Patents
Patents for H05B 41 - Circuit arrangements or apparatus for igniting or operating discharge lamps (35,100)
09/2012
09/06/2012DE102011005048A1 Testbetrieb eines Betriebsgeräts für Leuchtmittel Test operation of an operating device for lamps
09/06/2012DE102010054381B4 Verfahren zur Stromversorgung einer Entladungslampe, Schaltungsanordnung mit einem elektronischen Vorschaltgerät und einer Entladungslampe sowie Vorschaltgerät Method for powering a discharge lamp circuit with an electronic ballast and a discharge lamp and ballast
09/05/2012EP2494853A1 Apparatus and methods of operation of passive and active led lighting equipment
09/05/2012EP2494852A1 Selectively activated rapid start/bleeder circuit for solid state lighting system
09/05/2012CN202425180U Standby electrodeless lamp with double electronic ballasts
09/05/2012CN202425179U Electronic ballast
09/05/2012CN202425178U Energy-saving control device for high-tension sodium lamp
09/05/2012CN202425177U Feedback-type automatic power switching controller for electrodeless lamp with double electronic ballasts
09/05/2012CN202425176U Positive and negative input device of bridge circuit-controlled HID (high intensity discharge) stabilizer
09/05/2012CN202425175U Balancing overheat oscillation-stop self-locking split-type energy-saving lamp
09/05/2012CN202425174U Electronic ballast with state indicating function
09/05/2012CN202425173U Long-life electrode-type illuminating lamp circuit
09/05/2012CN202425172U T8 to T5 lamp electronic ballast
09/05/2012CN202425171U Changeover type dual-electronic-ballast electrodeless lamp
09/05/2012CN202425170U Electronic ballast of fluorescent lamp
09/05/2012CN202425169U Electronic ballast
09/05/2012CN202425168U Inductance-type point-cold-cathode tube stable loop structure
09/05/2012CN202425114U Control device for induction lamps
09/05/2012CN202423217U Hid照明系统 Hid Lighting System
09/05/2012CN1895007B Method and circuit arrangement for operating a discharge lamp
09/05/2012CN102656951A Transition mode commutation for inverter
09/05/2012CN102655707A Dimming control device for energy-saving lamp
09/05/2012CN101778520B Method for controlling soft switching of zero voltage quasi-square wave BUCK transducer and circuit thereof
09/05/2012CN101742801B CMOS power factor correction control circuit for electronic ballast
09/05/2012CN101702860B Lighting control circuit of electronic ballast
09/05/2012CN101652010B Drive power supply of sunlight simulator
09/05/2012CN101507366B High voltage discharge lamp lighting apparatus and illuminating equipment
09/05/2012CN101500367B Signal processing circuit and method
09/05/2012CN101500366B Circuit system for driving high brightness discharge lamp
09/05/2012CN101491162B Super-high pressure mercury lamp
09/05/2012CN101426320B Driving system for electronic device and current balancing circuit thereof
09/05/2012CN101385398B Discharge lamp lighting device, lighting system and method
09/05/2012CN101352106B Crest factor reduction method for electronically ballasted lamps
09/05/2012CN101316470B Magnet ring frequency changer and electric ballast with the same
09/05/2012CN101095376B A method and an operation controller for operation of a mercury vapour discharge lamp in an image rendering system
09/04/2012US8258720 Solid state lighting apparatus
09/04/2012US8258719 Method and circuit arrangement for regulating a LED current flowing through a LED circuit arrangement, and associated circuit composition and lighting system
09/04/2012US8258715 Fluorescent lamp with balanced lamp tube electric potentials
09/04/2012US8258714 LED controller with phase-shift dimming function and LED phase-shift dimming circuit and method thereof
09/04/2012US8258706 LED drive circuit, LED illumination component, LED illumination device, and LED illumination system
08/2012
08/30/2012WO2012049152A3 Method and electrical circuit for operating a light source of a motor vehicle headlight with direct current, and light module of a motor vehicle headlight comprising such a circuit and motor vehicle headlight comprising such a light module
08/30/2012US20120217895 Lamp tube driving device, lamp tube module, and lamp tube driving system
08/30/2012US20120217894 Driving circuit for led
08/30/2012US20120217893 Inverter device, illumination device for display device provided with the same, and display device
08/30/2012US20120217891 Lighting Apparatus Using PN Junction Light-Emitting Element
08/30/2012US20120217153 Self-Tuning Power Supply
