupling surface has a wavelength within a selected wavelength transmission band;
a light-redirection element having a light-redirection surface arranged substantially parallel in relation to the light out-coupling surface of the optical filter so as to receive at least some of the light out-coupled via the light out-coupling surface, and configured to redirect light impinging on the light-redirection surface;
a light-guiding region, which is delimited at least by the light-redirection surface and the light out-coupling surface of the optical filter, for guiding light out-coupled via the light out-coupling surface towards at least one light-exiting region arranged substantially perpendicular to the light out-coupling surface and via which light may leave the light concentrator; and
a wavelength-selective element arranged so as to receive at least a portion of light having been emitted by the at least one lighting element and configured to, responsive thereto, output light having a wavelength within the selected wavelength emission band, wherein the optical filter is arranged so as to receive at least a portion of light having been output by the wavelength-selective element, wherein the wavelength-selective element comprises luminescent material and the wavelength-selective element is configured such that light output by the wavelength-selective element has a full width at half maximum of less than 30 nm;
wherein the optical filter is configured such that characteristics of the wavelength transmission band depend at least in part on the angle of incidence of light incident on the light in-coupling surface, and wherein the optical filter is configured such that the wavelength transmission band for a selected angle or angles of incidence of light incident on the light in-coupling surface at least in part overlaps with the wavelength emission band, whereby light incident on the light in-coupling surface with an angle of incidence equal to or within the selected angle or angles of incidence of light is transmitted through the optical filter.

US Pat. No. 10,404,069

DRIVING CIRCUIT, DRIVING ARRANGEMENT AND DRIVING METHOD, SUITABLE FOR GRID FEEDING

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1. A driving arrangement for driving a set of appliances, comprising:a set of driving circuits, wherein each driving circuit include,
a two-line power input;
a first output for connection to one of the set of appliances;
a second, two-line, output;
an internal energy source; and
a switching arrangement, wherein the second, two-line, output is coupled to the two-line power input via the switching arrangement and the switching arrangement is configurable into,
a first mode, in which the two-line power input is connected to the second, two-line, output, and the internal energy source is isolated from direct connection to the two-line power input; and
a second mode in which the internal energy source is in series between a first line of the two-line power input and a corresponding first line of the second, two-line, output;
wherein the set of driving circuits are connected together in a chain, with the second, two-line, output of one of the set driving circuits connected to the two-line power input of next one of the set of driving circuits in the chain, wherein each driving circuit is for driving a respective appliance.

US Pat. No. 10,404,096

EMERGENCY LIGHTING SYSTEM

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1. An emergency lighting ballast comprising:a power translation circuit configured to receive input power from an emergency power source and to supply emergency output power, in response to an emergency state, to a load comprising one or more light sources;
a voltage monitor configured to monitor in real time a voltage across the load and in response thereto to produce a voltage feedback signal;
a current monitor configured to monitor in real time a current through the load and in response thereto to produce a current feedback signal;
a temperature sensor configured to generate a temperature signal; and
a programmable control device;
wherein the programmable control device is configured to control the power translation circuit in response to at least one of the voltage feedback signal or the current feedback signal to cause the emergency output power supplied to the load to have a programmed power output profile during the emergency state, wherein the programmed power output profile is a function of at least the temperature signal;
wherein the programmable control device is further configured to activate, if there is no power to the load as indicated by the voltage feedback signal and/or the current feedback signal, a self-test emergency state in response to a manual or preprogrammed request for a self-test, wherein the preprogrammed request for a self-test is made pursuant to a predetermined self-test schedule; and
wherein the programmable control device is further configured to monitor one or more operating parameters of the emergency lighting ballast, and to create an alert if at least one of the one or more operating parameters falls outside a predetermined range.

US Pat. No. 10,405,164

TRANSMISSION MODE SELECTION OF A ZIGBEE GREEN POWER DEVICE

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1. A method for transmitting a message to a wireless device in a mesh network,the wireless device comprising a set of at least two distinct logical entities, the wireless device being arranged for receiving a message during discontinuous reception opportunities,
the method comprising, prior to transmission of the message, the steps of
(a) selecting a transmission mode from a set of transmission modes comprising a first transmission mode and a second transmission mode, where,
in the first transmission mode, the reception opportunities for the message are limited to the reception opportunities that are associated with a single selected logical entity of the set of at least two logical entities, and
in the second transmission mode, the reception opportunities for the message correspond to combined reception opportunities associated with at least two logical entities of the set of at least two logical entities; and
(b) causing the transmission of the message during one of the reception opportunities corresponding to the selected transmission mode; and
wherein steps (a) and (b) are carried out at a proxy node transmitting the message to a wireless device,
wherein the step (a) of selecting a transmission mode is based on a detected value of an indicator in a received control message indicative of the selected transmission mode,
wherein the step (b) of causing the transmission of the message includes substeps (b1) generating a message to be sent to the wireless device from the control message, and
(b2) transmitting the message to the wireless device based on the detected transmission mode,
where, in the first transmission mode, the reception opportunities for the message are limited to the reception opportunities associated with a single selected logical entity of the set of at least two logical entities, and
in the second transmission mode, the reception opportunities for the message correspond to combined reception opportunities associated with at least two logical entities.

US Pat. No. 10,405,258

METHOD FOR MANAGING A PROXY TABLE IN A WIRELESS NETWORK USING PROXY DEVICES

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1. A method for managing a proxy table at a proxy node, the method comprising:receiving a message from a first resource restricted device, said message being intended to at least one corresponding destination device,
checking whether an entry for the first resource restricted device is included in the set of entries of the proxy table, the set of entries of the proxy table indicating the set of resource-restricted devices the proxy node does forward messages from to the corresponding destination device,
forwarding the message depending on the result of the proxy table checking, for at least an entry related to the resource-restricted device, monitoring the relative usage of the entry for forwarding messages for the resource restricted device with the usage of competitor proxy nodes for forwarding messages for the resource restricted device, and deciding upon keeping, or amending, or removing the entry.

