| Patents for H05B 41 - Circuit arrangements or apparatus for igniting or operating discharge lamps (35,100) |
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| 04/16/2008 | CN101164390A Operating devices with lamp regulation by analysis of the lamp temperature |
| 04/16/2008 | CN101164389A Electronic ballast with phase dimmer detection |
| 04/16/2008 | CN101164388A Adjustable digital illuminating means output control |
| 04/16/2008 | CN101164387A Adjustable digital lighting power regulation |
| 04/16/2008 | CN101164386A Intelligent flyback-heating |
| 04/16/2008 | CN101164385A Protection of an emitting branch of an interface device |
| 04/16/2008 | CN101164384A Self-exciting step-up converter |
| 04/16/2008 | CN101164383A Parameterizable digital pfc |
| 04/16/2008 | CN101164222A Inverter, its drive method, light emitting device and liquid crystal television using the same |
| 04/16/2008 | CN101163366A Illumination control method and system |
| 04/16/2008 | CN101163365A Illumination control method and system |
| 04/16/2008 | CN101163364A Monitoring system and method for monitoring operation of electric element using the system |
| 04/16/2008 | CN101163363A Electronic ballast for high voltage sodium lamp |
| 04/16/2008 | CN101163362A Low-power consumption driven PWM regulation circuit |
| 04/16/2008 | CN101163361A Light source driving device |
| 04/16/2008 | CN101163360A Electric ballast |
| 04/15/2008 | US7358706 Power factor correction control methods and apparatus |
| 04/15/2008 | US7358686 Method and device for driving a gas discharge lamp |
| 04/15/2008 | US7358685 DC-DC converter having protective function of over-voltage and over-current and led driving circuit using the same |
| 04/15/2008 | US7358684 Balanced circuit for multi-LED driver |
| 04/15/2008 | US7358683 Automatic PWM controlled driver circuit and method |
| 04/15/2008 | US7358680 Bistate HID operation |
| 04/15/2008 | US7358678 Plasma lamp with dielectric waveguide |
| 04/10/2008 | WO2008042069A2 Circuit for powering a high intensity discharge lamp |
| 04/10/2008 | WO2008041709A1 Evaluation system, lighting device, and image display device |
| 04/10/2008 | WO2008040454A2 Operating device and method for operating luminous means |
| 04/10/2008 | WO2008040251A1 Current control method and driving circuit for multi-lamps |
| 04/10/2008 | WO2007037831A8 Lamp driver circuit |
| 04/10/2008 | US20080084170 Fluorescent lamp assembly having multiple settings and method |
| 04/10/2008 | US20080084169 Method for Driving a Led Based Lighting Device |
| 04/10/2008 | US20080084168 Dimmable, high power factor ballast for gas discharge lamps |
| 04/10/2008 | US20080084167 Power Converter for Led Large Area Light Source Lamp |
| 04/10/2008 | DE19819671B4 Schaltungsanordnung zum Schutz von Leuchtstofflampen und elektronischem Vorschaltgerät Circuitry to protect from fluorescent lamps and electronic ballast |
| 04/10/2008 | DE112005003174T5 Vorschaltgerät für eine Entladungslampe Ballast for a discharge lamp |
| 04/10/2008 | DE112005003141T5 Entladelampen-Belastungsvorrichtung Discharge lamps load device |
| 04/10/2008 | DE10146135B4 Zoomblitz und Blitzaufnahmesystem Zoom flash and flash exposure system |
| 04/09/2008 | EP1909542A2 Flicker preventing apparatus of fluorescent lamp |
| 04/09/2008 | EP1909541A1 Lighting device of discharge lamp, illumination apparatus and illumination system |
| 04/09/2008 | EP1908337A1 Adaptive regulation of the power of gas discharge lamps |
| 04/09/2008 | EP1400155B1 Method and apparatus for determining power frequencies that cause arc instabilities in discharge lamps |
| 04/09/2008 | CN201045631Y Plug-in unit type CCFL backlight module |
| 04/09/2008 | CN101161038A Pulsed igniting device comprising a piezoelectric transformer for a high-pressure discharge lamp |
| 04/09/2008 | CN101161037A Pulsed igniting device comprising a piezoelectric transformer for a high-pressure discharge lamp |
| 04/09/2008 | CN101160010A Self-adaptive controller for brightness of fluorescent lamp |
| 04/09/2008 | CN101160009A Device for illumining multiple fluorescent lamps |
| 04/09/2008 | CN101160008A Flicker preventing apparatus of fluorescent lamp |
| 04/09/2008 | CN100381022C LCD backlighting inverter circuit and LCD |
| 04/09/2008 | CN100381021C Method and device for preventing high frequency electron ballast to produce accoustic oscillation |
| 04/09/2008 | CN100381020C All wave detecting amplifier and its matched discharge lamp inverter |
| 04/09/2008 | CN100380613C Flash radiation appliance and optical heating device |
| 04/09/2008 | CN100380570C Unit comprising short-arc discharge lamp with starting antenna |
| 04/08/2008 | US7355354 Method for starting a discharge lamp using high energy initial pulse |
