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Patent Searching and Data


Matches 51 - 100 out of 2,638

Document Document Title
WO/2017/046015A1
The invention relates to a method for managing the power dissipated by an electroluminescent light source comprising sub-millimetre electroluminescent bars projecting from a substrate and divided into a plurality of identical groups. Usi...  
WO/2017/041011A2
A load control device for controlling power delivered from an AC power source to an electrical load may comprise a thyristor, a gate current path, and a control circuit. The control circuit may be configured to control the gate current p...  
WO/2017/040495A1
An analog AC circuit for light emitting diode (LED) groups that provides continuously emitted light through a dimming process from 100% relative light output to 5% of relative light output. The analog AC circuit utilizes ancillary circui...  
WO/2017/004427A1
According to one aspect, a control system for an LED luminaire includes a dimming control circuit that develops an analog dimming command signal that is variable between zero volts and ten volts to command LED brightness. The control sys...  
WO/2016/201540A1
A digital touch recognition device for actuating and controlling circuits in general comprises a device (1) formed by four stacked components, namely a support (2) that makes it possible to fasten the device to panels, pieces of furnitur...  
WO/2016/122771A8
Networked intelligent lighting devices may utilize visual light communication to perform autonomous neighbor discovery, for example, as part of a map generation process. Individually, each intelligent lighting device within an installati...  
WO/2016/168867A9
Apparatus and associated methods relate to a diversion driver module that dynamically adds a diversion current to an LED current so that the summed current maintains a predetermined minimum holding current requirement of a phase-controll...  
WO/2016/185427A1
A method and a system for measuring ambient light, including detecting power transition of electric power powering a LED light source, where the power transition comprises at least one power transition from OFF to ON and at least one pow...  
WO/2016/179656A1
The present invention relates to a building. The building includes a distributed power supply and a lighting system for being powered by the distributed power supply. The system includes distributed lights for being coupled to the distri...  
WO/2016/179018A1
This disclosure relates to systems and methods for controlling electrical loads in one or more areas. The system includes a room controller having a microprocessor for accessing data and providing commands, memory for storing information...  
WO/2016/178727A1
A linear light-emitting diode (LED)-based solid-state universal lamp using an all- in-one LED driving circuit with a power factor correction (PFC) and control device operates normally for a regulated power and current from either electro...  
WO/2016/178832A1
A lighting device includes a housing that defines an opening, and light board moveably positioned in the housing adjacent the opening. The light board has a plurality of light modules operable to provide a light output through the openin...  
WO/2016/168867A1
Apparatus and associated methods relate to a diversion driver module that dynamically adds a diversion current to an LED current so that the summed current maintains a predetermined minimum holding current requirement of a phase-controll...  
WO/2016/164928A1
An LED lighting device having a first LED circuit having at least one LED and at least a first switch connected in series with the first LED circuit and a second LED circuit having at least one LED and at least a second switch connected ...  
WO/2016/142230A1
A calibration method comprising, for each of one or more light sensors: (a) under influence of one or more substantially non-zero illumination levels in the target environment, using the light sensor to measure the sensed light level cor...  
WO/2016/132385A1
The present invention describes a method and a device (200) for controlling operation in a dimmer circuit. The device (200) is configured to: procuring at least two dimmer levels and receiving a reference point detected within a first ty...  
WO/2016/122771A1
Networked intelligent lighting devices may utilize visual light communication to perform autonomous neighbor discovery, for example, as part of a map generatipn process. Individually, each intelligent lighting device within an installati...  
WO/2016/114954A1
A driver circuit for powering a load is disclosed. The driver circuit includes an input for receiving for connection to a source of AC power, and a rectifier for converting the AC power from the input into DC power. The driver circuit al...  
WO/2015/089546A3
A phase cutting control dimmer arrangement adapted to minimise electro-magnetic interference noise including a gate drive with an electrical input path to the connected gates of back-to-back FETs or IGBTs including a first resistor, a se...  
WO/2016/093767A1
The present invention generally relates to a driving circuitry for a lighting arrangement comprising at least one light emitting diode (LED). The invention also relates to a lighting arrangement comprising such a driving circuitry.  
WO/2016/073484A1
A power control system includes a power reduction module operable to reduce power to a connected load, a switching module operable to selectively transfer power directly to the load or to the power reduction module, a frequency module co...  
WO/2016/046814A3
A method and apparatus for switching AC power to a lamp (or other load) via a two terminal switch device. The switch device comprises a first electrically controlled switch, such as a triac or relay, and a second electrically controlled ...  
WO/2015/157783A3
The invention refers to an electronic circuit means for improving a power factor of a load in response to a dimmer, in particular during dimming of a lamp with a variable phase cut dimmer. The electronic circuit means comprises network, ...  
WO/2016/044878A1
A phase cutting control dimmer arrangement with a surge voltage and electrical fast transient (EFT) protection including a load control arrangement having back- to-back field effect transistors (FETs) or insulated gate bipolar transistor...  
WO/2016/040933A1
A lighting control device is provided which includes a microcontroller, at least one wireless transceiver, at least one dimmer, one or more lighting terminals powered by the at least one dimmer, at least one environmental sensor, and at ...  
