| Patents for H05B 41 - Circuit arrangements or apparatus for igniting or operating discharge lamps (35,100) |
|---|
| 05/07/2009 | WO2009057169A1 A system for feeding light sources subject to dimming and corresponding method |
| 05/07/2009 | WO2009056431A2 A ballast circuit |
| 05/07/2009 | WO2007005601A3 Power source apparatus |
| 05/07/2009 | WO2006109313A3 Field configurable ballast |
| 05/07/2009 | US20090115974 High pressure discharge lamp operation device, light source device, and projection type image display device |
| 05/07/2009 | US20090115347 Current control circuit, led current control apparatus, and light emitting apparatus |
| 05/07/2009 | US20090115343 LED Power Regulator with High-Speed LED Switching |
| 05/07/2009 | US20090115342 Lighting System for Illumination Using Cold Cathode Fluorescent Lamps |
| 05/07/2009 | US20090115341 Lamp driving circuit |
| 05/07/2009 | US20090115340 Method and system for eliminating dc bias on electrolytic capacitors and shutdown detecting circuit for current fed ballast |
| 05/07/2009 | US20090115339 Apparatus and Method for Controlling Driving of Lamp |
| 05/07/2009 | DE102007053027A1 Xenon gas discharge lamp impulse supply device for illumination of solar cells to measure maximum power point, has power source with capacitors interconnected to delay line with inductors |
| 05/07/2009 | DE102007052669A1 Control input controlling method for e.g. FET in ballast for high-intensity discharge lamp, involves switching on/off control input via transmission of current or voltage impulses of control unit as clock pulse source |
| 05/07/2009 | DE102005006665B4 Vorschaltgerät für eine Entladungslampe Ballast for a discharge lamp |
| 05/07/2009 | CA2704195A1 Two-wire dimmer circuit for a screw-in compact fluorescent lamp |
| 05/07/2009 | CA2703371A1 Circuit with improved efficiency and crest factor for current fed bipolar junction transistor (bjt) based electronic ballast |
| 05/06/2009 | EP2056652A1 Battery-powered fluorescent lamp |
| 05/06/2009 | EP2056651A1 Discharge lamp lighting device and luminaries |
| 05/06/2009 | EP2055153A2 Method of driving a discharge lamp, driving arrangement, an projector system |
| 05/06/2009 | EP2055151A1 Bi-chromatic illumination apparatus |
| 05/06/2009 | EP2054919A1 A lighting device |
| 05/06/2009 | EP1929365A4 Motion picture projector with electrodeless light source |
| 05/06/2009 | EP1902598B1 Circuit arrangement and method for operating at least one electric lamp |
| 05/06/2009 | EP1872633B1 Electronic reactive current oscillation-reducing ballast |
| 05/06/2009 | CN201234397Y Self-coupling voltage regulating transformer type contactless stepped voltage lowering electricity economizer for low voltage lighting |
| 05/06/2009 | CN201234396Y High-efficiency energy-saving lamp |
| 05/06/2009 | CN201234372Y Electric conversion architecture |
| 05/06/2009 | CN101427610A Automotive high intensity discharge lamp ballast circuit |
| 05/06/2009 | CN101426325A Output voltage external controlling circuit for isolation type switch power circuit |
| 05/06/2009 | CN101426324A Fluorescent lamp starting process controlling circuit and control method therefor |
| 05/06/2009 | CN101426323A Backlight driver and liquid crystal display device including the same |
| 05/06/2009 | CN101426322A 镇流器电路 Ballast circuit |
| 05/06/2009 | CN101426321A A starter |
| 05/06/2009 | CN101426320A Driving system for electronic device and current balancing circuit thereof |
| 05/06/2009 | CN101426319A Built-in electricity saving device for fluorescent lamp |
| 05/06/2009 | CN101424379A Battery-powered fluorescent lamp |
| 05/06/2009 | CN100486401C DC type fluorescent lamp light-regulator |
| 05/06/2009 | CN100486400C Method able to trigger various high strength discharging lights and its triggering circuit |
| 05/06/2009 | CN100486092C Driving circuit used as inverter and display device |
| 05/05/2009 | US7528557 Electronic controller for high-power gas discharging lamp |
| 05/05/2009 | US7528554 Electronic ballast having a boost converter with an improved range of output power |
| 05/05/2009 | US7528551 LED control system |
| 04/30/2009 | WO2009054319A1 Load control device, and lighting device |
| 04/30/2009 | WO2009053226A1 Method and device for operating a gas discharge lamp |
| 04/30/2009 | WO2009052868A1 Electronic ballast for a discharge lamp |
| 04/30/2009 | WO2009052690A1 Flash lamp for photography |
| 04/30/2009 | WO2009027921A3 Ignition unit for igniting a discharge lamp |
| 04/30/2009 | WO2009022804A3 Planar light-source pulse-type driving circuit adopting a transformer |
