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WO/2012/128794A1 |
Electronic system (100) including a controller (402), which provides compatibility between an electronic light source (410) and a trailing edge dimmer (404). The controller is capable of predicting an estimated occurrence < a trailing ed...
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WO/2012/096565A1 |
Solar simulator comprising at least at least one high-intensity discharge (HID) lamp type,and at least one halogen lamp type, which lamps are applied simultaneously and are provided with infrared filter means to provide a mixture of ligh...
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WO/2012/084946A2 |
There is proposed an electrical supply generator of the chopped type (300) for low‑voltage semi‑alternating loads intended to be powered by an alternating voltage, the generator comprising a full-wave rectifier block (33) linked acro...
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WO/2012/082284A1 |
A lighting apparatus includes a lighting circuit including at least one light-emitting device, e.g., a string of LEDs, and at least one current sense diode configured to generate a forward voltage responsive to a current passing through ...
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WO/2012/062440A1 |
The invention relates to an electric installation device comprising at least one operating sensor system and a device housing. A load state of a load can be controlled using the installation device, and the installation device can be int...
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WO/2012/057928A1 |
A ballast or drive circuit (120) is located between a dimmer switch (130) and at least one light source or lamp (140). The ballast includes an electromagnetic interference (EMI) filter (150) operatively disposed between the dimmer switch...
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WO/2012/028099A1 |
A three-wire dimmer comprises: a chopper switch (601), a chopper switch control circuit (602), an impedance matching circuit (604) and an impedance matching control circuit (603). The chopper switch control circuit (602) connects the cho...
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WO/2012/016716A1 |
Method for LED dimming control, where a dimmable LED module is connected to a dimmer, where the dimmable LED module contains a bleeding circuit (6), characterized by a pulsed application of a bleeding current, where the pulsed applicatio...
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WO/2012/010477A1 |
The invention relates to a method for dimming luminous elements operated by means of an operating device, in particular a converter for at least one LED and/or OLED. The method comprises the following steps: phase control of a power supp...
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WO/2012/003541A1 |
The Digital Addressable Lighting Interface (DALI) is a lighting control protocol that allows individual control and monitoring of each device in a lighting system (e.g. ballasts, emergency lighting etc), as well as groups of such devices...
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WO/2011/149863A2 |
A dimmer conduction angle detection circuit, and systems and methods incorporating the same, is disclosed. The circuit receives a gate drive signal from a PFC circuit and provides a dimmer reference level signal representative of a dimme...
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WO/2011/139610A2 |
In one embodiment, a system may include an electrical device, an actuator for the electrical device, and an interchangeable frame configured to be removeably attached to the electrical device and to hold the actuator. The frame may be ad...
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WO/2011/139607A2 |
In one embodiment, a system includes an electrical device, a frame adapted to be attached to and removed from the electrical device without removing the electrical device from an installed position, a rocker pivotally attached to the fra...
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WO/2011/134980A2 |
The invention relates to a circuit arrangement for operating LEDs (LED1, LED2, LED3) with a pulsating DC voltage. Said circuit arrangement has a constant power source which prevents the brightness of the LEDs following the pulse form of ...
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WO/2011/128798A1 |
A system and method control an amount of power delivered by a power converter (220) to a solid state lighting load (240). It is determined whether a dimmer (204) is present between a voltage source (201) and the power converter (220) bas...
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WO/2011/106913A1 |
A high spectrum imaging light source system includes a light box (1). The light box (1) is a sealed cuboid, and in the chamber of the box body a linear scanning camera (2), a beam splitting system (3), an electric control translation pla...
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WO/2011/070480A1 |
A driver (32) for a solid state lamp (31) receives phase-cut AV supply voltage (PCACV). The lamp is operated at a dimmed light output (LA) on the basis of the phase angle (φ) of the phase-cut AV supply voltage (PCACV). The driver compri...
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WO/2011/069085A2 |
A light system and method includes a housing having an array of LEDs spaced to transmit light within a field of illumination. An EM sensor disposed within the housing is configured to detect EM radiation within the field of illumination....
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WO/2011/066353A1 |
A two-wire load control device (such as, a dimmer switch) is operable to control the amount of power delivered from an AC power source to an electrical load (such as, a high-efficiency lighting load) and has substantially no minimum load...
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WO/2011/066349A1 |
A two-wire load control device, such as, a dimmer switch, for controlling the amount of power delivered from an AC power source to an electrical load comprise a bidirectional semiconductor switch having first and second anti-series conne...
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WO/2011/061633A1 |
A device for detecting a dimmer phase angle set by operation of a dimmer for a solid state lighting load includes a processor having a digital input, a first diode connected between the digital input and a voltage source and a second dio...
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WO/2011/050421A1 |
The present invention relates to a method and an apparatus for controlling illumination of a light device such as a high power light emitting diode. Electrical power is alternately switched to the HP-LED via an energy storage arrangement...
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WO/2011/051859A1 |
A device controls current drawn by a solid state lighting (SSL) fixture, including a power converter and an SSL load. The device includes a rapid start/bleeder circuit having a selectable low impedance path, configured to be temporarily ...
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WO/2011/042510A2 |
A lighting system for operation with a dimmer circuit (1) comprising a triac (TR1) connected to a load. The load comprises a driver circuit for supplying current to a light source comprising one or more LEDs (LED 1-4), the current being ...
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WO/2011/038392A1 |
The disclosed system includes a metering device for monitoring electrical power grid conditions, a controller for determining if the metering device is detecting a condition on an electrical grid that is indicative of a delayed voltage r...
