Patents
Sitemap › H05 - Electric techniques not otherwise provided for › H05B - Electric heating; Electric lighting not otherwise provided for › H05B 41 - Circuit arrangements or apparatus for igniting or operating discharge lamps
Patents for H05B 41 - Circuit arrangements or apparatus for igniting or operating discharge lamps (35,100)
06/2012
06/13/2012CN101496451B Discharge lamp operating system
06/13/2012CN101473703B Portable communication device equipped with an electronic flash having a LED ignition device
06/13/2012CN101442866B Active power compensating circuit for ceramic metallic halogen lamp electric ballast
06/13/2012CN101420810B Lighting device and illumination apparatus
06/13/2012CN101288345B Electronic ballast, lighting fixture employing that electronic ballast, and lighting system equipped with that lighting fixture
06/12/2012US8198822 Light source driving apparatus and light source apparatus having the same
06/12/2012US8198820 Two-wire dimmer circuit for a screw-in compact fluorescent lamp
06/07/2012US20120139435 Method for Controlling a Voltage Transformer for Overvoltage Protection, Voltage Transformer and Operating Device having a Voltage Transformer
06/07/2012US20120139418 Rod light
06/06/2012EP2243339B1 Light flash generator, absorption spectrometer including such generator, and method for generating light flashes
06/06/2012CN202269079U 一种可遥控的触摸开关 One kind of remote control touch switch
06/06/2012CN202269078U Rf无电极等离子体照明装置 Rf electrodeless plasma lighting device
06/06/2012CN202269077U 一种紫外线磁能灯电子镇流器 An ultraviolet lamp electronic ballast magnetic energy
06/06/2012CN1994026B Method and circuit arrangement for operating a discharge lamp
06/06/2012CN1993009B Method and circuit for detecting open circuit state of lamp
06/06/2012CN101356861B Discharge lamp lightening device and illuminator
06/06/2012CN101213885B Dimmer having a microprocessor-controlled power supply
06/06/2012CN101213884B Method of driving a discharge lamp in a projection system, and driving unit
06/05/2012US8193735 LED lamp with high efficacy and high color rendering and manufacturing method thereof
06/05/2012US8193734 Control circuit and method for backlight sources, and image display apparatus and lighting apparatus using the same
06/05/2012US8193728 Circuit arrangement and method for operating a high-pressure discharge lamp
06/05/2012US8193727 Lamp end of life protection circuit and method for an electronic dimming ballast
06/05/2012US8193726 Fluorescent light temperature sensor
06/05/2012US8193722 Circuit arrangement having a transformation apparatus and operating method for a lamp using a circuit arrangement having a transformation apparatus
06/05/2012US8193721 Backlight unit
06/05/2012US8193720 Electrodeless lamp protecting device
06/05/2012US8193719 Using pulse density modulation for controlling dimmable electronic lighting ballasts
06/05/2012US8193713 Apparatus and a method comprising illumination lighting fixture and sensor
06/05/2012US8193665 Multi-protocol fire-alarm strobe synchronization
05/2012
05/31/2012US20120133304 Discharge lamp device
05/31/2012US20120133302 High pressure discharge lamp lighting device
05/31/2012US20120133299 Multi Channel LED Driver
05/31/2012US20120133297 Method for Actuating a Discharge Lamp and Circuitry for Operating Such a Lamp
05/31/2012US20120133294 Light dimmer and method
05/30/2012EP2458948A1 Discharge tube lighting device and method for detecting abnormal electric discharge in same
05/30/2012EP2457768A2 Power converter and vehicle lighting device, vehicle headlight and vehicle using power converter
05/30/2012EP2457325A1 Control switch suitable for different loads
05/30/2012EP2223573B1 Dimmable light generating device
05/30/2012EP2127498B1 Evaluation device for the ignition energy of a discharge lamp
05/30/2012EP1880586B1 Starter transformer and lamp socket for a discharge lamp
05/30/2012CN202262014U Electrodeless dimming lamp
05/30/2012CN202262013U Intelligent dimmable ballast for tunnel
05/30/2012CN202262012U Dimming actuator for fluorescent lamp
05/30/2012CN202262011U Intelligent-controlled energy-efficient high-frequency electrodeless lamp
05/30/2012CN202262010U ECL dimmable energy saving lamp
05/30/2012CN202262009U Device for expanding input voltage based on PWM (pulse width modulation) frequency conversion
05/30/2012CN202262008U Discharge lamp protection circuit, electronic ballast and discharge lamp
05/30/2012CN202262007U Ballast
