| Patents for H05B 41 - Circuit arrangements or apparatus for igniting or operating discharge lamps (35,100) |
|---|
| 06/27/2007 | CN1989540A Uniform back-lighting device and display device therewith |
| 06/27/2007 | CN1988751A Control method and its device for high voltage gas discharge lamp light intensity |
| 06/27/2007 | CN1988750A Power supply device |
| 06/27/2007 | CN1988075A Power transformer combined with balance winding and its application circuit |
| 06/27/2007 | CN1323419C Electrodeless lighting apparatus using microwave and method for controlling power thereof |
| 06/26/2007 | US7236384 Frequency feedforward for constant light output in backlight inverters |
| 06/26/2007 | US7236377 DC-AC converter and controller IC therefor |
| 06/26/2007 | US7236375 DC/AC converter and its controller IC |
| 06/26/2007 | US7236155 Backlight driving circuit |
| 06/26/2007 | US7235932 High efficiency ballast for gas discharge lamps |
| 06/26/2007 | US7235931 Discharge lamp lighting apparatus for lighting multiple discharge lamps |
| 06/26/2007 | CA2254566C Backlight device for a liquid crystal display |
| 06/21/2007 | WO2007069481A1 Discharge lamp ignition device |
| 06/21/2007 | WO2007069394A1 Discharge lamp operating device |
| 06/21/2007 | WO2007068635A1 Device for improving the electromagnetic compatibility of a high-pressure discharge lamp |
| 06/21/2007 | WO2007068622A1 Circuit arrangement and method for the operation of at least one first and a second lamp |
| 06/21/2007 | WO2007068604A1 Circuit arrangement and method for the operation of a high-pressure gas discharge lamp |
| 06/21/2007 | WO2007068603A1 Circuit arrangement and method for the operation of high-pressure gas discharge lamps |
| 06/21/2007 | WO2007068601A1 Circuit arrangement and method for the operation of high-pressure gas discharge lamps |
| 06/21/2007 | WO2007068042A1 Current zero crossing detector in a dimmer circuit |
| 06/21/2007 | WO2007068040A1 A universal dimmer |
| 06/21/2007 | WO2004114362A3 Low voltage gas discharge lamp |
| 06/21/2007 | US20070139550 Method and device for controlling quantity of light from flash lamp externally attached to digital camera |
| 06/21/2007 | US20070138979 LED illumination unit, projection display device using the same, and method of operating LED illumination unit |
| 06/21/2007 | US20070138978 Conversion of solid state source output to virtual source |
| 06/21/2007 | US20070138976 Dielectric barrier discharge lamp drive circuit |
| 06/21/2007 | US20070138975 Discharge lamp lighting apparatus and lamp system using the lighting apparatus |
| 06/21/2007 | US20070138974 Interface for lamp operating units with low standby losses |
| 06/21/2007 | US20070138972 Ballast for at least one fluorescent high pressure discharge lamp, method for operating said lamp and lighting system comprising said lamp |
| 06/21/2007 | US20070138970 Lamp driver using solar cells |
| 06/21/2007 | US20070138969 Circuit arrangement |
| 06/21/2007 | DE202007004225U1 Elektronische Schaltung zur Erzeugung eines Zündimpulses An electronic circuit for generating an ignition pulse |
| 06/21/2007 | DE19702485B4 Objektivmechanismus für eine Kamera Lens mechanism for a camera |
| 06/21/2007 | DE102005060345A1 Schaltungsanordnung und Verfahren zum Betreiben mindestens einer ersten und einer zweiten Lampe Circuit arrangement and method for operating at least a first and a second lamp |
| 06/21/2007 | DE102005059764A1 Schaltungsanordnung und Verfahren zum Betreiben einer Hochdruck-Gasentladungslampe Circuit arrangement and method for operating a high-pressure gas discharge lamp |
| 06/21/2007 | DE102005059763A1 Schaltungsanordnung und Verfahren zum Betreiben von Hochdruck-Gasentladungslampen Circuit arrangement and method for operating high-pressure gas discharge lamps, |
| 06/21/2007 | DE102005059762A1 Schaltungsanordnung und Verfahren zum Betreiben von Hochdruck-Gasentladungslampen Circuit arrangement and method for operating high-pressure gas discharge lamps, |
| 06/21/2007 | CA2633860A1 Circuit arrangement and method for operating at least one first and a second lamp |
| 06/21/2007 | CA2633452A1 Circuit arrangement and method for the operation of a high-pressure gas discharge lamp |
| 06/21/2007 | CA2633451A1 Circuit arrangement and method for operating high-pressure gas discharge lamps |
| 06/21/2007 | CA2633449A1 Circuit arrangement and method for the operation of high-pressure gas discharge lamps |
| 06/20/2007 | EP1799017A1 Light for protection class 2 |
| 06/20/2007 | EP1798752A1 Light source device |
| 06/20/2007 | EP1797745A1 Ignition circuit and method for a discharge lamp |
| 06/20/2007 | EP1797744A1 Block dimming for hid lamps |
| 06/20/2007 | CN2914573Y Remote-control light-modulating switch of controllable energy-saving lamp |
| 06/20/2007 | CN2914572Y One-drawing-two type fluorescent lamp electronic inverter |
| 06/20/2007 | CN2914571Y Electronic ballast of head lamp of vehicle |
