| Patents for H05B 41 - Circuit arrangements or apparatus for igniting or operating discharge lamps (35,100) |
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| 05/05/2010 | CN101701681A Lamp tube and lamp tube module |
| 05/04/2010 | US7710045 Illumination assembly with enhanced thermal conductivity |
| 05/04/2010 | US7710044 Flashlamp drive circuit |
| 05/04/2010 | US7709974 Power supply device |
| 04/29/2010 | WO2010047447A1 Led illumination device |
| 04/29/2010 | WO2010045980A1 Circuit arrangement and method for operating a high pressure discharge lamp |
| 04/29/2010 | WO2010045970A1 Method and circuit arrangement for making a lamp wattage available for operating at least one gas discharge lamp |
| 04/29/2010 | WO2010027390A3 Measurement circuit for an electronic ballast having coupled resonant inductors |
| 04/29/2010 | US20100103702 Adaptive inductive power supply |
| 04/29/2010 | US20100103388 Discharge lamp lighting device, method of controlling discharge lamp lighting device, and projector |
| 04/29/2010 | US20100102757 HID Lamp Ballast with Controlled DC Step Down Circuit |
| 04/29/2010 | US20100102756 Apparatus for driving light emitting device |
| 04/29/2010 | US20100102749 Circuit arrangement and method for adapting the output of high-pressure discharge lamps |
| 04/29/2010 | US20100102747 Unified 0-10v and dali dimming interface circuit |
| 04/29/2010 | US20100102746 Light control system with pwm duty cycle control using current signal feedback |
| 04/29/2010 | US20100102745 190w power limiter circuit for lighting equipment |
| 04/29/2010 | US20100102744 System for driving a plurality of lamps |
| 04/29/2010 | US20100102742 Electronic ballast |
| 04/29/2010 | US20100102741 High-voltage pulse generator and high-pressure discharge lamp comprising such a generator |
| 04/29/2010 | US20100102740 Control circuit and flash system using same |
| 04/29/2010 | US20100102739 Circuit for controlling a fluorescent lamp, method for operating the circuit, and system comprising the circuit |
| 04/29/2010 | US20100102738 Circuit arrangement for operating a vacuum gas discharge lamp |
| 04/29/2010 | US20100102736 Color-variable led light, particularly for lighting the interior of vehicles |
| 04/29/2010 | DE102008052532A1 Schaltungsanordnung und Verfahren zur Steuerung der Leistungsaufnahme von Beleuchtungsanlagen mit Wechselspannungsspeisung Circuit arrangement and method for controlling the power consumption of lighting systems with alternating current supply |
| 04/28/2010 | EP2180767A2 High pressure discharge lamp lighting device and image display device |
| 04/28/2010 | EP2180766A2 Electronic ballast |
| 04/28/2010 | EP1687692B1 Light system manager |
| 04/28/2010 | CN201444720U Light-operated switch for special energy-saving lamp |
| 04/28/2010 | CN201444719U Flash lamp control circuit with protection mechanism |
| 04/28/2010 | CN201444718U Low-harmonic and energy-saving electron ballast for fluorescent lamps |
| 04/28/2010 | CN201444717U Energy saving lamp with ultrahigh frequency and high power factor |
| 04/28/2010 | CN201444716U Operating equipment for light-emitting device |
| 04/28/2010 | CN201443745U Controllable anion air-purification energy-saving lamp |
| 04/28/2010 | CN1879457B Thermal protection for lamp ballasts |
| 04/28/2010 | CN1857036B Electric power supply for at least two electrodes |
| 04/28/2010 | CN1745605B Discharge tube operation device |
| 04/28/2010 | CN1703134B Cold cathode fluorescent lamp drive circuit |
| 04/28/2010 | CN1674757B Electromagnetic inductive lamp circuit |
| 04/28/2010 | CN1649464B State detection device |
| 04/28/2010 | CN101699927A Energy-saving lamp wireless networking system with ultra wideband communication and method thereof |
| 04/28/2010 | CN101699926A Remote-control energy-saving lamp for UWB communication |
| 04/28/2010 | CN101699159A Short time emergency lamp |
| 04/27/2010 | CA2447995C Improved efficiency fluorescent lighting system |
| 04/22/2010 | WO2010045062A2 High intensity, strobed led micro-strip for microfilm imaging system and methods |
| 04/22/2010 | WO2010044968A1 Low cost compact size single stage high power factor circuit for discharge lamps |
| 04/22/2010 | WO2010044302A1 Display device illumination device, display device, and television reception device |
| 04/22/2010 | WO2010043923A1 An emergency power supply circuit for dimmable electronic ballasts and related method |
| 04/22/2010 | WO2010002132A3 Artificial-intelligent dimming stabilizer |
| 04/22/2010 | WO2009092447A3 Circuit arrangement and method for regulating the current through at least one discharge lamp |