05/30/2012CN202262006U Electronic ballast and energy-saving lamp adopting same
05/30/2012CN202262005U Driving circuit of energy-saving lamp
05/30/2012CN202262004U Energy-saving DC-AC (Direct Current-Alternating Current) electrodeless lamp
05/30/2012CN202262003U High-accuracy electrodeless lamp frequency drive module with overload protection
05/30/2012CN202262002U Circuit board of lamp ballast device
05/30/2012CN202262001U Direct-current high-frequency plasma electrodeless discharge lamp for solar lighting system
05/30/2012CN202262000U T5 energy-saving lamp
05/30/2012CN202261999U ECL energy-saving lamp
05/30/2012CN1921722B Glow starter module for full wave multiple voltage fluorescent lamp
05/30/2012CN1755891B Lighting system with dielectric barrier discharge lamp and relative ballast
05/30/2012CN102484933A Discharge lamp lighting apparatus
05/30/2012CN102484932A 用于将dc转换为ac脉冲电压的电路 For converting ac to dc pulse voltage circuit
05/30/2012CN102484931A 操作无电极放电灯 Electrodeless discharge lamp operation
05/30/2012CN102480830A 一种用于电子管中管的控制装置 A control device for a tube in tube
05/30/2012CN102480829A Intelligent energy-saving lighting device
05/30/2012CN102478216A 节能日光灯 Energy-saving fluorescent lamps
05/30/2012CN101949497B Remote control energy saving lamp device and remote control method thereof
05/30/2012CN101415288B Light-adjusting circuit for electrodeless florescent lamp
05/30/2012CN101409973B Method for prolonging self-absorption hollow cathode lamp longevity using intermission pulse lighting technology
05/30/2012CN101390452B Step-up driver with minimal switching frequency
05/30/2012CN101389176B Backlight control circuit and controlling method thereof
05/30/2012CN101331806B Circuit arrangement and method for the operation of a high-pressure gas discharge lamp
05/30/2012CN101061757B Electric-discharge lamp operation device
05/29/2012US8188681 Electronic circuit for operating a plurality of gas discharge lamps across a common voltage source
05/29/2012US8188674 LED light emitting device and driving method thereof
05/29/2012US8188673 Organic light emitting diode arrangement
05/29/2012US8188672 High-pressure discharge lamp system and projector using the same
05/29/2012US8188670 Light emitting device and method for driving light emitting device
05/29/2012US8188662 Plasma lamp having tunable frequency dielectric waveguide with stabilized permittivity
05/24/2012WO2012037973A3 Method for starting a high-pressure discharge lamp
05/24/2012US20120126719 Led driver circuit and method
05/24/2012US20120126716 Electron emitting device and driving method thereof
05/24/2012US20120126715 Discharge lamp lighting apparatus
05/24/2012US20120126706 Illumination device including doppler sensor
05/24/2012US20120126701 System And Apparatus For Cathodoluminescent Lighting
05/23/2012EP2454923A2 Electronic ballast and startup method
05/23/2012EP2258149B1 Detection of the type of an hid lamp by a multi-lamp operating device and lighting system
05/23/2012CN202231936U Fluorescent lamp electronic ballast with overvoltage protective circuit
05/23/2012CN202231935U Electronic ballast for cold-cathode fluorescence lamp
05/23/2012CN202231934U Electronic ballast with omnibearing protection function
05/23/2012CN202231933U Brightness adjustable electronic ballast
05/23/2012CN202231932U Fluorescent lamp ballast assembly capable of being rapidly assembled and disassembled
05/23/2012CN202231931U Cross-pushing starter base
05/23/2012CN202229147U Anti-explosion electronic ballast
05/23/2012CN202229075U Multifunctional conversion lamp
05/23/2012CN1568639B Method and apparatus for driving a gas discharge lamp
05/23/2012CN1541041B High Q impedance mateching inverter circuit with automatic line regulation
05/23/2012CN102474967A 用于启动放电灯的方法以及用于运行该放电灯的电路布置 Method for starting a discharge lamp for operating the discharge lamp and the circuit arrangement
05/23/2012CN102474966A 电子镇流器和起动方法 Electronic ballasts and starters methods
05/23/2012CN102474965A 用于操作低外部温度下的气体放电灯的方法以及针对其设计的操作设备 Method for operating gas under low external temperatures and operating a discharge lamp for which the device is designed
05/23/2012CN102474964A Method for controlling a voltage transformer for overvoltage protection, voltage transformer and operating device having a voltage transformer
05/23/2012CN102474963A 用于将dc转换成ac脉冲电压的电路 For converting ac to dc pulse voltage circuit
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