| Patents for H05B 41 - Circuit arrangements or apparatus for igniting or operating discharge lamps (35,100) |
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| 12/11/2008 | US20080303456 High Efficiency Power Controller for Solid State Lighting |
| 12/11/2008 | US20080303455 Method for Driving of a Fluorescent Lighting and a Ballast Stabilizer Circuit for Performing the Same |
| 12/11/2008 | US20080303454 Fluorescent Tube Lamp Drive Circuit |
| 12/11/2008 | US20080303452 Led Lighting Device |
| 12/11/2008 | US20080303451 Radio-frequency dimmer having a slider control |
| 12/11/2008 | US20080303450 Method and Circuit for Driving a Gas Discharge Lamp |
| 12/11/2008 | US20080303448 Dielectric barrier discharge lamp system and driving method thereof having relatively better performance in startup and re-startup of dimming |
| 12/11/2008 | US20080303447 Inverter apparatus |
| 12/11/2008 | DE202008012438U1 Fotoblitzgerät Photo flash |
| 12/11/2008 | DE102007026317A1 Hochdruckentladungslampe mit verbesserter Zündvorrichtung sowie Zündvorrichtung für eine Gasentladungslampe High-pressure discharge lamp ignition device as well as having improved igniter for a gas discharge lamp |
| 12/11/2008 | DE102007026306A1 Verfahren zur Herstellung von keramischen Spiral-Puls-Generatoren und Gasentladungslampen mit solchen Generatoren A method for producing ceramic spiral pulse generators and gas discharge lamps with such generators |
| 12/10/2008 | EP2000850A1 Projector and driving method of light source for projector |
| 12/10/2008 | EP2000011A1 Operating appliance for a lighting device |
| 12/10/2008 | EP2000010A1 Switch-off time regulation system for an inverter for driving a lamp |
| 12/10/2008 | EP2000009A1 Device for removing and fitting starters for fluorescent lamps |
| 12/10/2008 | EP1999773A1 Method for producing an electrically insulating cast body and a base for a lamp |
| 12/10/2008 | EP1946002A4 Lighting device |
| 12/10/2008 | EP1652413B1 System and method for reducing flicker of compact gas discharge lamps at low lamp light output level |
| 12/10/2008 | EP1405551B1 Programmable pwm module for controlling a ballast |
| 12/10/2008 | EP1372363B1 Electric discharge lamp and electric discharge lamp drive apparatus |
| 12/10/2008 | CN201163837Y Abnormal voltage conversion and battery timing discharging controller of emergency lamp |
| 12/10/2008 | CN201162966Y Wide range continuous light regulation non-stroboscopic energy-saving desk lamp |
| 12/10/2008 | CN101322445A System and method for operating a gas discharge lamp and method of use thereof |
| 12/10/2008 | CN101321425A Flash-induction mode control method and device of synchroflash |
| 12/10/2008 | CN101321424A Hot cathode fluorescent lamp filament current control circuit |
| 12/10/2008 | CN101321423A Road lamp electric ballast |
| 12/10/2008 | CN101321422A Cold cathode fluorescent lighting discharge tube device |
| 12/10/2008 | CN101320672A Induction non-polar light source |
| 12/10/2008 | CN101320200A Projector and driving method of light source for projector |
| 12/10/2008 | CN101320194A Flash lamp control system and method |
| 12/10/2008 | CN101319762A Discharge lamp lighting unit |
| 12/10/2008 | CN100442433C Microwave lighting device and lighting method |
| 12/10/2008 | CN100441942C Discharge lamp lighting device and illiminator |
| 12/09/2008 | US7462995 Transistorized, voltage-controlled dimming circuit |
| 12/09/2008 | US7462992 Starter circuit having regulated starter voltage |
| 12/09/2008 | US7462978 Apparatus and method for generating ultraviolet radiation |
| 12/09/2008 | CA2299864C High-pressure discharge lamp having a base at one end and a starting device integrated in the base |
| 12/06/2008 | CA2625396A1 Inline quick disconnect system with strain relief |
| 12/04/2008 | WO2008147903A1 Control of delivery of current through one or more discharge lamps |
| 12/04/2008 | WO2008146974A1 Hybrid ballast for driving triode carbon nano tube lamp |
| 12/04/2008 | WO2008082805A3 Lamp transformer assembly |
| 12/04/2008 | US20080298054 Lamp Assembly |
| 12/04/2008 | US20080297956 Electronic Ballast Protection |
| 12/04/2008 | US20080297739 Projector and driving method of light source for projector |
| 12/04/2008 | US20080297735 Lamp driving method |
| 12/04/2008 | US20080297067 Power regulation for led strings |
| 12/04/2008 | US20080297065 Dual mode searchlight dimming controller systems and methods |
| 12/04/2008 | US20080297063 Power gating of circuits |
| 12/04/2008 | US20080297061 HID lighting control with transient voltage sensing and lamp restarting, and method of making and using |
| 12/04/2008 | DE102007025421A1 Ignition module for gas discharge lamp, has ignition transformer with non-closed core and coil body surrounding part of core and magnetic material is spaced from core |
