| Patents for H05B 41 - Circuit arrangements or apparatus for igniting or operating discharge lamps (35,100) |
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| 01/17/2007 | CN1897782A Illuminating system and its operating method |
| 01/17/2007 | CN1897781A Feedback circuit of push countercurrent device |
| 01/17/2007 | CN1897779A 光电控制器 Optical Controller |
| 01/16/2007 | US7164364 Swimming pool spotlight lighting system |
| 01/16/2007 | US7164241 Method and apparatus for driving a gas discharge lamp |
| 01/16/2007 | US7164240 Method and apparatus for driving an external electrode fluorescent lamp |
| 01/16/2007 | US7164239 Discharge lamp ballast circuit |
| 01/16/2007 | US7164238 Energy savings device and method for a resistive and/or an inductive load and/or a capacitive load |
| 01/16/2007 | US7164237 Circuit arrangement for operating discharge lamps |
| 01/16/2007 | US7164110 Diode-based light sensors and methods |
| 01/11/2007 | WO2007005164A2 System and method for power supply for lamp with improved constant power mode control and improved boost current circuit |
| 01/11/2007 | WO2007004191A1 Gas discharge lamp ignition |
| 01/11/2007 | WO2007004114A1 Method for driving a high-pressure gas discharge lamp of a projector system |
| 01/11/2007 | WO2007004101A1 Method of driving a discharge lamp in a projection system, and driving unit |
| 01/11/2007 | WO2007003171A1 Device and method for operating a high-pressure discharge lamp |
| 01/11/2007 | WO2007003042A1 Compensation for photo sensor |
| 01/11/2007 | WO2007003037A1 Method and system for controling a luminaire |
| 01/11/2007 | WO2007003036A1 Method and system for luminance characterization |
| 01/11/2007 | WO2006114175A3 Parameterizable digital pfc (power factor correlation) |
| 01/11/2007 | WO2006103623B1 Electrodeless discharge lamp lighting device and lighting apparatus |
| 01/11/2007 | US20070008751 DC-AC converter, and method for supplying AC power |
| 01/11/2007 | US20070007913 Discharge lamp lighting circuit |
| 01/11/2007 | US20070007912 Power output device with protection function for short circuit and overload |
| 01/11/2007 | US20070007911 High-reliability light fixture and method |
| 01/11/2007 | US20070007910 Current balancing techniques for fluorescent lamps |
| 01/11/2007 | US20070007909 Equalizing discharge lamp currents in circuits |
| 01/11/2007 | US20070007908 Current balancing technique with magnetic integration for fluorescent lamps |
| 01/11/2007 | US20070007907 Auxiliary quartz lamp lighting system for electronic high intensity discharge lamp ballasts |
| 01/11/2007 | US20070007906 Rare gas fluorescent lamp apparatus |
| 01/11/2007 | US20070007905 Low frequency triggered electronic ballast |
| 01/11/2007 | US20070007904 Current detector circuit |
| 01/11/2007 | US20070007901 Dc/dc converter for supplying two gas discharge lamps |
| 01/11/2007 | US20070007899 Electric power supply for at least two electrodes |
| 01/11/2007 | US20070007431 System, display apparatus and method for providing controlled illumination using internal reflection |
| 01/11/2007 | DE202006017822U1 Protective circuit for drive and/or driver unit of discharge lamp, has protective unit to receive and transfer disturbing condition signals to control units, such that control circuit effects break of current output to terminals of lamp |
| 01/11/2007 | DE10117582B4 Vorschaltgeräteeinheit für Leuchten in Lichtmasten Ballast for lamps in lighting columns |
| 01/11/2007 | CA2614004A1 Device and method for operating a high-pressure discharge lamp |
| 01/11/2007 | CA2612801A1 Compensation for photo sensor |
| 01/11/2007 | CA2612797A1 Method and system for controlling a luminaire |
| 01/11/2007 | CA2612792A1 Method and system for luminance characterization |
| 01/10/2007 | EP1742518A2 Method for protecting a ballast from an output ground-fault condition |
| 01/10/2007 | EP1742517A2 Ballast with circuit for detecting and eliminating an unwanted arc condition |
| 01/10/2007 | EP1742516A2 Device and method for operating at least one lamp |
| 01/10/2007 | EP1741320A1 Circuit arrangement for operating high pressure discharge lamps and operating method for a high pressure discharge lamp |
| 01/10/2007 | EP1741319A1 Device for generation of voltage pulse sequences in particular for operation of capacitive discharge lamps |
| 01/10/2007 | EP1289346B1 Device for driving discharge lamp |
| 01/10/2007 | CN2857406Y High efficiency energy saving electronic ballast |
| 01/10/2007 | CN2857405Y High efficiency energy saving illumination circuit |
