| Patents for H05B 41 - Circuit arrangements or apparatus for igniting or operating discharge lamps (35,100) |
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| 02/09/2005 | CN1577714A Device for operating a short arc discharge mercury lamp |
| 02/09/2005 | CN1577665A Emergency lighting fixture in switch cover |
| 02/09/2005 | CN1577066A Projector with consumable component having memory device |
| 02/09/2005 | CN1189063C Circuit arrangement for operating lamp |
| 02/09/2005 | CN1188732C Drive method and circuit for piezo-transformer, cold-cathode tube luminator and liquid-crystal panel |
| 02/09/2005 | CN1188303C Discharging lamp device for vehicle |
| 02/08/2005 | US6853156 Piezoelectric ceramic light starter |
| 02/08/2005 | US6853155 Electric discharge lamp device |
| 02/08/2005 | US6853154 Open loop bi-level ballast control |
| 02/08/2005 | US6853153 System and method for powering cold cathode fluorescent lighting |
| 02/08/2005 | US6853152 Electric power supply safety interlock system |
| 02/03/2005 | WO2005011340A1 Filament cutout circuit |
| 02/03/2005 | WO2005011339A1 Ballast for at least one fluorescent high pressure discharge lamp, method for operating said lamp and lighting system comprising said lamp |
| 02/03/2005 | WO2005011338A1 Circuit for operating high-pressure discharge lamps |
| 02/03/2005 | WO2005011337A1 Operating method for a high-pressure discharge lamp |
| 02/03/2005 | WO2005011336A1 Electric power supply for at least two electrodes |
| 02/03/2005 | WO2005010921A1 Metal halide lamp |
| 02/03/2005 | WO2004073283A3 Inductive coil assembly |
| 02/03/2005 | WO2002067634A3 Ballast circuit arrangement |
| 02/03/2005 | US20050024219 Projector with consumable component having memory device |
| 02/03/2005 | US20050024027 Voltage control system |
| 02/03/2005 | US20050023998 Circuit structure for driving a plurality of cold cathode fluorescent lamps |
| 02/03/2005 | US20050023997 System and method for reducing flicker of compact gas discharge lamps at low lamp light output level |
| 02/03/2005 | US20050023995 Discharge lamp lighting device |
| 02/03/2005 | US20050023994 DC-DC converter and device for operation of a high pressure discharge lamp using said converter |
| 02/03/2005 | US20050023993 Method and apparatus for lighting high pressure discharge lamp, high pressure discharge lamp apparatus, and projection-type image display apparatus |
| 02/03/2005 | US20050023990 Inverter circuit for lighting discharge lamps with reduced power consumption |
| 02/03/2005 | US20050023988 Cold cathode fluorescent lamp driver circuit |
| 02/03/2005 | DE10330014A1 Universelles Zündgerät Universal Ignitor |
| 02/03/2005 | DE10330013A1 Zündgerät mit intelligenter Abschaltung Ignitor with intelligent shutdown |
| 02/03/2005 | CA2533263A1 Ballast for at least one high-pressure discharge lamp, an operating method and a lighting system for a high-pressure discharge lamp |
| 02/03/2005 | CA2533261A1 Circuit for operating high-pressure discharge lamps |
| 02/03/2005 | CA2533255A1 Operating method for a high-pressure discharge lamp |
| 02/02/2005 | EP1502484A1 Open loop bi-level ballast control |
| 02/02/2005 | EP1502482A1 Improved dimmer circuit arrangement |
| 02/02/2005 | EP1502479A2 Inductively powered lamp assembly |
| 02/02/2005 | EP0934682A4 A power control apparatus for lighting systems |
| 02/02/2005 | EP0917811B1 Triac dimmable compact fluorescent lamp with low power factor |
| 02/02/2005 | CN2676562Y Special type electronic ballast |
| 02/02/2005 | CN2676561Y 电子镇流器 Electronic Ballast |
| 02/02/2005 | CN2676560Y A stroboflash-free controller for lighting lamp |
| 02/02/2005 | CN1575626A Safety starter for fluorescent lamps |
| 02/02/2005 | CN1575625A Evg units which may be wired in parallel due to lamp type |
| 02/02/2005 | CN1575624A Socket capacitance for discharge lamps |
| 02/02/2005 | CN1575444A Single-stage pfc + ballast control circuit/general purpose power converter |
| 02/02/2005 | CN1575086A Starting device for fluorescent lamp |
| 02/02/2005 | CN1575085A Method and apparatus for lighting high pressure discharge lamp, high pressure discharge lamp apparatus, and projection-type image display apparatus |
| 02/02/2005 | CN1575084A Backlight inverter for liquid crystal display panel with self-protection function |
| 02/02/2005 | CN1575083A Ballast apparatus and ballasting method of high intensity discharge lamp |