US Pat. No. 10,401,470

METHOD AND APPARATUS FOR LOCATING OF A MOBILE DEVICE

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1. A method of determining a location of a mobile device, the method comprising:as at least part of a location network, providing a trigger node for transmitting wirelessly to the mobile device, and providing multiple listening nodes for receiving wirelessly from the mobile device;
using an entity in the form a presence sensor to detect that a user of the mobile device is within a predetermined proximity of the presence sensor;
using the trigger node to wirelessly transmit a trigger signal to the mobile device in response to detecting that the user is within the predetermined proximity of said presence sensor, the trigger signal being configured to cause the mobile device to wirelessly emit a signal in response to receiving the trigger signal; and
using the listening nodes to listen for the response signal that was transmitted from the mobile device in response to the trigger signal, and thereby at each respective one of a plurality of the listening nodes that wirelessly receive the response signal from the mobile device, taking a respective measurement of the response signal as received at the respective listening node, for use in performing a localization to determine the location of the mobile device based on one or more of said measurements,
wherein the mobile device wirelessly emits one or more other signals in addition to said response signal, and each of the listening nodes are used to listen for the response signal and said other signals even if not addressed to the listening node, in order to take respective measurements of the response signal and at least one of the other signals for use in performing said localization.

US Pat. No. 10,386,450

METHOD AND SYSTEM FOR REFINED POSITIONING VIA INTERSECTION OF HYPER ZONES

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1. An apparatus configured to locate a radio unit relative to a plurality of anchor nodes, the anchor nodes being radio units with known locations, wherein the apparatus comprises:an identification unit for receiving identification information of selected anchor nodes and respective signal strength or quality information of radio links between the radio unit to be located and the selected anchor nodes, and for identifying hyper zones of intersecting types for each of the selected anchor nodes, wherein hyper zones of a respective type extend along one respective direction out of a plurality of different directions, each hyper zone comprising at least two of the anchor nodes;
a selection unit for calculating for each of the identified hyper zones an allocated single hyper-zone signal strength or quality based on the received respective signal strength or quality information of radio links of anchor nodes belonging to the hyper zone, and for selecting a hyper zone with highest hyper-zone signal strength or quality for each type of hyper zones; and
an intersection unit for determining an intersection region of the selected hyper zones with highest hyper-zone signal strength or quality and for deriving a location information of the intersection region as the location of the radio unit to be located.

US Pat. No. 10,386,454

NETWORK CENTRIC LOCALIZATION FOR DETERMINING THE LOCATION OF MOBILE DEVICES

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1. A system comprising:a location server comprising a network interface for receiving a plurality of measurement reports submitted from a plurality of reference nodes of a location network, each of the plurality of measurement reports reporting a measurement of a signal received by a respective one of the plurality of reference nodes from a respective one of one or more mobile devices;
a localization module configured to determine a location of the one or more of the mobile devices based on at least some of said plurality of measurement reports; and
a node manager configured to control whether and/or when one or more of said plurality of measurement reports are submitted from one or more of the plurality of reference nodes, in dependence on a measure of relevance to said determination of the location of the one or more of the mobile devices;
wherein said control by the node manager comprises: controlling a time at which one or more of the measurement reports are submitted to the location server, the time depending on the measure of relevance so as to be staggered in time relative to the submission of one or more others of the measurement reports, and
wherein controlling said time comprises: delaying the time at which one or more of the measurement reports are submitted, the delay being inversely related to the measure of relevance.

US Pat. No. 10,386,559

LIGHT EMITTING DEVICE COMPRISING WAVELENGTH CONVERTER

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1. A light emitting device comprising:a light source having a light exit surface:
a wavelength converter configured to convert light from a first wavelength to a second wavelength, said wavelength converter having a light exit surface and a light entrance surface which extend in an angle different from zero to one another;
a heat sink; and
an optical coupling element arranged in contact with said wavelength converter, and in thermal connection with said heat sink;
wherein said optical coupling element is selected to have a refractive index in the range of 1.1-1.6, and lower than a refractive index of said wavelength converter, and
said heat sink is thermally connected to said wavelength converter through said optical coupling element.

US Pat. No. 10,386,051

OPTICAL STRUCTURE, LIGHTING UNIT AND A METHOD OF MANUFACTURE

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1. An optical structure for processing the light output by a lighting unit, comprising:an optical layer including:
a translucent plate having an inner surface and an outer surface; and
a first beam processing structure for optically processing a light output, the first beam processing structure including at least one collimator or reflector arranged at the inner surface of the translucent plate to direct the light output through the optical layer;
said translucent plate comprising at least one region, wherein the entirety of the at least one region is laterally offset from the first beam processing structure in a first direction; and
circuitry or a chip connected to the inner or outer surface of the translucent plate and arranged entirely within the at least one region; or, the circuitry or the chip integrated and arranged entirely within the translucent plate in the at least one region.

US Pat. No. 10,386,053

HEATSINK AND LUMINAIRE

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1. A luminaire comprising:a heatsink comprising:
a rim having a first rim section, a second rim section and an intermediate rim section in between the first rim section and the second rim section,
a first heatsink region comprising a mounting region and a plurality of first fins extending from the mounting region to at least one of the first rim section and the second rim section, and
a second heatsink region comprising a plurality of second fins looping from the intermediate rim section;
wherein at least a portion of gaps allows air flowing therethrough at a direction from a first side of the mounting region and a second side of the mounting region opposite the first side, or vice versa, which gaps are delimited by the first fins, the second fins and/or the rim;
a light module mounted in the mounting region and thermally coupled to the first heatsink region, the light module comprising at least one light engine and a controller for the at least one light engine; and
a sensor mounted on the second heatsink region, the sensor being communicatively coupled to the controller, the controller being adapted to control the at least one light engine in response to a sensor signal from the sensor.

