| Patents for H05B 41 - Circuit arrangements or apparatus for igniting or operating discharge lamps (35,100) |
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| 01/03/2007 | CN2855004Y Controller for light illumination |
| 01/03/2007 | CN2855003Y Device for regulating light of stage |
| 01/03/2007 | CN2855002Y Automatic voltage-stabilization light-constant lighting electric saver |
| 01/03/2007 | CN1891016A System and method for applying power to high intensity discharge lamps |
| 01/03/2007 | CN1889807A Starting system for long-distance driving outdoor gold halogen lamp |
| 01/03/2007 | CN1889228A Non-electrode illuminating apparatus |
| 01/03/2007 | CN1888519A 高光通量冷阴极荧光灯 High flux of cold cathode fluorescent lamps |
| 01/03/2007 | CN1293786C Igniting device for discharge lamp |
| 01/03/2007 | CN1293599C Glowswitch starter |
| 01/03/2007 | CN1293417C Method for controlling electron current in cold-cathode fluorescent tube lighting |
| 01/02/2007 | US7157867 Operating method, electronic ballast and system for resonant operation of high pressure lamps in the longitudinal mode |
| 01/02/2007 | US7157865 Circuit for driving cold cathode tubes and external electrode fluorescent lamps |
| 01/02/2007 | US7157864 Vehicular lamp, cold cathode fluorescent lamp lighting apparatus, and cold cathode fluorescent lamp lighting method |
| 01/02/2007 | US7157863 Device and method for the multi-phase operation of a gas discharge or metal vapor lamp |
| 01/02/2007 | US7157862 Protection device for a chopping supply and a vehicle lighting device |
| 01/02/2007 | US7157860 Control device for flashlight systems in airports |
| 01/02/2007 | US7157859 Lighting device and lighting system |
| 01/02/2007 | US7156525 System and method for managing projector bulb life |
| 01/02/2007 | CA2224300C Discharge lamp driving bridge circuit |
| 12/30/2006 | CA2543516A1 Ballast with output ground-fault protection |
| 12/30/2006 | CA2543336A1 Method for protecting a ballast from an output ground-fault condition |
| 12/28/2006 | WO2006110968A3 Magnetic ballast |
| 12/28/2006 | WO2005117502A3 Simplified electronic ballast circuit and method of operation |
| 12/28/2006 | WO2005048808A3 Hair-removal device and method of using one such device |
| 12/28/2006 | US20060290298 Display apparatus and control method thereof |
| 12/28/2006 | US20060290297 Device for driving light sources |
| 12/28/2006 | US20060290296 Apparatus for driving lamp of liquid crystal display device |
| 12/28/2006 | US20060290295 Electric power supply apparatus and induction heating apparatus |
| 12/28/2006 | US20060290294 Dimmable ballast for an electrodeless discharge lamp |
| 12/28/2006 | US20060290293 Circuit arrangement and method for operating high-pressure discharge lamps |
| 12/28/2006 | US20060290282 Lamp and method of manufacturing the same |
| 12/28/2006 | DE102006026242A1 Entladungsleuchtenzündschaltung Entladungsleuchtenzündschaltung |
| 12/28/2006 | DE102005030007A1 Heating coils preheating method for e.g. electronic fluorescent lamp, involves selecting characteristics of inputs of quadrupoles in such a manner that sufficient voltage in inputs decreases to provide sufficient power for preheating coils |
| 12/28/2006 | DE102005028672A1 Glättungsschaltung zur Verbesserung der EMV Smoothing circuit to improve the EMC |
| 12/28/2006 | DE102005028419A1 Electronic ballast for e.g. coldstarting discharge lamp, has varistor, shutdown device, diode, resistors and integration capacitor connected in parallel for limiting voltage across intermediate circuit capacitor |
| 12/28/2006 | DE102005028418A1 Electronic ballast for operating low pressure discharge lamp has lamp connection attached to alternating current output side which is galvanically separated from alternating current output of converter by means of isolation capacitor |
| 12/28/2006 | DE102005028417A1 Vorrichtung zum Bereitstellen einer sinusförmig amplitudenmodulierten Betriebsspannung, Beleuchtungssystem und Verfahren zum Erzeugen einer amplitudenmodulierten Spannung An apparatus for providing a sinusoidally amplitude-modulated operating voltage, illumination system and method for generating an amplitude-modulated voltage |
| 12/28/2006 | DE102005028239A1 Schaltungsanordnung und Verfahren zum Betrieb von Hochdruck-Entladungslampen Circuit arrangement and method for operating high-pressure discharge lamps |
| 12/27/2006 | EP1737281A2 Electronic Ballast |
| 12/27/2006 | EP1737280A1 Circuit and method of operating high pressure discharge lamps |
| 12/27/2006 | EP1737279A2 Device and method for providing a sinusoidally amplitude modulated operating voltage |
| 12/27/2006 | EP1737278A2 Filtering circuit for improving emi shielding |