| 04/08/2008 | US7355353 Illumination control circuit |
| 04/08/2008 | US7355352 Circuit and method for dynamic adjustment of operation conditions of a gas discharge lamp |
| 04/08/2008 | US7355348 Ballast for a discharge lamp having a continuous-operation control circuit |
| 04/03/2008 | WO2008039298A2 Electronic ballast with improved inverter startup circuit |
| 04/03/2008 | WO2008038527A1 Noble gas fluorescent lamp, lamp lighting device and liquid crystal display device |
| 04/03/2008 | WO2008037639A1 Starter for a low-pressure discharge lamp |
| 04/03/2008 | WO2008037292A1 Emc improvement by means of rf absorption in luminaires and electronic ballasts |
| 04/03/2008 | WO2008037290A1 Circuit arrangement and method for starting a discharge lamp |
| 04/03/2008 | WO2008037118A1 Energy-conserving device of illumination system |
| 04/03/2008 | US20080079372 Circular acceleration apparatus, electromagnetic wave generator and electromagnetic-wave imaging system |
| 04/03/2008 | US20080079370 Energy-conserving devices of illumination systems |
| 04/03/2008 | US20080079368 Portable lighting and power-generating system |
| 04/03/2008 | US20080079367 Light emitting device and control method thereof |
| 04/03/2008 | US20080078921 Multiple light sensors and algorithms for luminance control of mobile display devices |
| 04/03/2008 | DE102006045907A1 Gas discharge lamp`s e.g. fluorescent lamp, operation monitoring method, involves comparing average value of peak values with limit value, determining difference value of peak values, and comparing difference value with another limit value |
| 04/03/2008 | DE102006045890A1 Starter für eine Niederdruckentladungslampe Starter for a low-pressure discharge lamp |
| 04/03/2008 | DE102006045744A1 Lampenbetriebsgerät zum Betreiben einer oder mehrerer Lichtquellen sowie Verfahren zum Betreiben eines Lampenbetriebsgeräts Lamp operating device for operating one or more light sources, and methods for operating a lamp operating device |
| 04/02/2008 | EP1906712A2 Inverter circuit and backlight assembly including said inverter circuit |
| 04/02/2008 | EP1906519A2 Power supply apparatus and liquid crystal display including the same |
| 04/02/2008 | EP1905283A1 Parasitic capacitance compensation system and method |
| 04/02/2008 | EP1905282A2 Energy efficient fluorescent lamp |
| 04/02/2008 | EP1905281A1 Method for driving a high-pressure gas discharge lamp of a projector system |
| 04/02/2008 | EP1905280A1 Method of driving a discharge lamp in a projection system, and driving unit |
| 04/02/2008 | EP1905279A1 Gas discharge lamp ignition |
| 04/02/2008 | EP1457097B1 Electronic ballast with an overvoltage monitoring device |
| 04/02/2008 | EP1176853B1 Dielectric barrier discharge lamp light source |
| 04/02/2008 | EP1120018B2 Intelligent electrical devices |
| 04/02/2008 | CN201044537Y Improved dual-power high intensity discharge lamps (HID) ballast |
| 04/02/2008 | CN201044536Y Novel tripping bulb |
| 04/02/2008 | CN201044535Y Bi-metal straight-piece tripping bulb |
| 04/02/2008 | CN201044534Y Connection joint of vehicle xenon lamp fixing device |
| 04/02/2008 | CN201044533Y Novel xenon lamp high-voltage wire |
| 04/02/2008 | CN201044532Y Variable expansion xenon lamp control wire |
| 04/02/2008 | CN201044531Y Protectors for electric discharge lamp inverter |
| 04/02/2008 | CN201044526Y Frequency conversion light distribution monitoring apparatus |
| 04/02/2008 | CN101156502A Method for lamp life control of a gas discharge lamp, a gas discharge lamp driver circuit, a gas discharge lamp and an assembly of a gas discharge lamp and a lamp driver circuit |
| 04/02/2008 | CN101156501A Pulsed igniting device comprising a piezoelectric transformer for a high-pressure discharge lamp |
| 04/02/2008 | CN101155457A Light source driving mechanism with jump-spark protection function |
| 04/02/2008 | CN101155456A Driving method for electric ballast and fluorescent lamp |
| 04/02/2008 | CN101155455A Energy-saving lamp and control method thereof |
| 04/02/2008 | CN101155454A Multi-light tube current control method and driving circuit thereof |
| 04/02/2008 | CN101155453A Light source driving device |
| 04/02/2008 | CN101155452A Static electricity persuasion by-path placement of electric ballast used for high-strength air discharge lamp |
| 04/02/2008 | CN101155449A Width pulse modulation device and its control circuit and method and method |
| 04/02/2008 | CN101154552A Finsen lamp assembly |
| 04/02/2008 | CN100379320C Electronic ballast for discharging lamp |
| 04/02/2008 | CN100379114C Charging circuit, urgent lighting device and luminous device |
| 04/02/2008 | CN100379107C Arrester |