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. 10,243,756

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. 10,253,930

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. 10,254,521

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. 10,257,893

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. 10,257,900

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. 10,257,902

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. 10,257,907

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. 10,257,911

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. 10,252,022

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. 10,257,935

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. 10,243,689

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.