| Patents for H05B 41 - Circuit arrangements or apparatus for igniting or operating discharge lamps (35,100) |
|---|
| 01/19/2011 | CN101949508A Multiple standard light source convertible lamp box |
| 01/19/2011 | CN101949497A Remote control energy saving lamp device and remote control method thereof |
| 01/18/2011 | US7872427 Dimming circuit for LED lighting device with means for holding TRIAC in conduction |
| 01/18/2011 | US7872426 Ballast protecting device |
| 01/18/2011 | CA2572291C Pull out air gap switch for wallbox-mounted dimmer |
| 01/13/2011 | WO2011005393A1 Fluorescent ballast with inherent end-of-life protection |
| 01/13/2011 | WO2011003855A1 Method for operating gas discharge lamps at low external temperatures and operating device configured therefor |
| 01/13/2011 | WO2011003265A1 Method for controlling the output power of a gas discharge lamp and an electronic ballast |
| 01/13/2011 | WO2010118406A3 Thyristor starting circuit |
| 01/13/2011 | WO2010118399A3 Dimmable power supply |
| 01/13/2011 | WO2010076728A3 A method of controlling a fluorescent lamp and a control system therefor |
| 01/13/2011 | US20110007125 Light Source Device and Optical Scanner |
| 01/13/2011 | US20110007099 Inverter circuit, backlight device and display device |
| 01/13/2011 | US20110006700 Charge pump electronic ballast for use with low input voltage |
| 01/13/2011 | US20110006699 Fluorescent ballast with inherent end-of-life protection |
| 01/13/2011 | US20110006698 Overload protection |
| 01/13/2011 | US20110006694 Dc/dc converter control circuit, and power supply apparatus, light emitting apparatus and electronic device using the same |
| 01/13/2011 | DE19531622B4 Zündschaltung für eine Hochdruck-Gasentladungslampe Ignition circuit for a high pressure gas discharge lamp |
| 01/13/2011 | DE102009032028A1 Verfahren zum Betrieb von Gasentladungslampen bei niedrigen Außentemperaturen und dafür ausgelegtes Betriebsgerät A method for operating gas discharge lamps at low outdoor temperatures and designed for this purpose operating device |
| 01/13/2011 | DE102004024604B4 Vorschaltgerät und Betriebsverfahren von Ultrahochdruck-Quecksilberlampen Ballast and operating procedures of ultra-high pressure mercury lamps |
| 01/12/2011 | EP2273854A2 High pressure discharge lamp lighting device, illumination fixture and illumination system using thereof |
| 01/12/2011 | EP2273853A1 High voltage discharge lamp lighting device and light fixture |
| 01/12/2011 | EP2273311A1 A safety interlock system for a projector system |
| 01/12/2011 | EP1847159B1 Lamp base for a high-pressure discharge lamp and corresponding high-pressure discharge lamp |
| 01/12/2011 | CN201709011U Ballast |
| 01/12/2011 | CN201709010U DC ballast and lighting device |
| 01/12/2011 | CN201709009U Fluorescent lamp circuit with long service life and low power consumption |
| 01/12/2011 | CN201709008U Digital ballast of gas discharge lamp |
| 01/12/2011 | CN201709007U Novel double-ballast fluorescent lamp |
| 01/12/2011 | CN201709006U Inductance type ballast |
| 01/12/2011 | CN201706290U Electronic energy-saving fluorescent lamp fitting |
| 01/12/2011 | CN1895009B Apparatus and method for providing dimming control of lamps and electrical lighting systems |
| 01/12/2011 | CN1874637B Electronic ballast in use for gas discharge lamp |
| 01/12/2011 | CN1809242B Digital synthesis method and control system for color light source |
| 01/12/2011 | CN1630450B Circuit arrangement for operating electric lamps |
| 01/12/2011 | CN1579117B Power supply circuit for flash discharge tube |
| 01/12/2011 | CN101946565A Starting device with two input poles |
| 01/12/2011 | CN101946564A Control device for controlling a discharge lamp |
| 01/12/2011 | CN101946563A Device for controlling a discharge lamp |
| 01/12/2011 | CN101945525A Environmentally-friendly intelligent high voltage sodium lamp economizer |
| 01/12/2011 | CN101945524A Electronic ballast and lamp |
| 01/12/2011 | CN101945523A Starting circuit for ballast of electrodeless lamp |
| 01/12/2011 | CN101945522A Double-line pilot frequency power supply of gas discharge lamp |
| 01/12/2011 | CN101945521A Electroless lamp electronic ballast controlled by power line carrier |
| 01/12/2011 | CN101945520A Power switching circuit and controller |
| 01/12/2011 | CN101945519A Assembling box of stabilizer |
| 01/12/2011 | CN101944844A High power factor power correcting circuit |
| 01/12/2011 | CN101943348A Cold cathode desk lamp |
| 01/12/2011 | CN101943338A Simple dismounting type multifunctional casing fluorescent lamp |
