Patents
Patents for H05B 41 - Circuit arrangements or apparatus for igniting or operating discharge lamps (35,100)
10/2011
10/18/2011US8040074 Discharge-lamp lighting device and luminaire
10/18/2011US8040073 AC power supply system for balanced energization of a plurality of loads
10/18/2011US8040072 Power supply and plasma display including the same
10/18/2011US8040070 Frequency converted dimming signal generation
10/18/2011CA2634106C Point-of-use water treatment system
10/18/2011CA2409380C Ballast device for uv emitter and method and device for disinfection of water
10/13/2011WO2011127145A2 Method of controlling an electrical dimming ballast during low temperature conditions
10/13/2011WO2011127009A2 Method of striking a lamp in an electronic dimming ballast circuit
10/13/2011WO2011124767A1 Transformer arrangement for protecting optoelectronics components
10/13/2011WO2011124310A1 Method for operating an amalgam lamp
10/13/2011WO2011047817A9 Device for controlling a plurality of led strips
10/13/2011US20110248649 Systems and methods for a digital-to-charge converter (dqc)
10/13/2011US20110248648 Circuits and methods for powering light sources
10/13/2011US20110248642 Light emitting device control circuit device and control method of the control circuit device
10/13/2011US20110248641 Lighting apparatus using white-light leds
10/13/2011DE102010014442A1 Elektronisches Vorschaltgerät mit Schnittstellenvorrichtung Electronic ballast with interface device
10/13/2011DE102010003834A1 Betriebsgerät für Leuchtmittel zum Ermitteln eines Energie- oder Leistungsverbrauchs und Verfahren zum Erfassen desselbigen Desselbigen operating device for lighting means for determining an energy or power consumption and method for detecting
10/13/2011CA2795735A1 Method of controlling an electrical dimming ballast during low temperature conditions
10/13/2011CA2795170A1 Method of striking a lamp in an electronic dimming ballast circuit
10/12/2011EP2375874A1 Power supply unit, light emitting apparatus and dimming method thereof
10/12/2011EP2005803B1 Reduced power loss in electronic ballasts
10/12/2011EP1502479B1 Inductively powered lamp assembly
10/12/2011CN202009532U Photosensitive automatic control electrodeless lamp
10/12/2011CN202009531U Module type electronic ballast for large power energy saving lamp
10/12/2011CN202009530U Novel energy-saving lamp
10/12/2011CN1883237B Lighting device of discharge lamp, illumination apparatus and illumination system
10/12/2011CN102217427A Electronic ballast having a partially self-oscillating inverter circuit
10/12/2011CN102215625A Novel energy-saving high-frequency ballast
10/12/2011CN102213900A Projection device and projection light source control method thereof
10/12/2011CN101771349B A control circuit of a dc/dc converter
10/12/2011CN101185378B Fluorescent lamp driving apparatus, light emitting apparatus and liquid crystal television
10/11/2011US8035319 Voltage sensing apparatus for power regulation and over-voltage protection of discharge lamp and method thereof
10/11/2011US8035318 Apparatus and method enabling fully dimmable operation of a compact fluorescent lamp
10/11/2011US8035316 Current-limiting protection circuit of a remotely controlled ceiling fan-lamp
10/11/2011US8035309 Light emitting device
10/11/2011US8035308 Software controlled electronic dimming ballast
10/06/2011WO2011122274A1 High-pressure discharge lamp lighting device
10/06/2011WO2011031110A3 Apparatus and method for generating constant current pulse wave, medical operation method using same, and light generating apparatus
10/06/2011US20110241574 Optical display systems and methods
10/06/2011US20110241570 Intelligent soft start control to reduce electrostatic discharge clamp current spikes
10/06/2011US20110241567 Hybrid flourescent light controller
10/06/2011US20110241561 Method of Controlling an Electronic Dimming Ballast During Low Temperature Conditions
10/06/2011US20110241560 Apparatus for generating a drive signal for a lamp device and method for generating a drive signal for a lamp device
10/06/2011US20110241559 Integral conduit modular lighting
10/06/2011US20110241558 Light-Emitting Device and Driving Method Thereof
10/06/2011US20110241557 Holding current circuits for phase-cut power control
10/06/2011US20110241556 Method of controlling a fluorescent lamp, a controller and a fluorescent lamp
10/06/2011DE102010014040A1 Verfahren zum Betreiben einer Amalgamlampe Method for operating an amalgam lamp