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WO/2011/028226A2 |
A system and method are provided for mimicking a bioluminescent signal from an animal or an insect, such as a firefly. A first version includes a controller, an electrical energy battery, a solar energy collector and a light emitting dev...
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WO/2010/136954A1 |
This invention relates to a power unit for a lighting system. Said power unit includes a mains power input (2), output terminals (3a, 3b) and a power supply (5) for regulating a supply voltage (V1) of the power unit (1). The power unit f...
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WO/2010/137002A1 |
A circuit for connecting to a dimmer, the circuit configured to receive an input signal from the dimmer. The circuit comprises a first load and a switch. The switch is operable to automatically engage the first load at a predetermined ti...
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WO/2009/096910A9 |
A load control device comprises an actuator for controlling a connected lighting load and a plurality of status indicators for displaying the intensity of the lighting load as feedback to a user. One or more of the status indicators are ...
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WO/2010/128375A2 |
The present invention describes a profiled joint (1) for seating one or more panels (3) on the roof or on the outside walls of a building. Said joint (1) has an upstream portion (10.M) provided with through holes (101) for the fixing to ...
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WO/2010/111250A1 |
A wireless lighting control system comprises a daylight sensor for measuring a light intensity in a space and a dimmer switch for controlling the amount of power delivered to a lighting load in response to the daylight sensor. For exampl...
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WO/2010/111256A2 |
A wireless battery-powered daylight sensor for measuring a total light intensity in a space is operable to transmit wireless signals using a variable transmission rate that is dependent upon the total light intensity in the space. The se...
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WO/2010/072866A1 |
Device for regulating the luminous intensity in fluorescent lamps with an electromagnetic reactance and a starter, and lighting system which comprises said device, which comprises at least one fluorescent lamp comprising a fluorescent tu...
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WO/2010/068420A1 |
A dimmer switch for controlling the amount of power delivered to and thus the intensity of a lighting load comprises a visual display operable to provide a visual indication representative of energy savings and usage information. The vis...
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WO/2010/062156A1 |
The invention relates to an electronic device which is inserted between a socket and an incandescent light bulb and is able to attenuate the power supplied by said incandescent light bulb. The invention also relates to a method for regul...
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WO/2010/045697A1 |
The present invention refers to smart illumination system and method for home appliance comprising a main control (10); a control unit (20) connected to the main control (10); a lamp (40) connected to the control unit (20) through a tria...
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WO/2010/032076A2 |
An electronic transformer for driving a load (L) from a mains signal comprises an ignition capacitor (Cs), an input stage (10) for loading the ignition capacitor (Cs) from the mains signal, and a switching output stage (12) for driving t...
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WO/2010/027493A2 |
A hybrid light source comprises a discrete-spectrum lamp (for example, a fluorescent lamp) and a continuous-spectrum lamp (for example, a halogen lamp). A control circuit individually controls the amount of power delivered to the discret...
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WO/2010/010605A1 |
A lamp lighting circuit capable of eliminating luminance unevenness and suppressing the variation in a lamp life at low cost if a plurality of circuits in which lamps are connected in series are connected in parallel and an electronic de...
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WO/2010/010322A2 |
A light fitting is provided with a first connector piece arranged to support a light and provide power thereto, and an input connected to a power source and arranged to provide a power signal to an output comprising a primary coil. The p...
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WO/2010/006644A1 |
The present invention relates to a circuit arrangement for operating at least one lighting device (La), comprising an input, which has a first (K1-1) and a second input connection (K1-2) for connecting a supply voltage (UN), an output, w...
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WO/2009/143770A1 |
A lighting system can be used for illumination. The lighting system includes a controller and a light link formed by at least two lights connected in series. The said controller includes two signal output channels which are connected to ...
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WO/2009/134871A1 |
A cat-ear power supply is operable to generate a DC voltage and draws current from an AC power source near the beginning and end of a half-cycle of the AC power source. A controllably conductive switching circuit selectively charges an e...
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WO/2009/133489A1 |
An AC line voltage may be encoded with control information, such as dimming information derived from an output signal of a conventional dimmer, so as to provide an encoded AC power signal. One or more lighting units, including LED-based ...
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WO/2009/129581A1 |
An apparatus for driving a voltage source such as a discharge or LED lamp using a power booster receiving an AC voltage source configured through an inductor to turn on and off periodically in response to a duty cycle of a dimming contro...
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WO/2009/124433A1 |
A constant power limiter includes a control circuit and a power source circuit (10) thereof, wherein the control circuit includes: a voltage detecting circuit (11), a current detecting circuit (14), a zero-crossing detecting circuit (12)...
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WO/2009/126791A2 |
An LED light device has a generally spherical body with a a plurality of projections radiating outwardly therefrom, each of said projections having a distal end and at least one of said projections has a magnet at its distal end. The bod...
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WO/2009/121956A1 |
The invention relates to a dimmer triggering circuit (12) for triggering a dimmer in an alternating current network. The dimmer has a voltage-level detector (15), and a bipolar current source circuit (18). The voltage-level detector (15)...
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WO/2009/122232A1 |
A protection device for an electronic converter, e.g. for halogen lamps, includes a comparator (10) powered via a supply voltage (Vcc). The comparator (10) has an output (Vo), non-inverting (14) and inverting (12) inputs sensitive to a f...
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WO/2009/115483A1 |
The invention relates to a method and to a device for operating a circuit arrangement and circuit arrangement having several circuit elements (T1, T2, T3) that are arranged on the output side with at least one predetermined common load (...
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