| 01/11/2011 | US7868561 Two-wire dimmer circuit for a screw-in compact fluorescent lamp |
| 01/11/2011 | US7868560 Inverter driving circuit for LCD backlight |
| 01/11/2011 | CA2545854C Thermal protection for lamp ballasts |
| 01/06/2011 | WO2011002600A1 Integrated backlight control system |
| 01/06/2011 | WO2011001340A1 Circuit for converting dc into ac pulsed voltage |
| 01/06/2011 | WO2011001339A1 Circuit for converting dc into ac pulsed voltage |
| 01/06/2011 | WO2011000574A1 Power factor correction method and device for discharge lamps, for example high pressure sodium lamps |
| 01/06/2011 | WO2011000189A1 Xenon lamp ballast module suited for mains supply |
| 01/06/2011 | WO2010128301A3 Light source powered by microwaves |
| 01/06/2011 | WO2010081571A3 Detector circuit and method for actuating a fluorescent lamp |
| 01/06/2011 | US20110001811 Illumination device and endoscope system |
| 01/06/2011 | US20110001439 Driver arrangement for light emitting diodes |
| 01/06/2011 | CA2767041A1 Power factor correction method and device for discharge lamps, for example high pressure sodium lamps |
| 01/05/2011 | EP2271188A2 Discharge lamp lighting apparatus |
| 01/05/2011 | EP2271187A2 Controlling and measuring the functions of an electronic ballast |
| 01/05/2011 | EP2271186A1 Apparatus for compensating for the emission decay of lamps, particularly for ultraviolet tanning lamps and the like |
| 01/05/2011 | EP2271185A1 Power factor correction method and device for discharge lamps, for example high pressure sodium lamps |
| 01/05/2011 | EP2269424A2 Inductive component for activating lights |
| 01/05/2011 | EP2080059B1 Assist light illuminance control |
| 01/05/2011 | EP1330943B1 Ballast self oscillating inverter with phase controlled voltage feedback |
| 01/05/2011 | DE19964551B4 Schaltungsanordnung zum Betreiben von Gasentladungslampen Circuit arrangement for operating gas discharge lamps, |
| 01/05/2011 | DE10290425B4 Vorschaltgerät für eine Entladungslampe Ballast for a discharge lamp |
| 01/05/2011 | DE102009033068A1 Ansteuermodul für Gasentladungsleuchte Control module for gas discharge lamp |
| 01/05/2011 | DE102007002731B4 Lichtstromkreis Lighting circuit |
| 01/05/2011 | DE102006032091B4 Entladungslampen-Lichtstromkreis A discharge lamp lighting circuit |
| 01/05/2011 | DE102005036751B4 Leuchtsteuervorrichtung für eine Entladungslampe Lighting control device for a discharge lamp |
| 01/05/2011 | DE102004039222B4 Entladungslampenansteuerschaltung Entladungslampenansteuerschaltung |
| 01/05/2011 | CN201700073U Electronic ballast with function of overvoltage protection |
| 01/05/2011 | CN201700072U High-voltage direct current electrodeless lamp |
| 01/05/2011 | CN201700071U End of life protection circuit of lamp |
| 01/05/2011 | CN201700070U Remote control electrodeless lamp lighting system |
| 01/05/2011 | CN201700069U Control device of lamp |
| 01/05/2011 | CN201700068U Control device of lamp |
| 01/05/2011 | CN201700067U Control device for lamp |
| 01/05/2011 | CN201700066U Lamp controller |
| 01/05/2011 | CN101938880A Ballast with end of life protection function for one or more lamps |
| 01/05/2011 | CN101938879A Discharge lamp lighting device and illuminating apparatus using the same |
| 01/05/2011 | CN101937826A Method for producing indoor external electrode fluorescent lamp |
| 01/05/2011 | CN101516155B Lighting of discharge lamp by frequency control |
| 01/05/2011 | CN101171888B Discharging lamp control device |
| 01/05/2011 | CN101132665B Discharge lamp lighting circuit |
| 01/05/2011 | CN101102632B Discharge tube lighting apparatus |
| 01/04/2011 | US7863828 Power supply DC voltage offset detector |
| 12/30/2010 | US20100328626 Light source device, projection apparatus, and projection method |
| 12/30/2010 | US20100327776 High pressure discharge lamp lighting device and lighting fixture using the same |
| 12/30/2010 | US20100327775 High pressure discharge lamp lighting device and lighting fixture using the same |
| 12/30/2010 | US20100327774 Housing Illumination for Portable Electronic Devices |
| 12/30/2010 | US20100327772 Reference voltage generating device, control device including the reference voltage generating device, and led light emitting device using the control device |
| 12/30/2010 | US20100327767 System and method for led lampstring |
| 12/30/2010 | US20100327765 Low energy transfer mode for auxiliary power supply operation in a cascaded switching power converter |
| 12/30/2010 | US20100327764 Intelligent illumination device |