10/06/2011DE102010003597A1 Netzspannungs-Sendezweig einer Schnittstelle eines Betriebsgeräts für Leuchtmittel Mains voltage transmission branch of an interface of an operating device for lamps
10/05/2011EP2127500B1 Single point sensing for end of lamp life, anti-arcing, and no-load protection for electronic ballast
10/05/2011EP2080421B1 Lighting method for a high-pressure discharge lamp, lighting circuit for a high-pressure discharge lamp, high-pressure discharge lamp apparatus, and projector-type image display apparatus
10/05/2011EP1819205B1 Electric discharge lamp operation device and illumination instrument
10/05/2011CN202005055U Solar energy power source bridge type oscillation high voltage sodium lamp
10/05/2011CN202005054U Ballast and control circuit thereof
10/05/2011CN202005053U Intelligent control system of emergency lighting electrodeless lamp
10/05/2011CN202005052U Novel efficient electrical ballast
10/05/2011CN202005051U Voltage feedback inverter circuit energy-saving lamp
10/05/2011CN202005050U Power supply for magnetic coupling lamp
10/05/2011CN202005049U Electrical ballast and power supply device
10/05/2011CN202005048U Drive circuit assembly of low temperature energy-saving lamp
10/05/2011CN202003958U Electromagnetic discharge lamp
10/05/2011CN1886023B Electric potential balancing of lamp terminal
10/05/2011CN102210195A Providing power to gas discharge lamp
10/05/2011CN102209424A High-reliability electronic ballast for fluorescent lamp
10/05/2011CN102209423A Modular electronic ballast of large power energy saving lamp
10/05/2011CN102209422A Energy-saving device for high-pressure discharge lamp
10/05/2011CN102209421A Source chamber of electrodeless lamp
10/05/2011CN102209420A Electroless lamp source chamber for lamp stand
10/05/2011CN101309540B Electronic trigger and HID light
10/05/2011CN101291559B Trigger of compact high-intensity discharge lamp and circuit board thereof
10/05/2011CN101257762B Digital intelligent electric ballast of high power ultraviolet lamp tube
10/05/2011CN101199239B Single-stage digital power converter for driving LEDs
10/05/2011CN101164389B Electronic ballast with phase dimmer detection
10/04/2011US8030859 Cold-cathode lamp, and display illumination device and display device therewith
10/04/2011US8030858 Inverter circuit, backlight device and liquid crystal display having the same
10/04/2011US8030857 Backlight LED drive circuit
10/04/2011US8030856 Discharge lamp lighting device
10/04/2011US8030855 Single-stage electronic ballast for a fluorescent lamp
10/04/2011US8030853 Circuit and method for improving the performance of a light emitting diode (LED) driver
10/04/2011CA2483261C Pwm controller with automatic low battery power reduction circuit and lighting device incorporating the controller
09/2011
09/29/2011US20110236072 Electron emitting element and method for producing the same
09/29/2011US20110234997 Lighting device, lighting control device, illumination device, and projector
09/29/2011US20110234479 Backlight Unit and Display Apparatus Having the Same
09/29/2011US20110234115 Led drive circuit, led illumination fixture, led illumination device, and led illumination system
09/29/2011US20110234113 Led lamp
09/29/2011US20110234103 Operating device and method for operating at least one Hg low pressure discharge lamp
09/29/2011DE112009002082T5 Leistungsfaktorkorrektur in und Dimmen von Festkörper-Beleuchtungseinrichtungen Power factor correction and dimming of solid-state lighting devices
09/28/2011EP2369901A2 Coupler for inductive lighting device
09/28/2011EP2368410A1 Method and operating device for operating a lighting means using regulated current
09/28/2011EP2232954B1 Starting device with two input poles
09/28/2011EP1940204B1 Electronic stabilizer capable of adjusting light for electrodeless discharge lamp and illumination device
09/28/2011CN201995192U 太阳能电源桥式振荡金卤灯 Solar Power Bridge oscillation Halide
09/28/2011CN201995191U 无极灯电子镇流器 Lamp electronic ballast
09/28/2011CN201993901U 灯塔灯具远程无线遥控装置 Lighthouse lamp remote wireless remote control device
09/28/2011CN201992402U 照明灯设备 Lighting equipment
09/28/2011CN1947472B Full digital dimming ballast for a fluorescent lamp
09/28/2011CN1922934B Discharge lamp ballast and projector
09/28/2011CN1856201B HF power device for driving discharge lamp and frequency setting method thereof
09/28/2011CN102204412A Direct LED lighting system and method
09/28/2011CN102204411A Fluorescent lamp appliance, and lighting control apparatus of fluorescent lamp appliance
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