US Pat. No. 10,440,804

OCCUPANCY MESSAGING IN WIRELESS NETWORKED LIGHTING SYSTEM

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1. A device configured to form part of a wireless networked lighting system that comprises a controller and lamps, wherein the device comprises:a target detector configured to detect a presence of a target in a first area, and
a transmitter configured to transmit:
a multicast message to the controller and to one or more of the lamps in response to a detection of the presence of the target in the first area when the device establishes a need for a first response speed,
a unicast message to the controller when the device establishes that the first response speed is not needed and so that a slower second response speed is acceptable; and
wherein the transmitter is configured to transmit the multicast message to the controller and to the one or more of the lamps for a detected first amount of light in a second area, and wherein the transmitter is configured to transmit the unicast message to the controller in response to the detection of the presence of the target in the first area for a detected second amount of light in the second area, the first amount of light being smaller than a threshold value and the second amount of light being larger than the threshold value, and the first and second areas being at least partly overlapping areas.

US Pat. No. 10,432,021

EMERGENCY INVERTER AND EMERGENCY LIGHTING SYSTEM

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1. An emergency inverter configured to provide an output power to a plurality of device drivers, comprising:a power detection module configured to detect an output current and an output voltage, and, based on the output current and output voltage, determine the total output power of the emergency inverter in an emergency state; and
a dimming signal generating module coupled to the power detection module and configured to generate a dimming signal based on the total output power of the emergency inverter in the emergency state;
wherein the dimming signal generating module is configured to generate the dimming signal in response to the total output power being detected by the power detection module as greater than a rated power of the emergency inverter and to send the dimming signal to the plurality of device drivers to instruct an adjustment of a power level of the plurality of device drivers, wherein the emergency inverter is configured to set the total output power in response to the power level of the plurality of device drivers, and wherein the emergency inverter is configured enable mains power to be provided as the output power when in a non-emergency state and to impose the rated power when the emergency inverter is in the emergency state.

US Pat. No. 10,428,817

COOLING ARRANGEMENT FOR COOLING AN APPARATUS

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1. A cooling arrangement for cooling of an apparatus which when used may generate heat, the cooling arrangement comprising:a first member comprising a first base and a first spiral wrap extending from the first base, the first member being configured to at least thermally couple the apparatus thereto;
a second member comprising a second base and a second spiral wrap extending from the second base, the first spiral wrap and the second spiral wrap being interleaved;
wherein at least one of the first member and the second member can be moved so as to result in an orbiting motion of one of the first spiral wrap and the second spiral wrap relatively to the other one of the first spiral wrap and the second spiral wrap such that a volume of fluid in at least one space between the first spiral wrap and the second spiral wrap progressively moves during the orbiting motion, thereby generating a flow of fluid between the first spiral wrap and the second spiral wrap, which flow of fluid cools the first member by means of dissipation of heat generated by the apparatus by way of transfer of heat from the first member to the flow of fluid between the first spiral wrap and the second spiral wrap, further comprising a heat spreader (26) coupled to the first member, wherein the first member is configured to couple the apparatus to the first member via the heat spreader.

US Pat. No. 10,422,943

LUMINAIRE WITH LIGHT GUIDE

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1. A luminaire comprising:a light guide comprising an edge portion between a first major surface and a second major surface, wherein the first major surface defines light outcoupling elements and the second major surface is a flat light output surface which is visible in use of the luminaire, wherein a general light output direction is normal to the second major surface;
an output reflector facing the first major surface;
an array of solid state lighting elements arranged around the edge portion and each having an optical axis extending along and facing the general light output direction; and
an array of lighting element reflectors, with a respective reflector associated with each solid state lighting element for reflecting light into the light guide.

US Pat. No. 10,418,913

DC/DC RESONANT CONVERTERS AND POWER FACTOR CORRECTION USING RESONANT CONVERTERS, AND CORRESPONDING CONTROL METHODS

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1. A converter, comprising:a half bridge inverter comprising a first switch and a second switch, wherein an output is defined from a node between the first and second switch;
a self-oscillating LLC circuit coupled to the output, wherein an electrical feedback parameter is provided by the self-oscillating LLC circuit, wherein at a first moment in time the electrical feedback parameter is equal to the value of a predefined electrical feedback parameter threshold and wherein the slope of the electrical feedback parameter has a sign equal to that of the sign of the electrical feedback parameter threshold and at a second moment in time the electrical feedback parameter is equal to the value of the electrical feedback parameter threshold and wherein the slope of the electrical feedback parameter has a sign opposite to that of the sign of the electrical feedback parameter threshold;
a control circuit for generating a gate drive signal for controlling the switching of the first switch and the second switch in dependence on a comparison between the electrical feedback parameter with said predefined electrical feedback parameter threshold, whereby a high gate drive signal turns on the first switch and turns off the second switch and a low gate drive signal turns off the first switch and turns on the second switch, wherein the control circuit comprises:
a detecting circuit for detecting a sign of a slope of the electrical feedback parameter; and
a preventing circuit for preventing a change in the gate drive signal starting after the first moment in time and before the second moment in time and ending after the second moment in time and before the next first moment in time.

US Pat. No. 10,419,114

SYSTEM AND METHOD FOR TARGETED DATA COMMUNICATION

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1. Method for directing communication traffic to and from a communication unit within an application control system, wherein the application control system comprises a plurality of application control components, the application control components being capable of transmitting data to the communication unit using light waves, the method comprising:determining the positions of the application control components within the application control system;
determining respective first and second position information of a first communication unit within the application control system at subsequent instants;
computing an area of interest for the first communication unit based on changes between at least the first and second position information;
identifying a first subgroup of one or more application control components from the plurality of application control components located within the area of interest of the first communication unit; and
programming data paths through the application control system to communicate data with the communication unit using the identified subgroup of application control components.

