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Matches 201 - 250 out of 2,635

Document Document Title
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...  
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...  
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...  
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...  
WO/2009/105219A3
A load control device for controlling the amount of power delivered from an AC power source to an electrical load comprises a rotary actuator, such as a rotary knob or a rotary wheel. The load control device increases and decreases the a...  
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 ...  
WO/2009/099522A3
Methods and apparatus for dimming light sources are described herein. In certain embodiments, a bias circuit selectively biases a solid state switch during a portion of half-cycle of a line voltage after a settable delay. In some embodim...  
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...  
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 ...  
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...  
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)...  
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...  
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)...  
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...  
WO/2009/098625A3
The application relates to setting color point and light intensity.Bycontrolling the phase aswell as the amplitudes of a driving voltage for a lighting device, the color point as well as the light intensity of a lighting device may be set.  
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 (...  
WO/2009/117679A2
Technologies are described herein for a conductive magnetic coupling system. The system includes a signal supply component that provides electrical and/or data signals to a signal consumption component that utilizes the signal to provide...  
WO/2009/085139A3
A power supply for a load control device generates a DC voltage and provides an asymmetrical output current, while drawing a substantially symmetrical input current. The power supply comprises a controllably conductive switching circuit ...  
WO/2009/107057A1
The present invention discloses a dimming circuit for a lamp, and the dimming circuit comprises a self-oscillating circuit and a start-up trigger circuit. The start-up trigger circuit comprises an integral charging circuit with adjustabl...  
WO/2009/105219A2
A load control device for controlling the amount of power delivered from an AC power source to an electrical load comprises a rotary actuator, such as a rotary knob or a rotary wheel. The load control device increases and decreases the a...  
WO/2009/098625A2
The application relates to setting color point and light intensity.Bycontrolling the phase aswell as the amplitudes of a driving voltage for a lighting device, the color point as well as the light intensity of a lighting device may be set.  
WO/2009/096910A1
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 ...  
WO/2009/085139A2
A power supply for a load control device generates a DC voltage and provides an asymmetrical output current, while drawing a substantially symmetrical input current. The power supply comprises a controllably conductive switching circuit ...  
WO/2009/083025A1
The invention relates to a device for controlling at least one electric consumer, having at least one pushbutton, a controlled switch connected between the consumer and a power supply, and a communication interface for communicating with...  
WO/2008/102378A3
The subject matter described herein is directed towards systems and methods for controlling constant load lamps in the electrical system of two or three wheeled vehicles. The constant load lamps can be controlled by controlling duty cycl...  
WO/2009/062333A1
An ultrasonic sensing device connecting with an adjustable born structure includes a gearing device (42), a horn structure (31,41, 51) and a ultrasonic transceiver (32,44). The horn structure (31,41, 51) is spiral connected to the gearin...  
WO/2009/062335A1
A method for controlling a lighting system in which an ultrasonic transceiver detector (141) is provided, comprises the following steps: calculating the distance (Rl) from an object (150) which is detected by the ultrasonic transceiver d...  
WO/2009/059462A1
A lighting system comprises a lamp arranged to transform electricity into a light beam having properties such as intensity, color, color temperature, direction and beam cone angle; a light control means (13) arranged to adjust the light ...  
WO/2006/033966A3
An energy savings device for an inductive, a resistive or a capacitive load, such as a fluorescent light fixture having a magnetic ballast or an electronic ballast, which is powered by an Ac voltage waveform. The energy savings device in...  
WO/2009/059464A1
A lighting system comprises a lamp arranged to transform electricity into a light beam having properties such as intensity, color, color temperature, direction and beam cone angle; a light control means (13) arranged to adjust the light ...  
WO/2006/109313A3
A method for employing an electronic ballast (10). A distributor/customer is provided with the electronic ballast (10). An operative parameter of the electronic ballast (10) is configurable to operate a type of gas discharge lamp. The di...  
WO/2009/053965A1
A hand held, home use, device for treatment of skin, comprising: a housing exhibiting an opening therein and forming an air cavity when the opening is placed in contact with the skin; an incandescent type bulb secured within the housing ...  