| 12/27/2006 | EP1736038A1 Circuit arrangement and method for striking a gas discharge lamp with a time-limited starting phase |
| 12/27/2006 | EP1736037A2 Pfc and ballast control ic |
| 12/27/2006 | EP1327382B1 A system and method for employing pulse width modulation for reducing vertical segregation in a gas discharge lamp |
| 12/27/2006 | CN2852599Y Dimming electronic ballast of gas-discharge lamp |
| 12/27/2006 | CN2852598Y 电子镇流器 Electronic Ballast |
| 12/27/2006 | CN2852595Y Switching type lighting unit control device and controller |
| 12/27/2006 | CN2852386Y Novel high-performance self-ballast fluorescent lamp |
| 12/27/2006 | CN2851837Y Long-life energy-saving elevator lighting lamp |
| 12/27/2006 | CN1887034A A current sharing scheme and device for multiple CCF lamp operation |
| 12/27/2006 | CN1886777A Method and apparatus for image optimization in backlight displays |
| 12/27/2006 | CN1886023A Electric potential balancing of lamp terminal |
| 12/27/2006 | CN1886022A Single-crystal driving device for highly effective gas-discharge lamp |
| 12/27/2006 | CN1886021A Multi lamp tube driving system |
| 12/27/2006 | CN1886020A Driving apparatus for CCFL |
| 12/27/2006 | CN1885376A Display apparatus and control method thereof |
| 12/27/2006 | CN1885127A Backlight module assembly and its light tube device |
| 12/26/2006 | US7154644 Image reader |
| 12/26/2006 | US7154468 Method and apparatus for image optimization in backlit displays |
| 12/26/2006 | US7154233 Converter circuit with coupled inductances having asymmetrical air gap arrangement |
| 12/26/2006 | US7154232 Ballast control IC with multi-function feedback sense |
| 12/26/2006 | US7154228 Ballast for high pressure discharge lamp |
| 12/26/2006 | US7153178 Method of manufacturing a lamp assembly |
| 12/21/2006 | WO2006134712A1 Coil component and display device using same |
| 12/21/2006 | US20060284713 Inductively powered apparatus |
| 12/21/2006 | US20060284574 Backlighting system for display screen |
| 12/21/2006 | US20060284572 Smoothing circuit for improving EMC |
| 12/21/2006 | US20060284571 Apparatus for providing a sinusoidally amplitude-modulated operating voltage, lighting system and method for generating an amplitude-modulated voltage |
| 12/21/2006 | US20060284570 Driving apparatus for ccfl |
| 12/21/2006 | US20060284569 Balanced circuit for multi-LED driver |
| 12/21/2006 | US20060284568 Power supply system for flat panel display devices |
| 12/21/2006 | US20060284567 Primary side constant output voltage controller |
| 12/21/2006 | US20060284564 Method and device for ballast management in particular for a motor vehicle headlamp |
| 12/21/2006 | CA2550700A1 Smoothing circuit for improving emc |
| 12/20/2006 | EP1734797A1 Method and apparatus of controlling a ballast in particular of car lamps |
| 12/20/2006 | EP1734796A1 Display apparatus and power supplying apparatus for lamp unit thereof |
| 12/20/2006 | EP1734561A2 High power cold cathode straight fluorescent lamp |
| 12/20/2006 | EP1733598A1 Circuit arrangement |
| 12/20/2006 | EP1483945B1 Ignition circuit for a high pressure discharge lamp |
| 12/20/2006 | CN2850200Y Switch type light modulator mated with step light modulating fluorescent lamp |
| 12/20/2006 | CN2850199Y Jump gradual magic colour light source for flourescent lamp |
| 12/20/2006 | CN2850198Y Energy-saving lamp with sensor |
| 12/20/2006 | CN2847898Y Far infrared warming waistband |
| 12/20/2006 | CN1883239A Method and device for driving a metal halide lamp |
| 12/20/2006 | CN1883238A Discharge lamp ballast with detection of abnormal discharge outside the arc tube |
| 12/20/2006 | CN1883237A Lighting device of discharge lamp, illumination apparatus and illumination system |
| 12/20/2006 | CN1883236A Dimming control techniques using self-excited gate circuits |
| 12/20/2006 | CN1883235A Electrodeless discharge lamp lighting apparatus and illuminating apparatus |
| 12/20/2006 | CN1883107A Dimmable ballast with resistive input and low electromagnetic interference |
| 12/20/2006 | CN1882216A 节能灯电路 Energy-saving lamp circuit |
| 12/20/2006 | CN1882215A Circuit and method of operating high pressure discharge lamps |
| 12/20/2006 | CN1882214A Electronic ballast for at least one lamp |
| 12/20/2006 | CN1882213A Multi-phase input dimming ballast with flyback converter and method therefor |
| 12/20/2006 | CN1882212A Time control circuit for backlight inverter |
| 12/20/2006 | CN1882211A Driving apparatus for CCFL |
| 12/20/2006 | CN1882210A 电源供应系统 Power supply system |
| 12/20/2006 | CN1882209A Electric lamp and lighting system, and method for operating said electric lamp and lighting system |
| 12/20/2006 | CN1881527A Initial discharge excitation device of plasma lighting device |
| 12/20/2006 | CN1880835A Phosphor converted light source |