US Pat. No. 10,408,433

LED MODULE

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1. An LED module, comprising:a printed circuit board, PCB, with a plurality of LEDs mounted thereon; and
first and second optical cover plates each comprising an optically transmissive portion and coupled to the PCB so as to cover a respective subset of the plurality of LEDs,
wherein the first and second optical cover plates have complementary geometries so that they are self-aligning in two axes, each of the first and second optical cover plates further comprises a respective sealing groove surrounding the respective subset of the plurality of LEDs;
wherein each of the respective sealing grooves has a U-shaped cross section, the U-shaped cross section being formed in the respective cover plate by a base that extends from an edge of the cover plate and is essentially parallel to the cover plate, and two standing walls each connected to the base;
and wherein the complementary geometries bridge the respective sealing grooves of the first and second optical cover plates to form one integral sealing groove.

US Pat. No. 10,411,826

DYNAMIC LIGHT CHANNEL

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1. A lighting actuator for communicating data from a source node unit communicatively coupled with the lighting actuator to a data end node unit wirelessly via light waves, wherein the lighting actuator comprises:a network interface to receive a first temporary data path definition assigning the lighting actuator to embed data from the source node unit into light waves for emission to the data end node unit and a light channel configuration assigning respective light channels to a respective data end node units including the data end node unit in accordance with an application control plan coordinating operation of a plurality of lighting actuators, and
a processor to assign a light channel to the data end node unit according to the light channel configuration received by the lighting actuator, wherein data communication addressed to the data end node unit and received in accordance with the temporary data path definition is forwarded to the data end node unit using the assigned light channel.

US Pat. No. 10,411,641

METHOD AND SYSTEM FOR OPTIMALLY DISTRIBUTING POWER BETWEEN A BATTERY AND A POWER GRID

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1. A method for distributing power from a renewable power source having a variable output power over time between an energy storage device and a power grid, wherein the method is adapted to, for each one of a plurality of time slots:determine an output power of the power source in the respective time slot;
compare the output power of the power source to a maximum input power of the energy storage device;
determine a ratio for distributing the output power to the energy storage device or the power grid in the respective time slot based on the comparison, wherein
distributing the output power to the energy storage device as a priority when the output power of the power source is below the maximum input power of the energy storage device; and
increasing the ratio for distributing the output power to the power grid and decreasing the ratio for distributing the output power to the energy storage device as the output power of the power source increases above the maximum input power of the energy storage device; and
distribute the output power from the power source to either the energy storage device or the power grid in divisions of time in the respective time slot according to the determined ratio, wherein surplus output power produced by the power source, above the maximum input power of the energy storage device, is discarded when the output power is distributed to the energy storage device,
wherein when determining the ratio for distributing power, setting the ratio to one for the energy storage device, and zero for the power grid, if the power grid is not available.

US Pat. No. 10,411,399

ELECTRICAL CABLE RETENTION

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1. An assembly for securing an electrical cable to a body, the assembly comprising:a clamping member comprising a pair of spatially separated cable holes dimensioned to receive the electrical cable and a pair of guide channels inwardly extending from opposing edges of the clamping member; and
a pair of anchoring members for securing the clamping member to the body, each anchoring member comprising a major surface transversely extending from a mounting surface, the major surface having an edge region defining a guide rail for engaging with one of the guide channels and a pair of spatially separated ribs extending from the edge region across said major surface for retaining the clamping member.

US Pat. No. 10,393,349

OPTICAL ARRANGEMENT, OPTICAL SYSTEM AND A METHOD OF SHAPING AN OPTICAL BEAM

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1. An optical arrangement, consisting of a first and a second optical element being mutually moveable along an axis for generating a variable light output beam:the first optical element for collimating light from a light source to generate collimated light;
the second optical element for receiving collimated light from the first optical element, wherein an array of convex lenses located on a first face of the second optical element is associated with an array of convex lenses located on a second face of the second optical element opposite the first face,
wherein for each lens located on the first face the collimated light passing through said lens is designed to pass through an associated, directly oppositely positioned lens of the array of lenses located on the second face, and
wherein each lens on the second face is designed to focus on the associated lens on the first face, and each lens on the first face is designed to focus on the associated lens on the second face, and,
wherein the arrays of lenses on the first and second faces have an increasing or decreasing lens diameter towards the edge of the second optical element, such that a spread of output angles of the light output from the second optical element increases or decreases with increasing distance from the center of the second optical element, and the spread of output angles at the output of the optical arrangement is dependent on the spacing between the light source and the first optical element or the spacing between the first and second optical elements.

US Pat. No. 10,397,823

DEVICE AND METHOD FOR SCHEDULING DATA PACKET TRANSMISSION IN WIRELESS NETWORKS

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1. A system for controlling data packet transmission in a wireless network, the system comprising:a plurality of nodes; and
at least one data collector node,
wherein at least one control unit included in at least one of the plurality of nodes and/or the data collector node is adapted to randomly select, independently for each of the plurality of nodes configured to respond to a received data packet, a respective time slot within a determined answer interval for transmitting an answer responding to the received data packet, wherein the answer interval is applied to each of the plurality of nodes configured to respond to said received data packet and wherein at least one of any of the plurality of nodes and/or the data collector node determines: a) an amount of the plurality of nodes responding to said received data packet and b) a length of said answer interval based on the amount of the plurality of nodes determined to respond to said received data packet,
wherein the data collector node is adapted to poll at least one given node of any of the plurality of nodes for data packet transmission based on a hop distance of the given node to the data collector node and/or a network area in which the given node is located, and
wherein the data collector node is adapted to multicast a data request message to at least some of the plurality of nodes, to which the at least some of the plurality of nodes answer with a node-specific delay after having received the data request message.

US Pat. No. 10,393,778

DISAGGREGATION APPARATUS

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1. A disaggregation apparatus for identifying an electrical consumer in an electrical network, wherein the electrical network comprises a power source and multiple electrical consumers, the disaggregation apparatus comprising:an electrical signature providing unit for providing electrical signatures (in) of each of the electrical consumers, the electrical signature providing unit including a training method to switch on each electrical consumer one at the time and storing the corresponding electrical signature in the form of a current signature,
an electrical parameter determining unit for determining an overall electrical parameter (itot,k) of the electrical network, wherein the overall electrical current of the electrical network is measured,
an identification unit configured to normalize each of said electrical signatures (in), to generate a unity signature correlation matrix (R), which comprises correlations between each of said normalized electrical signatures with peak current equal to one of the respective electrical consumer's current, and identify an electrical consumer based at least partly upon the determined overall electrical parameter (itot,k) and the unity signature correlation matrix (R).