| 04/22/2010 | US20100098399 High intensity, strobed led micro-strip for microfilm imaging system and methods |
| 04/22/2010 | US20100097412 Light source device and liquid crystal display unit |
| 04/22/2010 | US20100097011 Evaluation device for the ignition energy of a discharge lamp |
| 04/22/2010 | US20100097010 Parallel transformer with output side electrical decoupling |
| 04/22/2010 | US20100097007 Light-emitting diode lighting device |
| 04/22/2010 | US20100097006 Switching mode power supply circuit for plasma display panel |
| 04/22/2010 | US20100097005 Circuit Arrangement and Method for Operating a Discharge Lamp |
| 04/22/2010 | US20100097003 High-voltage discharge lamp lighting apparatus |
| 04/22/2010 | US20100097000 Low cost compact size single stage high power factor circuit for discharge lamps |
| 04/22/2010 | DE102008051824A1 Ignition device for use in discharge lamp, has ignition transformer developed in two stages, where one of ignition stages of ignition transformer is electrically connected with other ignition stage of ignition transformer |
| 04/22/2010 | DE102005025682B4 Vorrichtung zur Ansteuerung von Leuchtstofflampen in einer Beleuchtungsanordnung Apparatus for controlling fluorescent lamps in a lighting arrangement |
| 04/22/2010 | CA2740625A1 Low cost compact size single stage high power factor circuit for discharge lamps |
| 04/21/2010 | EP2178349A2 Solar simulator |
| 04/21/2010 | EP2178346A2 LED fluorescent lamp |
| 04/21/2010 | EP2178345A2 Led fluorescent lamp |
| 04/21/2010 | EP2177923A1 Discharge lamp lighting device and illumination fixture with end of life detection |
| 04/21/2010 | CN201440750U DC electronic ballast for motor train unit |
| 04/21/2010 | CN201440749U Electromagnetic interference suppressing circuit for electronic ballast of fluorescent lamp with integrated support |
| 04/21/2010 | CN201440315U Lamp detection circuit of LCD panel |
| 04/21/2010 | CN1980509B Multi-lamp-tube driving system |
| 04/21/2010 | CN1695404B High-pressure discharge lamp operation device and illumination appliance having the same |
| 04/21/2010 | CN1449641B Rechargeable lamp system |
| 04/21/2010 | CN1443031B Working circuit for discharging lamp |
| 04/21/2010 | CN1443030B Working circuit for low voltage discharging lamp |
| 04/21/2010 | CN101697657A Remote control energy-saving lamp |
| 04/21/2010 | CN101697656A Constant-power power source of civil and industrial xenon lamp |
| 04/21/2010 | CN101697655A Stabilizer for synchronously starting two xenon lamps |
| 04/21/2010 | CN101697426A Vehicle interface |
| 04/21/2010 | CN101697313A Novel magnetic ring transformer |
| 04/20/2010 | US7701153 Visible indication of mistaken lamp use |
| 04/15/2010 | WO2010040647A1 Self-oscillating half-bridge circuit device having transformer having air gap, and ballast and lamp including the device |
| 04/15/2010 | WO2010040634A1 An emergency ballast system |
| 04/15/2010 | US20100091220 Backlight unit, method of operating the same and liquid crystal display device having the same |
| 04/15/2010 | US20100090616 Solar simulator |
| 04/15/2010 | US20100090613 Lighting Device Having Light Intensity Control |
| 04/15/2010 | US20100090612 Portable Lighting Device Having User Selectable Light Control |
| 04/15/2010 | US20100090611 Full-bridge and half-bridge compatible driver timing schedule for direct drive backlight system |
| 04/15/2010 | US20100090610 Control Method, Control Device and Method for Producing the Control Device |
| 04/15/2010 | DE102009038843A1 Entladungslampe-Beleuchtungsvorrichtung, Scheinwerfervorrichtung und ein diese aufweisendes Kraftfahrzeug Discharge lamp lighting device, and a lamp device exhibiting this vehicle |
| 04/15/2010 | DE102007011245B4 Versorgungseinheit für Metalldampflampen Supply unit for metal halide lamps |
| 04/14/2010 | EP2175700A1 Dimming circuit for discharging lamp capable of turning off under a low power condition |
| 04/14/2010 | EP2175699A1 Discharge lamp electron ballast |
| 04/14/2010 | EP2175698A1 Electric-discharge lamp lighting device and lighting apparatus |
| 04/14/2010 | EP2175476A1 Magnetic energy lamp with built-in magnetic energy generator |
| 04/14/2010 | EP2174533A1 Control for discharge lamp |
| 04/14/2010 | EP2174532A1 Electronic ballast and method for operating at least one discharge lamp |
| 04/14/2010 | CN201438781U Electronic ballast provided with output mode choice |
| 04/14/2010 | CN201438780U Electronic ballast provided with proximity sensor |
| 04/14/2010 | CN201438779U Backlight driving system |
| 04/14/2010 | CN201438778U Xenon lamp stabilizer module applicable to mains electricity |
| 04/14/2010 | CN201438777U Electrodeless lamp high frequency generator circuit |