WO/2009/023146A3
A gate drive circuit for a controllably conductive device, such as a triac, includes a trigger circuit for conducting a gate current through a control input of the controllably conductive device, and a sense circuit operable to generate ...  
WO/2007/022078A3
An autoilluminating rechargeable lamp system includes a set of one or more self-standing rechargeable lighting fixtures (luminaries) removably supported on a recharging and support member. The luminaries each include a light diffusor tha...  
WO/2009/052654A1
A lighting system comprising a lamp arranged to transform electricity into a light beam having properties such as intensity, colour, colour temperature, direction and beam cone angle; a light control means arranged to adjust said light b...  
WO/2009/050124A1
The invention relates to a variable control device (10) connected in series with an electrical load (12) to be controlled on one phase of an AC electrical circuit. The control device (10) comprises: two power switches (J1, J2), of the no...  
WO/2009/044025A1
The invention relates to a method for controlling the mean dissipated power for a lamp in a motor vehicle, comprising a step during which a signal for pulse width (PWM) is modulated with a cyclic relationship (β) to control the means in...  
WO/2006/020854A3
A high frequency ballast power supply (20) for a high intensity discharge lamp (22)includes a variable frequency voltage generating circuit for producing a regulated cyclical voltage. After ignition of the lamp, the variable frequency vo...  
WO/2009/023146A2
A gate drive circuit for a controllably conductive device, such as a triac, includes a trigger circuit for conducting a gate current through a control input of the controllably conductive device, and a sense circuit operable to generate ...  
WO/2008/061936A3
The invention relates to an electric lamp comprising a light bulb (2) on which a sensory mechanism (7) is disposed that is designed to detect operating parameters of the lamp (1).  
WO/2009/005799A1
A gas sensor, such as a photoacoustic gas sensor, includes a light source (5), a power source (80) in operative connection with the light source (20) and a control system (70) in operative connection with the light source (20) and the po...  
WO/2008/156991A1
A lighting control circuit for dimming a light is provided with different algorithms that are utilized to dim fluorescent and incandescent lights. Some method of identifying the type of light which is to be dimmed, reports to a control f...  
WO/2008/153556A2
A lighting device includes a touch switch with touch contacts 304, 306, located on the grip of the lighting device is that the light 312 can be turned on when the contacts are bridged by the hand of a user. An electronic circuit 300 incl...  
WO/2008/059421A3
The invention relates to a halogen lamp, for bend-lighting or cornering light, of a motor vehicle main headlamp System. The maximum coil temperature is above 3000°C and the switching-off of the lamp at a coil temperature of approx. 3000...  
WO/2008/112360A3
A dimming circuit includes an isolated DC voltage source that is selectively coupled to a switch through which power is supplied from a source to a load. In a disclosed example, the switch comprises two MOSFETs. The isolated DC voltage s...  
WO/2007/134300A3
An apparatus includes integrated review, material removal and material deposition functions. The apparatus performs the review, material removal and material deposition operations along the same optical axis. The apparatus includes, in p...  
WO/2008/104902A3
A plurality of loads (12) such as lamps receives power through respective switches. A control circuit (16) controls the switches (14). The control circuit controls energy supplied to the loads (12) by causing the switches (14) to switch ...  
WO/2008/124225A1
A lighting control circuit includes a dimmer circuit which is provided for an electrical outlet. An inductive load detection circuit is provided for identifying the presence of an inductive load in the electrical outlet. When an inductiv...  
WO/2008/119157A1
A system for dimming one or more light sources (10, 100, 200, 300) includes a first light source (12, 102, 202, 302) that emits a light of a first brightness (L1) according to an operating condition of the first light source (12, 102, 20...  
WO/2008/112360A2
A dimming circuit includes an isolated DC voltage source that is selectively coupled to a switch through which power is supplied from a source to a load. In a disclosed example, the switch comprises two MOSFETs. The isolated DC voltage s...  

Matches 201 - 250 out of 2,635