US Pat. No. 10,388,199

ILLUMINATION PERCEPTION AUGMENTATION METHOD, COMPUTER PROGRAM PRODUCTS, HEAD-MOUNTABLE COMPUTING DEVICE AND LIGHTING SYSTEM THAT ADJUSTS A LIGHT OUTPUT OF A LIGHT SOURCE BASED ON A DESIRED LIGHT CONDITION

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1. A method of augmenting an illumination perception by a plurality of wearers of a plurality of head-mountable computing devices adapted to communicate with a lighting system, each of the plurality of head-mountable computing devices including at least one transparent display module for covering a field of view of each wearer of the plurality of wearers, the method comprising:determining a desired light condition for each of said plurality of wearers in a space;
determining an actual light condition for each of said plurality of wearers in said space; and
displaying a semi-transparent image on the at least one transparent display module of each of the plurality of head-mountable computing devices to filter a light passing through the at least one transparent display module in case the actual light condition differs from the desired light condition;
communicating the desired light condition for each of the plurality of said wearers in said space and the actual light condition for each of the plurality of said wearers in said space to the lighting system including a plurality of light sources, for illuminating said space; and
adjusting a light output of at least some of the light sources in response to said communication;
wherein said adjusting comprises adjusting said light sources in response to a plurality of the desired light conditions and a plurality of the actual light conditions communicated to the lighting system by the plurality of head-mountable computing devices within said space.

US Pat. No. 10,448,478

LED STRIP, LED LUMINAIRE, AND A METHOD OF MANUFACTURING THEREOF

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1. A lighting assembly for emitting substantially white light of a controllable correlated color temperature, the lighting assembly comprising:a plurality of groups of light sources, wherein, each group comprises a first light source, a second light source and a third light source,
said first light sources are for emitting a first light having a first color point and a first correlated color temperature, the first color point being within 7 SDCM from a black body line, the first correlated color temperature being larger than 5000 Kelvin,
said second light sources are for emitting a second light having a second color point and a second correlated color temperature, the second color point being within 7 SDCM from the black body line, the second correlated color temperature being smaller than 2250 Kelvin, and
said third light sources are for emitting a greenish light, the greenish light having a third color point in the CIE 1931 XYZ color space within an intersection of half spaces y>=1.04 x and y>=?0.0694x+0.4525, each third light source being capable of emitting a specific maximum flux of light under predefined standard operation conditions, the specific maximum flux of each individual third light source maximally deviates 35% from an average maximum flux under the predefined standard operation conditions of all third light sources of the plurality of groups and the specific maximum flux of at least one of the third light sources deviates more than 10% from the average maximum flux under the predefined standard operation conditions of all third light sources of the plurality of groups; and
a controller configured to generate a first control signal for controlling the first light sources, a second control signal for controlling the second light sources and a third control signal for controlling the third light sources, the first control signal, the second control signal and the third control signal control an amount of light to be emitted by said first light sources, said second light sources and said third light sources, respectively,
the controller further configured to generate said respective control signals to obtain, in use, a combined light emission comprising the first light, the second light and the greenish light, the combined light emission having a controllable color point close to the black body line.

US Pat. No. 10,448,485

SYSTEM AND METHOD OF AUTONOMOUS RESTORE POINT CREATION AND RESTORATION FOR LUMINAIRE CONTROLLERS

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1. A method for managing environmental conditions comprising:detecting a change in occupancy status in a zone based on a sensor input;
initiating a time period in response to the detecting;
monitoring the occupancy status during the time period; and
if the occupancy status is altered during said time period, terminating said time period and maintaining first environmental conditions, and
if the occupancy status is maintained for an entirety of the time period, altering the first environmental conditions to form second environmental conditions,
wherein the occupancy status is a first occupancy status, the zone is a first zone and the sensor input is a first sensor input, and wherein the method further comprises:
prior to said detecting, detecting a change in second occupancy status in a second zone, which is larger than said first zone and includes said first zone, based on a second sensor input;
in response to detecting the change in said second occupancy status, altering an output of at least one device to implement the first environmental conditions.

US Pat. No. 10,448,487

DRIVER MODULE FOR POWERING A LIGHT SOURCE AND A FURTHER MODULE

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1. A light fixture comprising a light source, a driver module and a sensor module, the driver module comprising:a driver arranged for powering the light source,
a driver module enclosure, at least partially encapsulating the driver, having at least one ingress protecting surface area and arranged for providing ingress protection for at least the driver,
a power input terminal, electrically coupled to the driver, arranged for receiving an input power from the light fixture, a power output terminal, electrically coupled to the driver, arranged for providing a first output power to the light source through conductive power transfer,
a wireless power transmitter circuit arranged for wirelessly transferring a second output power through a part of the ingress protecting surface area to the sensor module, thereby providing operating power to the sensor module;
an intra-module communications circuit, arranged for wirelessly transmitting data between the driver and the sensor module;
a communications module, the communications module including,
a module-to-device communications circuit, arranged for communicating with a device external to the light fixture,
a communications module enclosure, at least partially encapsulating the module-to-device communications circuit, having at least one ingress protecting surface area and arranged for providing ingress protection for at least the module-to-device communications circuit,
a wireless power receiver circuit, electrically coupled to the module-to-device communications circuit, arranged for wirelessly receiving power from the driver module; and
a first communications module intra module communications circuit, arranged for wirelessly transmitting data between the communications module and the driver module;
a communications module wireless power transmitter circuit arranged for wirelessly transmitting an output power through the surface area of the communications module enclosure to a sensor module; and
a second communications module intramodule communications circuit, arranged for transmitting data between the module-to-device communications circuit and the sensor module.