| 06/20/2007 | CN2914570Y 电子镇流器 Electronic Ballast |
| 06/20/2007 | CN2914569Y Infrared remote-control electronic ballast |
| 06/20/2007 | CN2914568Y Circuit for improving input characteristic of electronic energy-saving lamp |
| 06/20/2007 | CN2914567Y Multifunctional lamp-socket type rectifier |
| 06/20/2007 | CN2914566Y Highlighting device of indicator lamp of high-voltage electriferous display |
| 06/20/2007 | CN2914565Y Intelligent segmented light-modulation electronic ballast |
| 06/20/2007 | CN1985548A 电子镇流器保护 Electronic ballasts protection |
| 06/20/2007 | CN1984521A Protector of electronic positioner |
| 06/20/2007 | CN1984520A Modular protector of electronic positioner |
| 06/20/2007 | CN1984518A Low-voltage power supply circuit for illumination, and low-voltage power supply output method and illumination device |
| 06/20/2007 | CN1983787A DC/AC conversion driving circuit |
| 06/20/2007 | CN1322791C Discharge lamp igniting device lighting device |
| 06/19/2007 | US7233509 Parallel operating system of DC-AC converters and controller IC therefor |
| 06/19/2007 | US7233222 Inductively powered apparatus |
| 06/19/2007 | US7233117 Inverter controller with feed-forward compensation |
| 06/19/2007 | US7233115 LED-based lighting network power control methods and apparatus |
| 06/19/2007 | US7233113 Power supply system for liquid crystal monitors |
| 06/14/2007 | WO2007067718A1 Apparatus and method for controlling the filament voltage in an electronic dimming ballast |
| 06/14/2007 | WO2007065814A1 Method for the detection of a fault during the operation of high-pressure discharge lamps on ballasts |
| 06/14/2007 | WO2007029996A3 Energy conservation using an improved electronic scanning circuit |
| 06/14/2007 | US20070133240 Power converter with digital signal processor |
| 06/14/2007 | US20070132704 System and method for applying power to high intensity discharge lamps |
| 06/14/2007 | US20070132535 Electromagnetic device, high-voltage generating device, and method for making the electromagnetic device |
| 06/14/2007 | US20070132437 Method and cell for controlling the power factor of a power supply line |
| 06/14/2007 | US20070132408 High frequency driven high pressure micro discharge |
| 06/14/2007 | US20070132406 Cold-cathode tube lighting device for use in a plurality of cold-cathode tubes lit by two low-impedance power sources |
| 06/14/2007 | US20070132404 DC/DC converter |
| 06/14/2007 | US20070132403 Light source device |
| 06/14/2007 | US20070132402 Lighting-drive device, light source device, and display device |
| 06/14/2007 | US20070132401 Apparatus and method for controlling the filament voltage in an electronic dimming ballast |
| 06/14/2007 | US20070132400 Apparatus for driving backlight of liquid crystal display |
| 06/14/2007 | US20070132399 Electrodeless discharge lamp lighting device and luminaire |
| 06/14/2007 | US20070132398 Optical and temperature feedbacks to control display brightness |
| 06/14/2007 | DE102005058574A1 Electric discharge lamp`s additional output controlling device, has digital timing unit that reproduces unloading function and loading function of resistor-capacitor timing unit, where timing unit includes oscillator and counter |
| 06/14/2007 | DE102005058222A1 Verfahren zur Fehlerdetektion beim Betrieb von Hochdruckentladungslampen an EVGs Method for error detection in the operation of high-pressure discharge lamps ballasts |
| 06/14/2007 | CA2632000A1 Apparatus and method for controlling the filament voltage in an electronic dimming ballast |
| 06/14/2007 | CA2630909A1 Method for detecting faults during operation of high-pressure discharge lamps using electronic ballasts |
| 06/13/2007 | EP1796441A2 Image display apparatus and power controlling method of the image display apparatus |
| 06/13/2007 | EP1796440A2 Inverter circuit, fluorescent tube lighting apparatus, backlight apparatus, and liquid crystal display |
| 06/13/2007 | EP1796439A2 Inverter circuit, fluorescent tube lighting apparatus, backlight apparatus, and liquid crystal display |
| 06/13/2007 | EP1796438A2 Lighting-drive device, light source device, and display device |
| 06/13/2007 | EP1671521A4 A current sharing scheme and device for multiple ccf lamp operation |
| 06/13/2007 | CN2912190Y Negative ion energy saving lamp |
| 06/13/2007 | CN2912189Y Wholly-inserting ballast |
| 06/13/2007 | CN2912188Y Electronic ballast of high voltage Na lamp |
| 06/13/2007 | CN2912187Y Semiconductor LED driving circuit of a.c. 220V |
| 06/13/2007 | CN2911955Y Sound controlled plasma discharging lamps |
| 06/13/2007 | CN2911728Y Backlight power source |
| 06/13/2007 | CN1981564A Dimming device |
| 06/13/2007 | CN1981563A Method and circuit for driving back a light emitter of a display apparatus |
| 06/13/2007 | CN1981562A 照明系统 Lighting system |
| 06/13/2007 | CN1980516A Cold-cathode fluorescent (CCFL) brightness regulating method and system |