| Patents for H05B 41 - Circuit arrangements or apparatus for igniting or operating discharge lamps (35,100) |
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| 08/27/2009 | US20090212712 Electronic Ballast For A Low-Pressure Discharge Lamp With A Micro-Controller |
| 08/27/2009 | US20090212711 Driving method and driving device for discharge lamp, light source device, and image display device |
| 08/27/2009 | US20090212628 System and method for inductive power supply control using remote device power requirements |
| 08/27/2009 | DE102008009078A1 Einfaches fremdgesteuertes Vorschaltgerät für Leuchtstofflampen Simple externally controlled ballast for fluorescent lamps |
| 08/26/2009 | EP2094066A2 Method for controlling a beam of light from dimmed bulbs and switching arrangement for this |
| 08/26/2009 | EP2094065A1 Method for controlling a beam of light from dimmed bulbs and switching arrangement for this |
| 08/26/2009 | EP2094020A2 Projector |
| 08/26/2009 | EP2092803A1 Driver for operating a gas discharge lamp |
| 08/26/2009 | EP2092802A1 Circuit arrangement and method for operating a discharge lamp with preheatable electrodes |
| 08/26/2009 | EP2092801A1 Inverters |
| 08/26/2009 | EP2092800A1 A cell arrangement for feeding electrical loads such as light sources, corresponding circuit and design method |
| 08/26/2009 | EP2092642A1 High-voltage pulse generator and high-pressure discharge lamp comprising such a generator |
| 08/26/2009 | EP2000010B1 Switch-off time regulation system for an inverter for driving a lamp |
| 08/26/2009 | EP1654913B1 Ballast for at least one high pressure discharge lamp, method for operating said lamp and lighting system comprising said lamp |
| 08/26/2009 | CN201298957Y Staged-dimming control signal control circuit for electronic ballast |
| 08/26/2009 | CN201298956Y Light modulation circuit of electrodeless fluorescent lamp |
| 08/26/2009 | CN201298955Y Power supply control circuit and an illuminator |
| 08/26/2009 | CN201298954Y 数字可寻址照明控制系统 Digital addressable lighting control systems |
| 08/26/2009 | CN201298953Y Self-adapting light-adjusting electronic ballast |
| 08/26/2009 | CN201298952Y Power coupler of high-frequency electronic discharge lamp |
| 08/26/2009 | CN201298951Y Pre-heat start circuit |
| 08/26/2009 | CN201298945Y High-power light dimmer |
| 08/26/2009 | CN201298814Y LED high power illumination power adapter |
| 08/26/2009 | CN201298535Y Novel long-effective fluorescent tube |
| 08/26/2009 | CN201298127Y 背光显示装置 Backlit display device |
| 08/26/2009 | CN101518160A Using pulse density modulation for controlling dimmable electronic lighting ballasts |
| 08/26/2009 | CN101518159A Electronic ballast with improved inverter startup circuit |
| 08/26/2009 | CN101518158A Circuit for powering a high intensity discharge lamp |
| 08/26/2009 | CN101518157A Ballast with frequency-diagnostic lamp fault protective circuit |
| 08/26/2009 | CN101516156A Wireless Light modulating type electronic ballast and compact fluorescent lamp comprising same |
| 08/26/2009 | CN101516155A Lighting of discharge lamp by frequency control |
| 08/26/2009 | CN101516154A Method for using a mobile phone camera to automatic control a flash lamp as a photoinduction flashlight |
| 08/26/2009 | CN101516153A Trigger circuit and detection circuit for high-frequency electronic ballast |
| 08/26/2009 | CN101515534A Plasma panel light source and square wave pulse driving method thereof |
| 08/26/2009 | CN101514787A An improved xenon lamp |
| 08/26/2009 | CN101514783A Ultraviolet irradiation apparatus |
| 08/26/2009 | CN100534256C Respiration lamp controlling method and its device |
| 08/26/2009 | CN100534255C Lamp control system |
| 08/26/2009 | CN100534254C High-voltage discharge lamp operating device |
| 08/26/2009 | CN100534253C Fast warming lighting device |
| 08/26/2009 | CN100534252C Controller of LED illuminating lamp of solar energy |
| 08/25/2009 | US7579787 Methods and protection schemes for driving discharge lamps in large panel applications |
| 08/25/2009 | US7579785 Multiple-light discharge lamp lighting device |
| 08/20/2009 | WO2009102506A1 Combined ballast for fluorescent lamp and light emitting diode and method of driving same |
| 08/20/2009 | WO2009101743A1 Automotive discharge lamp |
| 08/20/2009 | WO2009101554A1 Control device for controlling a discharge lamp |
| 08/20/2009 | WO2009101552A1 Device for controlling a discharge lamp |
| 08/20/2009 | WO2009101544A2 Control circuit of a dimmer assembly for dimming an energy-saving lamp |
| 08/20/2009 | WO2009100755A1 Method for operating a high-pressure discharge lamp |
| 08/20/2009 | US20090207385 Method of driving discharge lamp, driving device, and projector |
| 08/20/2009 | US20090206774 Electronic reactive current oscillation-reducing ballast |