US Pat. No. 10,448,488

LIGHTING CONTROL MODULE, A LIGHTING SYSTEM USING THE SAME AND A METHOD OF SETTING A DIMMING LEVEL

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1. A lighting control module, comprising:an interface for receiving a dimming setting;
a memory for storing the dimming setting;
an output circuit for generating a dimming control signal for application to an external dimming interface of a lighting driver circuit based on the dimming setting stored in the memory and a measured ambient light level; and
a power supply circuit for powering the output circuit based on power received from the external dimming interface of the lighting driver circuit, wherein the dimming setting is for processing an externally input dimming setting to rescale a dimming function in response to said measured ambient light level requiring a voltage input to said lighting driver circuit that is below a minimum voltage, of said dimming control signal, producible by said output circuit.

US Pat. No. 10,430,528

METHOD AND SYSTEM FOR MANAGING SPACE CONFIGURATIONS

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1. A system for managing sensors in a space configuration, comprising:a plurality of sensors incorporated into a space, at least one of the plurality of sensors providing a plurality of sensor pixel information of the space;
a processor:
receiving a plurality of sensor pixel information from respective selected ones of the plurality of sensors,
associating one or more of the sensor pixel information with a corresponding subspace of a plurality of subspaces of the space;
establishing a current configuration of the space associated with the corresponding subspaces, by mapping the received sensor pixel information associated with the corresponding subspace from the selected ones of plurality of sensors;
determining a center of gravity of motion within the space, using the plurality of sensor pixel information of the plurality of subspaces over a predetermined period of time, of the current configuration;
comparing the center of gravity of motion of the current configuration of the space with a center of gravity of motion within the space of a previous configuration of the space over a previous predetermined period of time;
determining whether a configuration change from the previous configuration of the space has occurred; and
adjusting a field of view of at least one of the selected ones of the plurality of sensors based on the configuration change.

US Pat. No. 10,422,942

LUMINESCENCE CONCENTRATOR

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1. A lighting device comprising:a luminescent concentrator, the luminescent concentrator comprising a waveguide having a radiation input face, a radiation exit face, and a width (W) being defined by the radiation input face and an opposite face, the waveguide comprising a radiation converter element distributed in the waveguide with a radiation converter concentration, wherein the waveguide comprises a single crystal;
a solid state light source configured to irradiate the radiation input face of the waveguide with solid state light source radiation;
wherein the radiation converter element is configured to absorb at least part of the light source radiation and to convert into radiation converter element radiation, and
wherein a concentration of the radiation converter element within the waveguide is selected to be at least three times of that necessary for the radiation converter element to absorb 98% of the light source radiation over the width (W) of the waveguide.

US Pat. No. 10,443,795

FLEXIBLE SOLID STATE LIGHTING STRIP

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1. A flexible solid state lighting strip, comprising:an elongate circuit board having a longitudinal axis, wherein the elongate circuit board is bent, about folding lines parallel to the longitudinal axis of the elongate circuit board, into sections, such that subsequent sections along the longitudinal axis are oriented at least 45 degrees apart; and
at least one solid state light source mounted on the elongate circuit board, and
wherein at least some of said sections of the elongate circuit board each has the shape of an isosceles trapezoid.

US Pat. No. 10,443,813

LENS WITH SLITS

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1. A lens comprising a centrally extending axis (A) being perpendicular to a lens axis (L) of the lens, the lens being adapted for refracting light rays from a light source positioned off-axis with respect to the centrally extending axis,the lens comprising a first plurality of slits extending entirely in an interior of the lens and comprising a length (l) extending perpendicular to the centrally extending axis, a width (w) extending parallel to the centrally extending axis and a thickness (t) extending perpendicular to both the length and the width, the first plurality of slits being mutually parallel and covering between 40% and 60% of a plane in which both the centrally extending axis (A) and the length (l) and width (w) of the first plurality of slits extend.

US Pat. No. 10,447,147

DC/DC RESONANT CONVERTERS AND POWER FACTOR CORRECTION USING RESONANT CONVERTERS, AND CORRESPONDING CONTROL METHODS

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1. An AC/DC PFC converter, comprising:an AC input;
a rectifier;
a half bridge inverter comprising a first switch and a second switch, wherein an output is defined from a node between the first and second switches;
a self-oscillating LLC circuit coupled to the output, the self-oscillating LLC circuit being arranged to provide an electrical feedback parameter; and
a control circuit for generating a gate drive signal for controlling switching of the first and second switches in dependence on the electrical feedback parameter, wherein a high gate drive signal turns on the first switch and turns off the second switch and a low gate drive signal turns off the first switch and turns on the second switch,
wherein the control circuit is for determining a first time duration corresponding to an on-time of the first switch and for determining a second time duration corresponding to an on-time of the second switch, the duty cycle of the second switch having a defined value,
and wherein the control circuit further comprises an integrator for:
integrating a first constant value until the control circuit detects that the electrical feedback parameter reaches a threshold value defining the first time duration;
subsequently integrating a second constant value of opposite sign to the first constant value defining the second time duration;
wherein the first and second constant values are derived from the gate drive signal;
wherein the integrator has a reference input set to a fixed voltage within a range of the gate drive signal; and
wherein the integrator has the reference input set to a mid-point of the gate drive signal.

