| Patents for H05B 41 - Circuit arrangements or apparatus for igniting or operating discharge lamps (35,100) |
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| 04/17/2013 | CN101754554B Driving method for discharge lamp, driving device for discharge lamp, light source device, and image display apparatus |
| 04/17/2013 | CN101636029B Infrared induction control illuminating lamp |
| 04/16/2013 | US8421739 Apparatus and method of driving discharge tube lamp and liquid crystal display using the same |
| 04/11/2013 | WO2013051193A1 High-voltage discharge lamp lighting device and light source device |
| 04/11/2013 | DE10361908B4 Anordnung zur Erzeugung impulsförmiger Ströme hoher Repetitionsrate und hoher Stromstärke für gasentladungsgepumpte Strahlungsquellen Arrangement for generating pulsed currents of high repetition rate and high amperage for gas-discharge-pumped radiation sources |
| 04/11/2013 | DE102011084274A1 Verfahren und Vorrichtung zur Überwachung von Stromspitzen in einem EVG Method and apparatus for monitoring current peaks in an ECG |
| 04/10/2013 | EP2578269A2 Ipl device of which the energy level can be adjusted using a thyristor |
| 04/10/2013 | EP2578065A1 Fast reigniton of a high intensity discharge lamp |
| 04/10/2013 | EP2578064A2 Dimmer conduction angle detection circuit and system incorporating the same |
| 04/10/2013 | CN202873167U Light modulation electronic ballast |
| 04/10/2013 | CN202873166U Tunnel sodium lamp energy-saving controlling device based on sequential control |
| 04/10/2013 | CN202873165U LED lighting device |
| 04/10/2013 | CN202873164U Gas discharge lamp and gas discharge lamp illumination system |
| 04/10/2013 | CN202873163U Three-primary-color energy-saving ballast |
| 04/10/2013 | CN202873162U Switching device for xenon lamp high voltage start circuit |
| 04/10/2013 | CN202873161U A self-ballasted fluorescent lamp or a single-capped fluorescent lamp without helical discharge arcs |
| 04/10/2013 | CN202873160U Mercury lamp control box |
| 04/10/2013 | CN103039127A Method of controlling an electrical dimming ballast during low temperature conditions |
| 04/10/2013 | CN103039126A Fast reignition of a high intensity discharge lamp |
| 04/10/2013 | CN103037605A Discharge lamp lighting device and projector |
| 04/10/2013 | CN103037604A Control method of high-pressure gas discharge lamp and high-pressure gas discharge lamp |
| 04/10/2013 | CN103037603A HID (High Intensity Discharge) lamp electronic ballast with plurality of protection functions and pre-exciting method thereof |
| 04/10/2013 | CN103037602A Electronic ballast with adjustable luminance |
| 04/10/2013 | CN103034028A 投影机 Projector |
| 04/10/2013 | CN102065621B One-cycle controlled constant-power electronic ballast for high intensity discharge (HID) lamp and control method of electronic ballast |
| 04/10/2013 | CN101690412B Method and driving unit for driving a gas-discharge lamp |
| 04/10/2013 | CN101600288B Electronic ballast circuit adaptable to common light adjustor to adjust light |
| 04/09/2013 | USRE44133 Fixed operating frequency inverter for cold cathode fluorescent lamp having strike frequency adjusted by voltage to current phase relationship |
| 04/09/2013 | US8415895 Lamp comprising a base and at least one light-emitting semiconductor component |
| 04/09/2013 | US8415894 Multifunctional output stage for driving dimmed light sources and related method |
| 04/09/2013 | US8415892 Voltage-limiting and reverse polarity series type LED device |
| 04/09/2013 | US8415891 Lamp ballast circuit and driving method thereof |
| 04/09/2013 | US8415889 LED lighting equipment |
| 04/09/2013 | US8415887 Transistor bypass shunts for LED light strings |
| 04/09/2013 | US8414157 Rod light |
| 04/09/2013 | CA2645787C Anti-striation circuit for current-fed ballast |
| 04/04/2013 | WO2013044363A1 Electrical module and method for illuminating a high intensity discharge (hid) lamp on a vehicle |
| 04/04/2013 | WO2013044334A1 Connection means for establishing an electrical connection between reactors and other components of a lighting system, and use of said device |
| 04/04/2013 | WO2013007727A3 Electronic ballast for a lamp |
| 04/04/2013 | US20130083300 Discharge lamp lighting device and projector |
| 04/04/2013 | US20130082620 High frequency power supply device |
| 04/04/2013 | US20130082597 Electrical module and method for illuminating a high intensity discharge (hid) lamp on a vehicle |
| 04/04/2013 | US20130082596 Light detector to control a hybrid lamp |
| 04/04/2013 | DE102011111067B4 Niederdruckplasma-Lichtquelle Low pressure plasma light source |
| 04/04/2013 | CA2850236A1 Electrical module and method for illuminating a high intensity discharge (hid) lamp on a vehicle |
| 04/03/2013 | CN202857117U 36V energy saving lamp ballast capable of realizing high voltage low voltage protection |
