| Patents for H05B 41 - Circuit arrangements or apparatus for igniting or operating discharge lamps (35,100) |
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| 02/02/2011 | CN101965091A Locomotive assisted illuminating lamp |
| 02/02/2011 | CN101965090A High pressure discharge lamp lighting device, and illumination fixture and illumination system using the same |
| 02/02/2011 | CN101965089A Electronic stabilizing device |
| 02/02/2011 | CN101965088A Discharge lamp lighting device, projector, and driving method of discharge lamp |
| 02/02/2011 | CN101965087A Boosting inductive ballast |
| 02/02/2011 | CN101964300A Bidirectional high-frequency electrodeless lamp bulb and high-frequency electrodeless lamp |
| 02/02/2011 | CN101964299A Pear-shaped magnetic energy lamp with integrated closed magnetic circuit |
| 02/02/2011 | CN101112127B Switch arrangement for a starting unit of a discharge lamp |
| 02/02/2011 | CN101091418B Transformer, illuminating apparatus using the same, and display apparatus using the same |
| 02/01/2011 | US7881084 DC/AC cold cathode fluorescent lamp inverter |
| 02/01/2011 | US7880407 Driver system and method with cyclic configuration for multiple cold-cathode fluorescent lamps and/or external-electrode fluorescent lamps |
| 02/01/2011 | US7880403 Method of detecting an arc in a glow-discharge device and apparatus for controlling a high-frequency arc discharge |
| 02/01/2011 | US7880402 Plasma lamp with field-concentrating antenna |
| 02/01/2011 | US7880401 Lighting controlling device of vehicle lighting equipment |
| 02/01/2011 | US7880400 Digital driver apparatus, method and system for solid state lighting |
| 02/01/2011 | US7880399 Ballast for at least one fluorescent high pressure discharge lamp, method for operating said lamp and lighting system comprising said lamp |
| 02/01/2011 | US7880397 Method for starting a discharge lamp using high energy initial pulse |
| 02/01/2011 | US7878671 File system for a stage lighting array system |
| 01/27/2011 | WO2011010818A2 Device for supplying electrostatic force |
| 01/27/2011 | WO2011010481A1 Discharge tube lighting device and method for detecting abnormal electric discharge in same |
| 01/27/2011 | WO2011010343A1 Light source driving method and light source driving device |
| 01/27/2011 | WO2011010269A2 Power converter and vehicle lighting device, vehicle headlight and vehicle using power converter |
| 01/27/2011 | WO2011009187A1 Control switch suitable for different loads |
| 01/27/2011 | WO2010104297A9 Active constant power supply apparatus |
| 01/27/2011 | WO2010002612A3 Internal power supply for a ballast |
| 01/27/2011 | US20110018461 Method for producing a high-pressure discharge lamp, method for producing light using a high-pressure discharge lamp and digital video projector |
| 01/27/2011 | US20110018460 Discharge lamp lighting apparatus |
| 01/27/2011 | US20110018459 Method and Operating Device for Minimizing the Insulation Stress of a High-Pressure Discharge Lamp System |
| 01/27/2011 | US20110018458 Lighting device implemented through utilizing insulating type piezoelectric transformer in driving light-emitting-diodes (leds) |
| 01/27/2011 | US20110018456 Discharge lamp lighting device, projector, and driving method of discharge lamp |
| 01/27/2011 | US20110018455 Discharge lamp lighting apparatus |
| 01/27/2011 | US20110018453 Hid lamp ballast with multi-phase operation based on a detected lamp illumination state |
| 01/27/2011 | DE102009023884A1 Elektronisches Vorschaltgerät und Verfahren zum Betreiben mindestens einer Entladungslampe An electronic ballast and method for operating at least a discharge lamp |
| 01/27/2011 | DE102009023787A1 Schaltungsanordnung und Verfahren zum Betreiben einer Niederdruckentladungslampe Circuit arrangement and method for operating a low-pressure discharge lamp |
| 01/26/2011 | EP2278862A2 High pressure discharge lamp lighting device, and illumination fixture and illumination system using the same |
| 01/26/2011 | EP2278861A1 Central power supply having several DC output circuits |
| 01/26/2011 | EP2278716A1 Drive circuit for a light source, having an adaptive A/D converter |
| 01/26/2011 | EP2278419A1 Motion detector and load control unit |
| 01/26/2011 | EP2277362A1 Method for operating a gas discharge lamp and lighting system comprising a gas discharge lamp |
| 01/26/2011 | EP2277361A1 Ignition for ceramic metal halide high frequency ballasts |
| 01/26/2011 | EP2140736B1 Circuit arrangement and method for operating a discharge lamp |
| 01/26/2011 | EP1718128B1 Electronic controller for high power gas discharge lamp |
| 01/26/2011 | CN201726581U Intelligent electronic ballast |
| 01/26/2011 | CN201726580U Driving device of gas discharging lamp |
| 01/26/2011 | CN201726579U Wide voltage input electronic ballast circuit |
| 01/26/2011 | CN201726578U Active electronic ballast |