US Pat. No. 10,447,148

DC/DC RESONANT CONVERTERS AND POWER FACTOR CORRECTION USING RESONANT CONVERTERS, AND CORRESPONDING CONTROL METHODS

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1. An AC/DC PFC converter, comprising:an AC input for providing an input voltage and an input current to an input of a rectifier, wherein the rectifier is arranged for rectifying the input voltage to obtain a rectified input voltage;
a half bridge inverter for receiving the rectified input voltage and comprising a first switch and a second switch, wherein a first output is defined from a node between the first and second switches;
an LLC circuit coupled to the first output and having a second output for supplying a converter output voltage and current, wherein a voltage across a capacitor of the LLC circuit is provided as an electrical feedback parameter, wherein the electrical feedback parameter is representative of the input current, wherein the capacitor is arranged for acting as a resonance capacitor; and
a control circuit for generating a gate drive signal for controlling the switching of the first switch and the second switch in dependence on the electrical feedback parameter, wherein a high gate drive signal turns on one switch of the first and seconds switches and turns off another switch of the first and seconds switches and a low gate drive signal turns off the one switch and turns on the other switch,
a correction unit for modifying a relationship between the threshold level for the electrical feedback parameter and the rectified input voltage to the circuit,
wherein the control circuit comprises an outer control loop for setting a threshold level for the electrical feedback parameter proportional to the converter output voltage or current and the rectified input voltage without measurement of the input current, and an inner control loop for comparing the electrical feedback parameter with the threshold level to derive the gate drive signal and to provide power factor correction,
wherein the correction unit is for
modifying the threshold level for the electrical feedback parameter in dependence on the rectified input voltage before the threshold level is compared with the electrical feedback parameter;
modifying the rectified input voltage before supplying it to the outer control loop; or
modifying a measured electrical feedback parameter before comparing it with the threshold level.

US Pat. No. 10,444,334

CONTROLLING TRANSMISSION OF PULSES FROM A SENSOR

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1. Apparatus for use in one of a system of sensors each having a respective receiver which receives echoed instances of pulses; the apparatus comprising:sensing logic configured to sense a being or object in dependence on the echoed pulses received by the respective receiver from a transmitter; and
receive processing logic configured to exclude, from said sensing, instances of pulses estimated to be received from a source other than said transmitter, being excluded based on one or both of: (a) having a signal power that is low relative to a threshold, and/or (b) being received with a direction of arrival falling outside of a range of directions.

US Pat. No. 10,441,809

TUNABLE WHITE LIGHT SOURCE WITH VARIABLE UV COMPONENT

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1. A lighting system comprising a first light source, a second light source and a control system configured to control the first light source and the second light source, wherein:the first light source is configured to provide first light source light comprising:
a UV component; and
a blue component or a blue component and a yellow component;
the second light source is configured to provide white second light source light having a second light source light correlated color temperature;
the lighting system is configured to provide lighting system light comprising one or more of said first light source light and said second light source light, wherein the lighting system light has a controllable correlated color temperature and a relatively increased UV content with an increased correlated color temperature,
wherein the first light source comprises a UV light source configured to provide UV first light source radiation in a wavelength range of 200-380 nm and a luminescent material configured to convert part of the UV first light source radiation into blue luminescent material light, and wherein the first light source light comprises said blue luminescent material light and said UV first light source radiation, or
wherein the first light source comprises a UV light source configured to provide UV first light source radiation in the wavelength range of 200-380 nm and a luminescent material configured to convert part of the UV first light source radiation into blue luminescent material light and configured to convert part of the UV first light source radiation and/or the blue luminescent material light into yellow luminescent material light, and wherein the first light source light comprises said blue luminescent material light, said yellow luminescent material light and said UV first light source radiation.

US Pat. No. 10,448,006

PEOPLE SENSING SYSTEM

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1. A method of testing a sensor unit comprising an image sensor and a local processing module, wherein the local processing module is configured to detect, locally at the sensor unit, whether a person appears in images captured by the image sensor; the method comprising:causing a light-emitting device, external to the sensor unit, to emit a test pattern toward the image sensor of the sensor unit so as to cover at least a substantial portion of the field of view of the image sensor, to be captured over a series of the images captured by the image sensor, the test pattern comprising a spatio-temporal pattern of light simulating presence of a predetermined number of people appearing in view of the image sensor over time, wherein said predetermined number is more than one;
at a processing apparatus external to the sensor unit, receiving one or more presence detection reports from the sensor unit indicating an apparent people count detected using the sensor unit, the apparent people count being a number people detected by the local processing module based on the captured images of the test pattern; and
reporting the apparent people count to a testing function, wherein testing function compares the apparent people count with the predetermined number of people simulated by the test pattern, and, based on said comparison, determining whether the sensor unit is functioning correctly.

US Pat. No. 10,447,497

LIGHTING NETWORK

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1. A wireless lighting device comprising:a first radio transceiver for connection to at least one other lighting device via a first wireless network;
a second radio transceiver for connection to a network device via a second wireless network;
a memory storing network credential information, the stored network credential information indicating a MAC address assigned for use by the second radio transceiver for communication with the network device via the second wireless network; and
a hardware processor configured to:
detect that the wireless lighting device is to operate as a bridge between the first and second wireless networks, instead of a further lighting device, of said at least one other lighting device, that has been operating as the bridge between the first and second wireless networks, to allow data to be exchanged between the wireless lighting device and the network device;
obtain a MAC address associated with the further lighting device that has been established for use by the further lighting device to communicate with the second wireless network; and
modify the network credential information stored in the memory such that the MAC address associated with the further lighting device is assigned for use by the second radio transceiver for communication with the network device via the second wireless network, thereby configuring the wireless lighting device to operate as the bridge between the first and second wireless networks to allow data to be exchanged between the at least one other lighting device and the network device via the wireless lighting device operating as the bridge.

US Pat. No. 10,434,280

BIO HUE LAMP

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1. A lighting apparatus configured to provide white light with a variable correlated color temperature, wherein the lighting apparatus comprises:a first light source configured to provide first light source light, wherein the first light source light comprises blue light having a first light source dominant wavelength selected from the range of 400-460 nm, wherein the first light source is configured to irradiate a first luminescent material with said first light source light, wherein the first luminescent material is configured to convert part of the first light source light into first luminescent material light, wherein the first luminescent material light comprises one or more of green and yellow light, and wherein the first luminescent material light has a first luminescent material dominant wavelength;
a second light source configured to provide second light source light, wherein the second light source light comprises blue light having a second light source dominant wavelength selected from the range of 450-490 nm, wherein the second light source is configured to irradiate a second luminescent material with second light source light, and wherein the second luminescent material is configured to convert part of the second light source light into second luminescent material light, wherein the second luminescent material light comprises one or more of green and yellow light, and wherein the second luminescent material light has a second luminescent material dominant wavelength;
a third light source configured to provide red light source light;
a control unit, configured to independently control the first light source, the second light source and the third light source, to provide said white light having a variable correlated color temperature, wherein said white light comprises one or more of said first light source light, said first luminescent material light, and said red light source light and, and said second light source light, said second luminescent material light, and said red light source light;
wherein the second light source dominant wavelength is greater than the first light source dominant wavelength, and wherein the first luminescent material dominant wavelength is greater than the second luminescent material dominant wavelength.