| 04/30/2009 | US20090109665 Device and method for generating stable, consistent, and high intensity oblong light |
| 04/30/2009 | US20090109353 Lighting Device with Indicator |
| 04/30/2009 | US20090109164 Backlight apparatus and liquid crystal display apparatus having the same |
| 04/30/2009 | US20090108777 Devices and systems that deliver nitric oxide |
| 04/30/2009 | US20090108774 Backlight unit and liquid crystal display apparatus having the same |
| 04/30/2009 | US20090108773 Current Distributor |
| 04/30/2009 | US20090108771 Driving system for electronic device and current balancing circuit thereof |
| 04/30/2009 | US20090108770 Light source, projector, and method for driving light source |
| 04/30/2009 | US20090108768 Backlight control device and method for controlling a driving current of an led |
| 04/30/2009 | US20090108767 Dc/dc Converter Device and Discharge Lamp Lighting Device |
| 04/30/2009 | US20090108766 Circuit with improved efficiency and crest factor for current fed bipolar junction transistor (bjt) based electronic ballast |
| 04/30/2009 | US20090108765 Two-wire dimmer circuit for a screw-in compact fluorescent lamp |
| 04/30/2009 | US20090108764 Starting fluorescent lamps with a voltage fed inverter |
| 04/30/2009 | US20090108762 Lighting System |
| 04/30/2009 | US20090108758 Battery-powered fluorescent lamp |
| 04/30/2009 | DE102007051632A1 Irradiation apparatus for cosmetic or medical body browning, has lamp strands of respective group switched parallel to each other between two conductors, and strands of different groups switched between different conductors |
| 04/30/2009 | DE102007050633A1 Verfahren und Vorrichtung zum Betreiben einer Gasentladungslampe Method and device for operating a gas discharge lamp |
| 04/30/2009 | CA2639447A1 Battery-powered fluorescent lamp |
| 04/29/2009 | EP2053904A1 Energy saving and immediate ignition artificial lighting apparatus |
| 04/29/2009 | EP2053903A1 Trouble detecting circuit |
| 04/29/2009 | EP2052590A2 Methods of and driving units for driving a gas discharge lamp |
| 04/29/2009 | EP2052589A2 Lighting device and lighting method |
| 04/29/2009 | CN201230398Y Intelligent control system for classroom illumination energy-saving |
| 04/29/2009 | CN201230397Y Electronic ballast and illuminating system using the electronic ballast |
| 04/29/2009 | CN201230396Y Full digital high pressure xenon vapor lamp controller |
| 04/29/2009 | CN201230395Y 智能无极灯 Intelligent lamp |
| 04/29/2009 | CN201230394Y Energy-saving type florescent lamp |
| 04/29/2009 | CN201229926Y Electrodeless gas discharge lamp |
| 04/29/2009 | CN201229924Y High frequency electrodeless lamp apparatus |
| 04/29/2009 | CN201229922Y Energy saving lamp capable of starting under low temperature environment |
| 04/29/2009 | CN101422087A Method for dimming a light generating system for generating light with a variable color |
| 04/29/2009 | CN101422086A Circuit arrangement and method for operating a discharge lamp |
| 04/29/2009 | CN101422085A Reduced power loss in electronic ballasts |
| 04/29/2009 | CN101422084A Discharge lamp lighting device |
| 04/29/2009 | CN101422083A Discharge tube lighting device |
| 04/29/2009 | CN101422082A Superimposed-type device for a ballast |
| 04/29/2009 | CN101422081A Superimposed-type ignition device for high-pressure discharge lamps |
| 04/29/2009 | CN101421801A High-voltage pulse generator, and lighting apparatus and vehicle having the same |
| 04/29/2009 | CN101420814A Multichannel lamp light control system and method |
| 04/29/2009 | CN101420813A Digital addressable illumination control system and method thereof |
| 04/29/2009 | CN101420812A Safe ballast device |
| 04/29/2009 | CN101420811A Vehicular HID lamp ballast for implementing soft switch PWM technique based on digital control |
| 04/29/2009 | CN101420810A Lighting device and illumination apparatus |
| 04/29/2009 | CN101420809A Fault detection circuit |
| 04/29/2009 | CN101420808A Integrated high voltage pack for xenon lamp |
| 04/29/2009 | CN101419899A Sensor, system, and method for an ultraviolet lamp system |
| 04/29/2009 | CN100484359C Drive device of discharge lamp having switch releasing in electrode helix proheating |
| 04/29/2009 | CN100484358C Circuit device for poleless discharge lamp |
| 04/29/2009 | CN100483915C Integrated circuit driver with stable bootstrap power supply |
| 04/29/2009 | CN100483606C Optical source apparatus |
| 04/29/2009 | CN100483255C Infrared light source based on microelectronic mechanical system technique and its preparing method |
| 04/28/2009 | US7525261 Circuit arrangement for operating a high pressure discharge lamp |