| 04/03/2013 | CN202857116U Fluorescent lamp ballast |
| 04/03/2013 | CN202857115U Filament preheating line |
| 04/03/2013 | CN202857114U Low voltage 36v energy saving lamp ballast |
| 04/03/2013 | CN202857113U Electronic ballast used for driving at least one discharge lamp and method |
| 04/03/2013 | CN202857112U Low-pressure sodium lamp electronic ballast circuit |
| 04/03/2013 | CN202857111U Energy saving lamp ballast capable of realizing super-high voltage protection |
| 04/03/2013 | CN202857110U Ceiling lamp electronic ballast |
| 04/03/2013 | CN202857109U Electrodeless lamp electric appliance case |
| 04/03/2013 | CN202857108U Lighthouse modularization controlling means |
| 04/03/2013 | CN1518201B Power-supply device for power supplying to discharge lamp |
| 04/03/2013 | CN103025037A Hierarchical dimming control circuit and control method thereof |
| 04/03/2013 | CN103025036A Full-digital pulse combined light source |
| 04/03/2013 | CN103025035A Resonance capacitor adjusting element and current preheating type electronic ballast applicable to same |
| 04/03/2013 | CN103025034A High-performance spectrum lamp device for rubidium atomic frequency standard |
| 04/03/2013 | CN102362556B Dimming interface for power line |
| 04/03/2013 | CN101883466B Crest factor overcurrent protection circuit applied to electronic ballast |
| 04/03/2013 | CN101711082B Electronic ballast circuit and fluorescent lamp device |
| 04/02/2013 | US8410721 Electronic ballast and method for operating at least one discharge lamp |
| 04/02/2013 | US8410719 Electronic ballast and method for controlling at least one light source |
| 04/02/2013 | US8410714 Illuminating device |
| 04/02/2013 | US8410713 Lamp end of life (EOL) detection circuit |
| 04/02/2013 | US8410712 Method and apparatus for curing thin films on low-temperature substrates at high speeds |
| 04/02/2013 | US8410710 Light emitting device driving circuit |
| 04/02/2013 | US8410709 Parallel light-emitting circuit of parallel LED light-emitting device and circuit board thereof |
| 04/02/2013 | US8410700 Electrodeless lighting system and control method thereof |
| 04/02/2013 | CA2590710C Distributed intelligence ballast system and extended lighting control protocol |
| 04/02/2013 | CA2451440C Electronic ballast |
| 03/28/2013 | WO2013042704A1 Discharge lamp lighting device and lighting method |
| 03/28/2013 | WO2013042171A1 Discharge lamp lighting device |
| 03/28/2013 | WO2013041555A1 Electrical apparatus for igniting a flash lamp, and electrical system for optical pumping comprising such an igniting apparatus |
| 03/28/2013 | WO2013041331A1 A steps dimming control circuit and a method |
| 03/28/2013 | US20130076244 Current-preheat electronic ballast and resonant capacitor adjusting circuit thereof |
| 03/27/2013 | EP2574154A2 Method of controlling an electrical dimming ballast during low temperature conditions |
| 03/27/2013 | EP2574153A2 Power factor correction method and device for discharge lamps, for example high pressure sodium lamps |
| 03/27/2013 | CN202841670U Intelligent controller of solar energy power supply low-voltage sodium lamp |
| 03/27/2013 | CN202841669U Novel electrodeless lamp ballast circuit |
| 03/27/2013 | CN202841668U Electronic ballast circuit used for energy saving lamp |
| 03/27/2013 | CN202841667U Ballast circuit used for energy saving lamp |
| 03/27/2013 | CN202841666U Ballast circuit used for energy-saving lamp |
| 03/27/2013 | CN202841665U 一种电子镇流器的电路 An electronic ballast circuit |
| 03/27/2013 | CN202841664U Electronic ballast circuit used for energy saving lamp |
| 03/27/2013 | CN1791298B Lighting device, liquid crystal display device, mobile terminal device and controlling method thereof |
| 03/27/2013 | CN1758822B Circuit arrangement for dimming at least one lamp |
| 03/27/2013 | CN103003629A Lamp for replacing a fluorescent tube |
| 03/27/2013 | CN103003510A Illuminated double-profile fence post and associated fence structure |
| 03/27/2013 | CN103002647A Intelligent electronic ballast |
| 03/27/2013 | CN103002646A Intelligent electrodeless lamp |
| 03/27/2013 | CN103002645A Three light level electronic ballast |
| 03/27/2013 | CN103002644A High-frequency electronic ballast, high-intensity discharge lamp and method for controlling same |
| 03/27/2013 | CN101854766B Electrodeless lamp power circuit, and protection method and protective circuit thereof |
| 03/27/2013 | CN101795526B High pressure discharge lamp igniting device, light source igniting device for illuminator and projector |
| 03/27/2013 | CN101472376B Electric ballast and control method for limiting firing current |
| 03/27/2013 | CN101438630B Lighting device and lighting method |
| 03/27/2013 | CN101232189B Adaptive inductive power supply with communication |