| 01/10/2007 | CN2856711Y 冷阴极日光灯 Cold cathode fluorescent lamps |
| 01/10/2007 | CN1895009A Apparatus and method for providing dimming control of lamps and electrical lighting systems |
| 01/10/2007 | CN1895008A Electronic ballast with open circuit voltage regulation |
| 01/10/2007 | CN1895007A Method and circuit arrangement for operating a discharge lamp |
| 01/10/2007 | CN1895006A High pressure discharge lamp lighting device and lighting fixture |
| 01/10/2007 | CN1893761A 放电灯点灯电路 Discharge lamp lighting circuit |
| 01/10/2007 | CN1893760A Device and method for providing a sinusoidally amplitude modulated operating voltage |
| 01/10/2007 | CN1893759A Smoothing circuit for improving EMC |
| 01/10/2007 | CN1893758A Shutdown circuit |
| 01/10/2007 | CN1893757A Circuit arrangement and method for controlling the power of an electronic ballast in dependence of the line voltage |
| 01/10/2007 | CN1893756A Display apparatus |
| 01/10/2007 | CN1893755A Device for equalizing discharge lamp currents in circuits, and system and method therefor |
| 01/10/2007 | CN1892971A Cold cathode fluorescent lamp, liquid crystal display apparatus, related equipment and control method thereof |
| 01/10/2007 | CN1892354A Backlight unit and temperature control method thereof |
| 01/10/2007 | CN1294786C Operation device for detecting filament breakage gas discharge lamp |
| 01/09/2007 | US7161310 Backlight apparatus for liquid crystal display |
| 01/09/2007 | US7161308 High-voltage discharge lamp operating device |
| 01/09/2007 | US7161307 Power factor correction apparatus with embedded DC—DC converter |
| 01/09/2007 | US7161306 Multi-phase input ballast with dimming and method therefor |
| 01/09/2007 | US7161305 Method and apparatus for single-ended conversion of DC to AC power for driving discharge lamps |
| 01/09/2007 | US7161303 Plasma lighting system and bulb therefor |
| 01/09/2007 | US7161302 High lamp-power lighting system and fluorescent lamp |
| 01/07/2007 | CA2551534A1 Circuit arrangement and method for operating at least one electric lamp |
| 01/04/2007 | WO2007001776A1 High pressure lamp with lamp flicker suppression and lamp voltage control |
| 01/04/2007 | WO2007000859A1 Fluorescent lamp, backlight unit and liquid crystal television |
| 01/04/2007 | WO2007000684A1 Lamp driving device |
| 01/04/2007 | WO2006114730A3 Electronic lamp identification system |
| 01/04/2007 | WO2006105075A3 Light source module |
| 01/04/2007 | US20070001993 Plasma display and power module |
| 01/04/2007 | US20070001624 System and method for power supply for lamp with improved constant power mode control and improved boost current circuit |
| 01/04/2007 | US20070001623 Lamp End of Life Indicator |
| 01/04/2007 | US20070001622 Balance transformer |
| 01/04/2007 | US20070001621 Multiple lamp balance transformer and drive circuit |
| 01/04/2007 | US20070001620 Display apparatus |
| 01/04/2007 | US20070001619 Load driving device and load driving method |
| 01/04/2007 | US20070001618 Driving apparatus for lamp of liquid crystal display device |
| 01/04/2007 | US20070001617 Electronic lighting ballast |
| 01/04/2007 | US20070001614 Plasma lamp with dielectric waveguide |
| 01/04/2007 | US20070001573 Assembly of a fluorescent lamp and an extension means |
| 01/04/2007 | DE4428850B4 Schaltungsanordnung zum Steuern des Lampenstroms einer Hochdruck-Entladungslampe Circuit arrangement for controlling the lamp current of a high-pressure discharge lamp |
| 01/04/2007 | DE19983865B4 Elektrisches Vorschaltgerät für eine Entladungslampe Electric ballast for a discharge lamp |
| 01/04/2007 | DE19680254B4 Entladungslampenzündeinrichtung Discharge lamp lighting |
| 01/04/2007 | DE102006027687A1 Lampensteuervorrichtung und Steuerverfahren dafür Lamp control apparatus and control method thereof |
| 01/04/2007 | DE10013757B4 Vorschaltgerät für eine Entladungslampe Ballast for a discharge lamp |
| 01/03/2007 | EP1740023A2 Ballast with output ground-fault protection |
| 01/03/2007 | EP1740022A1 Discharge lamp operation device, lighting device, and lighting system |
| 01/03/2007 | EP1740021A2 A lamp end of life indicator |
| 01/03/2007 | EP1740020A2 Circuit and method for operating at least one Led and at least one discharge lamp |
| 01/03/2007 | EP1738619A1 Electronic lamp ballast comprising a digital control system for controlling dimming processes |
| 01/03/2007 | EP1738618A1 Control circuit for converters |
| 01/03/2007 | EP1404161B1 Discharge lamp igniter device and projector device |
| 01/03/2007 | EP1190603B1 Electronic ballast and method of manufacturing same |