| 12/04/2008 | DE102007025192A1 Power supply unit for gas-discharge lamp of motor vehicle, has comparator comparing value with another value that represents primary current flowing through primary coil, where latter value depends on primary voltage at transformer input |
| 12/04/2008 | DE102007024890A1 Hochspannungsgenerator und Hochdruckentladungslampe mit derartigem Generator High voltage generator and high-pressure discharge lamp with such generator |
| 12/03/2008 | EP1997357A2 Ignition and operation of electronic high intensity discharge lamps |
| 12/03/2008 | EP1836882B1 Electronic ballast |
| 12/03/2008 | EP1488668B1 Electronic power circuit for gas discharge lamps |
| 12/03/2008 | CN201160334Y Energy conserving lamp with adjustable light of cold cathode |
| 12/03/2008 | CN201160067Y High frequency electrodeless fluorescent lamp |
| 12/03/2008 | CN201158341Y Anti-theft anti-robber SOS signal lamp |
| 12/03/2008 | CN101317324A Power supply device and light-emitting device and electronic equipment using such power supply device |
| 12/03/2008 | CN101316471A Duplex cooperation light modulation method of cold-cathode lamp, and control device of light modulation system |
| 12/03/2008 | CN101316470A Magnet ring frequency changer and electric ballast with the same |
| 12/03/2008 | CN101316073A Driving device and method |
| 12/03/2008 | CN101315866A Electrodeless lamp equipped with ventilation, heat insulation and heat radiation device |
| 12/03/2008 | CN101315861A Fluorescent lamp |
| 12/03/2008 | CN101315407A Solar simulator |
| 12/03/2008 | CN101315153A Power-saving device of single lamp stand of road lamp |
| 12/03/2008 | CN100440707C Lamp transformer for use with an electronic dimmer and method for use thereof for reducing acoustic noise |
| 12/03/2008 | CN100440298C Method and apparatus for driving liquid crystal display |
| 12/03/2008 | CN100440007C Apparatus for monitoring a lamp, system having the same for monitoring a lamp, blacklight assembly having the same and liquid crystal display apparatus having the same |
| 12/02/2008 | US7459866 DC to DC conversion circuit with variable output voltage |
| 12/02/2008 | US7459864 Power control methods and apparatus |
| 12/02/2008 | US7459863 Transformer and multi-lamp driving circuit using the same |
| 11/27/2008 | WO2008142943A1 Discharge tube power supply device and semiconductor integrated circuit |
| 11/27/2008 | WO2008142608A1 Self-oscillated half-bridge converter circuit |
| 11/27/2008 | WO2008113480A3 Starter housing for fluorescent tubes |
| 11/27/2008 | US20080291673 Illumination device |
| 11/27/2008 | US20080291155 Liquid crystal display device |
| 11/27/2008 | US20080290819 Light-emitting device driver circuits and related applications |
| 11/27/2008 | US20080290817 LED Indicator Device for AC Power Plug or Socket |
| 11/27/2008 | US20080290816 Aquarium lighting device |
| 11/27/2008 | US20080290815 Light source driver |
| 11/27/2008 | US20080290814 Power Controls for Tube Mounted Leds With Ballast |
| 11/27/2008 | US20080290813 Electronically controlling acoustic energy from piezoelectric transformers |
| 11/27/2008 | US20080290812 Transformer Driver and Transformer Driving Method |
| 11/27/2008 | US20080290808 Power supply apparatus for arc-generating load |
| 11/27/2008 | US20080290806 Cathode potential control device, self-luminous display device, electronic equipment and cathode potential control method |
| 11/27/2008 | US20080290804 Temperature dependant LED current controller |
| 11/26/2008 | EP1995997A2 Discharge lamp lighting apparatus |
| 11/26/2008 | EP1994806A1 Method of driving a discharge lamp, and driving unit |
| 11/26/2008 | EP1994805A1 Circuit arrangement and method for operating a high-pressure discharge lamp |
| 11/26/2008 | EP1994804A1 Circuit arrangement having a transformation apparatus and operating method for a lamp using a circuit arrangement having a transformation apparatus |
| 11/26/2008 | CN201156842Y Tunable energy-saving ballast for fluorescent lamp |
| 11/26/2008 | CN201156841Y High power self-activating high frequency electronic blast |
| 11/26/2008 | CN201156840Y High power electronic ballast of ultraviolet ray strip lamp |
| 11/26/2008 | CN201156839Y Ultra-compact ballast for energy-saving lamp |
| 11/26/2008 | CN201156838Y Wireless electronic ballast |
| 11/26/2008 | CN201156837Y Inductance capacitance ballast |
| 11/26/2008 | CN201156710Y Frequency overlapping control apparatus of semi-bridge/full-bridge circuit |
| 11/26/2008 | CN201156524Y Factory lamp of high-frequency electrodeless magnetic lamp |
| 11/26/2008 | CN201156412Y Display backlight electric power inverter having automatic regulating and outputting function |