| 01/26/2011 | CN201726577U No-filament energy saving lamp |
| 01/26/2011 | CN201726576U Radiation protective non-polar electronic ballast |
| 01/26/2011 | CN1750731B Electronic ballast having a pump circuit for a discharge lamp having preheatable electrodes |
| 01/26/2011 | CN1703135B Ballast for discharge lamp with continuous operation regulating circuit and drive method of the lamp |
| 01/26/2011 | CN1582081B Electronic ballast, lighting system, electric device and its operation method |
| 01/26/2011 | CN101960925A Method of driving a gas-discharge lamp |
| 01/26/2011 | CN101960924A Dimmable instant start ballast |
| 01/26/2011 | CN101960923A Discharge tube lighting device |
| 01/26/2011 | CN101960214A Lighting device, display device, and television receiving device |
| 01/26/2011 | CN101959360A Power supply driver module for one-driven-two low-frequency electrodeless lamp |
| 01/26/2011 | CN101959359A Quick starting circuit of fluorescent tube capable of saving energy |
| 01/26/2011 | CN101959358A Anti-arc electronic ballast of series resonance instant start type |
| 01/26/2011 | CN101959357A Discharge lamp lighting device, projector, and driving method of discharge lamp |
| 01/26/2011 | CN101959356A Starting circuit of LC (Liquid Chromatography) fluorescent lamp ballast |
| 01/26/2011 | CN101959355A Discharge lamp lighting device, projector, and driving method of discharge lamp |
| 01/26/2011 | CN101959354A Circuit arrangement and method for igniting a discharge lamp |
| 01/26/2011 | CN101959349A Dual-light source intelligent control type illuminating lamp control circuit |
| 01/26/2011 | CN101958222A Electrode-less lamp and lighting tube thereof |
| 01/26/2011 | CN101957543A Projector and drive voltage regulating method thereof |
| 01/26/2011 | CN101112128B Circuit arrangement and method for the operation of a high-pressure gas discharge lamp |
| 01/25/2011 | US7876056 Multiple sensor variable illumination level lighting system |
| 01/25/2011 | US7876055 Lamp-lighting apparatus |
| 01/25/2011 | CA2634660C Point-of-use water treatment system |
| 01/20/2011 | WO2011008635A1 Adaptive dimmer detection and control for led lamp |
| 01/20/2011 | WO2011007283A2 Electronic ballast and startup method |
| 01/20/2011 | US20110012881 Power supply circuit and control method thereof |
| 01/20/2011 | US20110012536 Electronic ballast with dimming control from power line sensing |
| 01/20/2011 | US20110012535 Portable lighting devices |
| 01/20/2011 | US20110012534 Portable lighting devices |
| 01/20/2011 | US20110012528 Control Switch |
| 01/20/2011 | US20110012527 Synchronous operation system for discharge lamp lighting apparatuses, discharge lamp lighting apparatus, and semiconductor integrated circuit thereof |
| 01/20/2011 | US20110012526 Power factor correction and driver circuits |
| 01/20/2011 | US20110012525 Discharge lamp lighting device, projector, and driving method of discharge lamp |
| 01/20/2011 | US20110012524 Discharge lamp lighting device, projector, and driving method of discharge lamp |
| 01/20/2011 | US20110012523 Method and current control circuit for operating an electronic gas discharge lamp |
| 01/20/2011 | DE102009032985A1 Schaltungsanordnung und Verfahren zum Zünden einer Entladungslampe Circuit arrangement and method for igniting a discharge lamp |
| 01/19/2011 | EP2274960A1 Method and circuit arrangement for operating at least one discharge lamp |
| 01/19/2011 | EP1989927B1 Method and driving unit for driving a gas discharge lamp |
| 01/19/2011 | EP1912249B1 Metal halide lamp, metal halide lamp lighting device and head light |
| 01/19/2011 | CN201718108U Intelligent voltage-stabilization electricity-saving device of metal halide |
| 01/19/2011 | CN201718107U Electronic intelligent dimming and ballasting power saver |
| 01/19/2011 | CN201718106U Arc suppression circuit at output end of electronic ballast |
| 01/19/2011 | CN201718105U Electronic ballast circuit for low-voltage fluorescent lamp |
| 01/19/2011 | CN201718104U Acousto-optic control time-lapse electronic ballast |
| 01/19/2011 | CN201718103U Starter |
| 01/19/2011 | CN201715356U High-efficiency energy-saving desktop lamp for learning |
| 01/19/2011 | CN1980514B Telecontrolled light-regulation energy-saving apparatus |
| 01/19/2011 | CN1741361B Power supply apparatus and method |
| 01/19/2011 | CN101953233A Backlight device and display equipped with the device |
| 01/19/2011 | CN101953229A Combined ballast for fluorescent lamp and light emitting diode and method of driving same |
| 01/19/2011 | CN101952913A High voltage transformer with space-saving primary windings |
| 01/19/2011 | CN101951723A Frequency-shaking ballast resistor for electrode-less lamp |
| 01/19/2011 | CN101951140A EMI (Electro-Magnetic Interference) filter of electrodeless fluorescent lamp with ultracrystalline filter coil CL+CL structure |
| 01/19/2011 | CN101951036A Adaptive inductive power supply |