| 08/20/2009 | US20090206771 Light driver circuit device and backlight device |
| 08/20/2009 | US20090206770 Light emitting display device and driving method thereof |
| 08/20/2009 | US20090206767 Split phase inverters for ccfl backlight system |
| 08/20/2009 | US20090206766 High-pressure discharge lamp, lighting apparatus and high-pressure discharge lamp apparatus |
| 08/20/2009 | US20090206765 Electronic ballast with phase dimmer detection |
| 08/20/2009 | US20090206763 Method and apparatus for controlling a discharge lamp in a backlighted display |
| 08/20/2009 | US20090206762 LED Light String with Split Bridge Rectifier and Thermistor Fuse |
| 08/20/2009 | DE102008046733A1 HID-Lampe mit Hilfe zum schnellen Neuzünden HID lamp with help fast relighting |
| 08/20/2009 | DE102005024121B4 Vorrichtung und Verfahren zur Helligkeitssteuerung einer Flüssigkristalldisplay-Einrichtung Apparatus and method for controlling the brightness of a liquid crystal display device |
| 08/19/2009 | EP2091304A1 High-pressure discharge lamp, lighting equipment, and high-pressure discharge lamp device |
| 08/19/2009 | EP2091303A2 Simple remotely controlled preswitching device for illuminant lamps |
| 08/19/2009 | EP2090143A1 Circuit arrangement for operation of discharge lamps, and method for operation of discharge lamps |
| 08/19/2009 | EP2090142A1 Circuit arrangement, and method for the operation of a high-pressure discharge lamp |
| 08/19/2009 | EP1932399B1 Method for setting an electronic ballast |
| 08/19/2009 | EP1920643B1 Ballast for a discharge lamp with adaptive preheating |
| 08/19/2009 | EP1897417B1 Method of shutting down a high pressure discharge lamp and driving unit for driving a high pressure discharge lamp |
| 08/19/2009 | CN201294676Y Electric ballast with continuous light modulation function |
| 08/19/2009 | CN201294675Y Hierarchical light modulation electron ballast for intelligent florescent lamp |
| 08/19/2009 | CN201294674Y Intelligent controller with energy-saving and light modulation function for road lamp |
| 08/19/2009 | CN201294673Y D/A signal superposition feedback circuit |
| 08/19/2009 | CN201294672Y 电子共振荧光灯镇流器 Electronic resonance fluorescent ballasts |
| 08/19/2009 | CN201294671Y Electric ballast with earthquake-sensing alarm function |
| 08/19/2009 | CN201294670Y Electric ballast with protection function |
| 08/19/2009 | CN201294669Y Road lamp intelligent ballast |
| 08/19/2009 | CN201294668Y Metal halide, high-pressure sodium lamp and electric ballast of high-power florescent lamp |
| 08/19/2009 | CN201294667Y Electromagnetic induction fluorescent lamp ballast |
| 08/19/2009 | CN101513132A Lamp driver circuit and method for driving a discharge lamp |
| 08/19/2009 | CN101513131A Thermal protection for lamp ballasts |
| 08/19/2009 | CN101513130A Electromagnetic compatibility improvement implemented through high-frequency absorption in luminous equipment and electric ballast |
| 08/19/2009 | CN101513129A Discharge lamp operation device and illumination device |
| 08/19/2009 | CN101513122A Variable load circuits for use with lighting control devices |
| 08/19/2009 | CN101510025A Liquid crystal display device |
| 08/19/2009 | CN100531508C Light modulating apparatus for quasi-molecular discharge lamp |
| 08/19/2009 | CN100531507C Method of dimming control and illuminating system employing same method |
| 08/19/2009 | CN100531506C Electronic ballast and method for selecting its working frequency |
| 08/19/2009 | CN100531505C Operating circuit for a dielectrically impeded discharge lamp having an overvoltage protection circuit |
| 08/19/2009 | CN100531504C Electronic ballast and operating method |
| 08/19/2009 | CN100530522C Apparatus for intercepting leakage of microwave |
| 08/18/2009 | US7576494 High voltage discharge lamp lighting method, lighting apparatus and image device using that lighting apparatus |
| 08/18/2009 | CA2325304C Smart lamp |
| 08/13/2009 | WO2009099979A1 Balancing arrangement with reduced amount of balancing transformers |
| 08/13/2009 | WO2009099978A1 Arrangement suitable for driving floating ccfl based backlight |
| 08/13/2009 | WO2009099711A1 Color control of a discharge lamp during dimming |
| 08/13/2009 | WO2009099645A1 Energy savings circuitry for a lighting ballast |
| 08/13/2009 | WO2009099422A1 Methods and apparatus for a high power factor ballast having high efficiency during normal operation and during dimming |
| 08/13/2009 | WO2009098800A1 Lighting device and display device |
| 08/13/2009 | WO2009098790A1 Multi-output high frequency step-up transformer for fluorescent tube |
| 08/13/2009 | US20090204239 LED Light Controller System and Method |
| 08/13/2009 | US20090201956 Light source driving apparatus and light source driving method |