WO/2016/037213A1
An OFF/ON operating state, brightness adjustment and pre-settable brightness level programmable mode control arrangement of a phase cutting control dimmer including a rotary encoder having a shaft user operably rotatable and axially mova...  
WO/2016/023754A1
A light system for a stadium, the light system comprising: at least one sensor configured to determine light intensity values for multiple locations within the stadium; at least one electronically controllable luminaire configured to gen...  
WO/2015/194953A1
A control device for an electrical load comprises a thyristor-switched dimmer circuit (D), which dimmer circuit comprises a thyristor between a feed line (Vline) and the load (LED) in order to generate an adjustable power output to the l...  
WO/2015/160680A3
Circuits to provide phase-cut analog dimming of solid state light sources are presented. Each circuit comprises an anchoring circuit to communicate with a dimming controller circuit, the anchoring circuit having a proportional direct cur...  
WO/2015/116489A4
In accordance with embodiments of the present disclosure, a method and apparatus may include receiving an input waveform from a dimmer, wherein the input waveform is periodic at a first frequency. The method and apparatus may also includ...  
WO/2015/177039A1
A lighting device comprising a dimmable light source (2), a driver unit (3) for the light source, a light sensor unit (4), and a controller (6), wherein the lighting device is arranged to perform an automatic calibration sequence. The co...  
WO/2015/176112A1
A zero-crossing detection circuit for a trailing edge phase control dimmer circuit for controlling alternating current (AC) power to a load, wherein the circuit includes: a switching circuit for controlling delivery of AC power to the lo...  
WO/2015/160680A2
Circuits to provide phase-cut analog dimming of solid state light sources are presented. Each circuit comprises an anchoring circuit to communicate with a dimming controller circuit, the anchoring circuit having a proportional direct cur...  
WO/2015/161091A1
A controller may predict an estimated occurrence of a high-resistance state of a dimmer, wherein the high-resistance state occurs when the dimmer begins phase-cutting an alternating current voltage signal. The controller may also be conf...  
WO/2015/145959A1
A switch device includes a touch sensor (20) and a control unit (5). The touch sensor (20) includes first to third detecting regions (203, 204, 205). The control unit (5) increases light output of a lighting load when the touch sensor (2...  
WO/2015/145957A1
A switch device includes a switch body (1) and an operating unit (2). The switch body (1) includes a control unit (5), a setting unit (52) including at least one switch (520, 521), and a case (10) that is shaped like a box and houses the...  
WO/2015/145958A1
A switch device includes a first operating switch (201A, 201B) that outputs a first operation signal; a second operating switch (202A, 202B) that outputs a second operation signal; a signal transmitting unit (55); a control unit (5), and...  
WO/2015/116489A3
In accordance with embodiments of the present disclosure, a method and apparatus may include receiving an input waveform from a dimmer, wherein the input waveform is periodic at a first frequency. The method and apparatus may also includ...  
WO/2015/134223A1
An apparatus may include a dimmer output voltage emulator for causing a power converter interface circuit to draw current from a capacitor in the power converter interface during a period of time when a dimmer coupled to the power conver...  
WO/2015/107275A1
The invention relates to a transmission for a motor vehicle with hybrid propulsion comprising a heat engine (2) and an electric motor (3), including two concentric primary shafts (7, 8) respectively connected to the heat engine (2) and t...  
WO/2015/089546A2
A phase cutting control dimmer arrangement adapted to minimise electro-magnetic interference noise including a gate drive with an electrical input path to the connected gates of back-to-back FETs or IGBTs including a first resistor, a se...  
WO/2015/081367A1
A method for controlling dimming of a two-wire trailing edge dimmer arrangement to minimise the effects of ripple injection or superimposing of supply authority ripple control signals upon AC voltage mains supply received by the two-wire...  
WO/2015/051384A1
A universal AC-line input light emitting diode (LED) drive that automatically transitions to the most favorable configuration of the LEDs based on the particular range of line voltage input applied.  
WO/2015/038595A1
The present disclosure provides a system and method for controlling spot lights, such as theater or display lights (210, 212, 214, 216, 218), which incorporates a handheld remote control device (222) that uses intuitive motions for selec...  
WO/2015/013006A1
A driver circuit for a lighting apparatus includes a current regulator configured to supply a load current to a load, and a control circuit coupled to the current regulator and configured to receive a dimming control signal and to linear...  
WO/2014/195385A1
Apparatuses for controlling light modules (5) comprise first circuits (1) for detecting first control information transported via first signals and second circuits (2) for converting first control information into second control informat...  
WO/2014/187724A1
Control circuits (1) for controlling non-self-exciting converters (100) are provided with network circuits (11-16) for deriving control signals destined for the converters (100) for starting the converters (100) after zero-crossings of f...  
WO/2014/099987A4
A fixture comprising a light sensor and an actuator for assigning the fixture to at least one zone. A fixture comprising a light source, a motion sensor and a light sensor. A fixture comprising a motion sensor, a light sensor and a wirel...  
WO/2014/189617A1
A controller may be configured to: predict based on an electronic transformer secondary signal an estimated occurrence of a high-resistance state of a trailing-edge dimmer coupled to a primary winding of an electronic transformer, the hi...  
WO/2014/183573A1
Disclosed is an ink cartridge chip (31, 34, 37), comprising a substrate, and a communication unit, an electronic module and a light-emitting diode (LED4, LED5, LED6) which is controlled to emit light by the electronic module, which are a...  

Matches 51 - 100 out of 2,638