US Pat. No. 10,439,718

EFFICIENT ADDRESS ASSIGNMENT IN CODED LIGHTING POSITIONING SYSTEMS

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1. A coded lighting positioning system comprising a plurality of light sources, each of the plurality of light sources comprising:an emitter for emitting coded light comprising an initial light source identifier of the respective light source; and
a receiver for receiving, from a remote controller, information to assign a modified light source identifier to the respective light source the modified light source identifier being a locally unique identifier used to provide positional information and composed of less data than the initial light source identifier,
the emitter further arranged for emitting coded light comprising said modified light source identifier of the respective light source.

US Pat. No. 10,436,391

LIGHTING DEVICE, LUMINAIRE AND MANUFACTURING METHOD

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1. A lighting device comprising a transmissive body housing a luminous arrangement, and a fitting cooperating with the transmissive housing, said luminous arrangement comprising a single piece flexible carrier mounted on a support structure, wherein the support structure is mounted inside the fitting to form a support assembly; the flexible carrier comprising:a first tubular end portion enveloping a first region of the support structure;
a second tubular end portion enveloping a second region of the support structure, the first region being spatially separated from the second region axially; and
a plurality of strip-shaped portions formed by a plurality of incisions in a central section of the flexible carrier, the strip-shaped portions axially extending from the first tubular end portion to the second tubular end portion, each of said strip-shaped portions carrying a plurality of solid state lighting elements;
wherein the central section is mounted on the support structure in a rolled state and has a parallelogram shape in an unrolled state, and the incisions extend in parallel with a side edge of the parallelogram shape such that each of the strip-shaped portions spirals from the first tubular end portion to the second tubular end portion when the flexible carrier is in the rolled state; and
wherein the support assembly comprises a sub-assembly configured to exert an axial force that biases the first tubular end portion and the second tubular end portion axially together, such that the strip-shaped portions are forced to radially extend between the first tubular end portion and the second tubular end portion, after or during mounting the support assembly into the transmissive housing.

US Pat. No. 10,436,393

LIGHTING DEVICE AND LUMINAIRE COMPRISING THE SAME

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1. A lighting device comprising:a mounting surface;
a lens comprising a lens body having an inner surface encapsulating a cavity and delimiting an entrance to said cavity, said entrance facing the mounting surface, the inner surface comprising a plurality of adjoining surface sections each defining a segment of the cavity, wherein each segment has a narrowing region distal to the entrance delimited by a curved portion of the surface section delimiting said segment; and
an elongate carrier extending from the mounting surface into the cavity segments through the cavity entrance and comprising a plurality of solid state lighting elements configured to emit light towards the lens body;
wherein the cavity comprises an elongate cross-section parallel to the cavity entrance.

US Pat. No. 10,436,399

LIGHT EMITTING TUFTED CARPET

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1. A light emitting tufted carpet comprising:a primary backing layer provided with tufts;
a plurality of LEDs integrated among the tufts in the primary backing layer of the light emitting carpet and arranged to generate carpet light;
a first electric conductor and a second electric conductor arranged to provide power from a power source to the LEDs, with one or more of: the first electric conductor, and the second electric conductor at least partially integrated within the primary backing layer; and
wherein the carpet comprises a secondary backing layer positioned below the primary backing layer and both the primary backing layer and secondary backing layers are at least partially permeable by light and the plurality of the LEDs are positioned at a bottom surface of the secondary backing layer.

US Pat. No. 10,437,030

COLLIMATOR AND COLLIMATOR ARRANGEMENT

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1. A collimator arrangement comprising a plurality of collimators, each collimator having in a respective exit window a circular general outer shape with one or more cut-outs into the circular general outer shape, wherein each cut-out comprises a pair of edges which meet at an internal angle and each cut-out defines a pair of external angles where the cut-out meets the general outer shape, wherein each respective collimator is interlocked with at least one adjacent collimator to form a tessellation with the internal angle of one of the one or more cut-outs of the respective collimator being interlocked with one of the exterior angles of the at least one adjacent collimator.

US Pat. No. 10,439,110

MEAT LIGHTING SYSTEM WITH IMPROVED EFFICIENCY AND RED OVERSATURATION

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1. A lighting system, configured to provide lighting system light, the lighting system comprising:a light source configured to provide light source light with light intensity in the blue spectral region;
a first luminescent material configured to convert at least part of the light source light into first luminescent material light with light intensity in the green spectral region and having a full width half maximum of at least 90 nm;
a second luminescent material configured to convert (i) at least part of the light source light, or (ii) at least part of the light source light and at least part of the first luminescent material light into second luminescent material light with light intensity in the spectral region of 610-680 nm, wherein the second luminescent material under excitation with at least part of the light source light, or at least part of the light source light and at least part of the first luminescent material light shows one or more emission lines having a full width half maximum (FWHM) at RT of 40 nm or less;
wherein the lighting system is configured to provide at a first setting of the lighting system lighting system light comprising said light source light, said first luminescent material light and said second luminescent material light having a color point (x;y) with x=0.38±0.1 and with y=0.3±0.1; and
wherein the first luminescent material under excitation with at least part of the light source light, or at least part of the light source light and at least part of the first luminescent material light has at least 65% of the total power in the visible wavelength range of the first luminescent material light in the range of 480-580 nm.