| 02/02/2005 | CN1575082A Backlight inverter for liquid crystal display panel of asynchronous pulse width modulation driving type |
| 02/02/2005 | CN1575081A Illumination device |
| 02/02/2005 | CN1575079A Drive circuit for operating at least one lamp in an associated load circuit |
| 02/02/2005 | CN1574590A Dc-ac converter, and method for supplying AC power |
| 02/02/2005 | CN1573536A Flash device and lens-fitted photo film unit with built-in flash device |
| 02/02/2005 | CN1573469A Backlight assembly for directly backlighting displays |
| 02/02/2005 | CN1573464A Backlight unit and liquid crystal display device having the same |
| 02/02/2005 | CN1573461A Inverter and liquid crystal display including inverter |
| 02/02/2005 | CN1572156A Lamp device on a production machine for the manufacture of products of the tobacco-processing industry as well as associated lamp |
| 02/02/2005 | CN1188016C Bidirectional silicon controlled compact dimming fluorescent lamp with low power factor |
| 02/01/2005 | US6850016 Rare gas discharge lamp lighting apparatus |
| 02/01/2005 | US6850015 High pressure discharge lamp starter device and an automotive headlight device |
| 02/01/2005 | US6850014 Discharge lamp circuit for ignition time control and overvoltage protection receivers |
| 02/01/2005 | US6850010 Microwave powered lamp with reliable detection of burned out light bulbs |
| 01/31/2005 | CA2456392A1 Transient detection of end of lamp life condition apparatus and method |
| 01/27/2005 | WO2005009035A1 Image display |
| 01/27/2005 | WO2005008873A1 Current detector circuit |
| 01/27/2005 | WO2005008320A1 Inverter for eefl and backligth |
| 01/27/2005 | WO2004073166A3 Adaptive inductive power supply with communication |
| 01/27/2005 | WO2004072733A3 Digital control system for lcd backlights |
| 01/27/2005 | US20050017659 Control device for flashlight systems in airports |
| 01/27/2005 | US20050017658 Transformer and lamp system utilizing the same |
| 01/27/2005 | US20050017656 Electrodeless discharge lamp lighting device, light bulb type electrodeless fluorescent lamp and discharge lamp lighting device |
| 01/27/2005 | US20050017655 Electronic ballast and operating method for a gas discharge lamp |
| 01/27/2005 | US20050017653 Discharge lamp lighting device |
| 01/27/2005 | DE10326573A1 Integrated current supply device for data equipment, has a current supply feeder unit, a rectifier unit and a unit for increasing voltage |
| 01/26/2005 | EP1501338A2 Circuit for operating at least one high-pressure discharge lamp |
| 01/26/2005 | EP1500310A1 Dimmer circuit with improved inductive load imbalance protection |
| 01/26/2005 | EP1499935A1 Dimmer circuit with improved ripple control |
| 01/26/2005 | EP1097611B1 Circuit arrangement |
| 01/26/2005 | CN2674759Y Single phase ac multifunction electricity saver |
| 01/26/2005 | CN1572126A Short circuit ballast protection |
| 01/26/2005 | CN1572125A Circuit arrangement for operating a discharge lamp |
| 01/26/2005 | CN1571618A Intelligent high-power electronic ballast and intelligent management system for urban lighting |
| 01/26/2005 | CN1571617A Multi-lamp-driving system |
| 01/26/2005 | CN1571616A Low peak ratio electronic ballast with dual power factor correction |
| 01/26/2005 | CN1571615A Discharge lamp lighting device and lighting apparatus |
| 01/26/2005 | CN1571614A Highly efficient LC non resonant electronic high tube voltage ballast |
| 01/26/2005 | CN1571613A Method and apparatus for determining the resonant frequency of a resonant circuit |
| 01/26/2005 | CN1571261A Circuit for driving piezoelectric transformer |
| 01/26/2005 | CN1571114A 电磁感应灯 Electromagnetic induction lamp |
| 01/26/2005 | CN1570462A Compact type fluorescent lamp holder arrangement |
| 01/25/2005 | US6847175 Lighting ballast with reverse current flow protection |
| 01/25/2005 | US6847174 Drive for a half-bridge inverter |
| 01/25/2005 | US6847170 Smart light source with integrated operational parameters data storage capability |
| 01/25/2005 | CA2338507C Electronic ballast with frequency management |
| 01/25/2005 | CA2168706C Motion sensing system with adaptive timing for controlling lighting fixtures |
| 01/24/2005 | CA2475400A1 Circuit arrangement for operating at least one high-pressure discharge lamp |
| 01/20/2005 | WO2005006820A1 Electronic ballast |
| 01/20/2005 | WO2005006819A1 Method and device for driving a metal halide lamp |
| 01/20/2005 | WO2005006377A2 A protective and measure device for multiple cold cathode flourescent lamps |