08/30/2012DE102009048562B4 Verfahren und Vorrichtung zum Betreiben einer elektrodenlosen Entladungslampe mit einem Wobbelgenerator Method and apparatus for operating an electrodeless discharge lamp having a sweep generator
08/29/2012EP2491769A1 Circuit assembly for operating at least one discharge lamp
08/29/2012EP2491768A1 Fluorescent lamp ballast with electronic preheat circuit
08/29/2012CN202406369U Restart circuit for electronic ballast of fluorescent lamp
08/29/2012CN202406368U Novel electrodeless lamp ballast
08/29/2012CN202406366U Streetlamp power saving device
08/29/2012CN102652465A Electronic ballast with power thermal cutback
08/29/2012CN102652464A Driver circuit for driving a load circuit
08/29/2012CN102651941A Protective circuit of fluorescent lamp ballast and circuit of fluorescent lamp ballast
08/29/2012CN101761838B LED (light emitting diode) light-mixing efficient energy-saving street lamp
08/29/2012CN101646288B Dimming method applicable to traditional dimmers and LED dimmable drive power
08/29/2012CN101435950B Backlight unit and liquid crystal display device including the same
08/29/2012CN101291117B Inverter, back light assembly and display device possessing same
08/29/2012CN101188896B Inverter circuit and backlight assembly having the same
08/28/2012US8253346 Multi configurable lighting and energy control system and modules
08/28/2012US8253345 Method for driving LED
08/23/2012WO2012110961A2 Emergency lighting ballast device with a plurality of ballastoutputs for flexible lamp connection configurations
08/23/2012WO2012110949A1 Circuit arrangement for operating a high pressure discharge lamp
08/23/2012WO2012109687A1 Method for detecting a rectifier effect for a dimmable gas discharge lamp
08/23/2012WO2012083323A3 Method and device for operating a gas discharge lamp
08/23/2012US20120212150 Underwater lighting system and method
08/23/2012US20120212128 Electrodeless lamps and methods
08/23/2012DE102011004351A1 Verfahren zum Erkennen eines Gleichrichtereffektes bei einer dimmbaren Gasentladungslampe A method of detecting a rectifier effect in the gas discharge lamp, a dimmable
08/22/2012EP2490511A1 Electronic ballast
08/22/2012EP2130412B1 Error detector in an operating device for lighting devices
08/22/2012EP1685749B1 Discharge lamp ballast with detection of abnormal discharge outside the arc tube
08/22/2012CN202396071U HID (High intensity Discharge) electronic ballast based on wireless control of internet of things
08/22/2012CN202396070U HID (high intensity discharge) electronic ballast operating state control device
08/22/2012CN202396069U Road lamp lighting power saver control device
08/22/2012CN202396068U Electronic ballast of metal halogen lamp
08/22/2012CN202396058U Vehicular tunnel Illuminating brightness adaptive control system
08/22/2012CN202392760U Novel electronic ballast
08/22/2012CN102647840A Electric-discharge lamp lightening device and illumination device comprising same
08/22/2012CN102647839A Multi-tap ballast protective circuit and multi-tap ballast
08/22/2012CN102647838A Conversion module of electronic ballast-driven LED (light emitting diode)
08/22/2012CN101788744B Device and method for driving mini projector
08/22/2012CN101657677B Backlight device and liquid crystal display device
08/22/2012CN101610630B Drive circuit of fluorescent tube
08/22/2012CN101491163B Display device illuminating device and display device provided with the illuminating device
08/22/2012CN101483956B Low frequency full bridge circuit used for ceramic metal halogen lamp electric ballast
08/22/2012CN101459998B Backlight unit having protection circuit using center-tap
08/22/2012CN101336034B Dielectric barrier discharge lamp system and driving method thereof
08/22/2012CN101198204B Discharge lamp lighting apparatus and projector
08/21/2012US8247997 Ballast with lamp filament detection
08/21/2012US8247988 Compact delay line structures for field applicators for operation of electrodeless gas discharge lamps
08/21/2012US8247987 Induction lamp lighting device and illumination apparatus
08/21/2012US8247986 Power conversion controller having an adaptive peak current reference
08/21/2012US8247985 Light tube and power supply circuit
08/21/2012US8247975 Backlight assembly for liquid crystal display device
08/16/2012WO2012109350A2 Electrodeless plasma lamp with variable voltage power supply
08/16/2012US20120206060 Inductive electronic module and use thereof
08/16/2012US20120206059 Two level lighting ballast
08/16/2012US20120205989 Adaptive inductive power supply with communication
08/15/2012EP2488001A2 Two light level control circuit
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