| Patents for H05B 41 - Circuit arrangements or apparatus for igniting or operating discharge lamps (35,100) |
|---|
| 01/17/2002 | WO2002005600A1 Method and circuit for operating a sodium high-pressure lamp |
| 01/17/2002 | DE10111220A1 Entladungslampenzündschaltung Entladungslampenzündschaltung |
| 01/17/2002 | DE10053196A1 Working light used in e.g. as-yet unlit rooms on building sites, includes emergency lighting unit to enable continued use in event of mains interruption |
| 01/17/2002 | CA2384513A1 Method and circuit arrangement for operating a sodium high-pressure lamp |
| 01/16/2002 | EP1173050A2 High pressure discharge lamp |
| 01/16/2002 | EP1172024A1 Protection circuit with ntc resistance |
| 01/16/2002 | EP0931436B1 A power distribution system |
| 01/16/2002 | EP0922375B1 Universal high intensity discharge (hid) electronic starter |
| 01/16/2002 | EP0838128B1 Circuit arrangement |
| 01/16/2002 | EP0797907B1 Circuit arrangement |
| 01/16/2002 | EP0797906B1 Circuit arrangement |
| 01/16/2002 | EP0797905B1 Circuit arrangement |
| 01/16/2002 | CN2472453Y Electronic ballast for fluorescent tube |
| 01/16/2002 | CN2472452Y High performance and cheap emergent lamp for fire control |
| 01/16/2002 | CN2472451Y Capacitor ignitor for fluorescent tube |
| 01/16/2002 | CN1331556A Digital ballast of metal halide lamp |
| 01/16/2002 | CN1331485A High voltage electric discharge lamp |
| 01/15/2002 | US6339299 Preheating circuit for detecting the filament temperature of fluorescent lamps |
| 01/15/2002 | US6339298 Dimming ballast resonant feedback circuit |
| 01/15/2002 | US6339296 Low profile emergency ballast |
| 01/15/2002 | CA2211054C Fluorescent lamp lighting device |
| 01/13/2002 | CA2314023A1 Power control circuits for luminaires |
| 01/10/2002 | WO2002003762A1 Device for starting and powering a gas discharge lamp and illuminating apparatus comprising same |
| 01/10/2002 | WO2002003535A1 Frequency controlled half-bridge inverter for variable loads |
| 01/10/2002 | US20020003525 Driving circuit for LCD backlight |
| 01/10/2002 | DE10038218A1 Control unit for energy conserving operation of fluorescent lamp has three terminal control unit |
| 01/10/2002 | DE10028991A1 Arrangement for producing dielectrically hindered discharges in purifying and disinfecting drinking water and effluent comprises control device divided into low voltage pulse producing part and power part having bridge switch |
| 01/09/2002 | EP0934683A4 Inductive-resistive fluorescent apparatus and method |
| 01/09/2002 | EP0804863B1 Circuit arrangement |
| 01/09/2002 | CN2471057Y Preheating typ all-digital electronic ballast |
| 01/09/2002 | CN2471056Y Improved electronic ballast of fluorescent lamp |
| 01/08/2002 | US6337800 Electronic ballast with inductive power feedback |
| 01/08/2002 | US6337544 Digital lamp signal processor |
| 01/08/2002 | US6337541 Electroluminescent lighting device |
| 01/03/2002 | WO2002001924A2 Cold cathode fluorescent lamp controller |
| 01/03/2002 | WO2002001290A1 Image display apparatus |
| 01/03/2002 | US20020001466 Camera with built-in electronic flash and electronic flash device |
| 01/03/2002 | US20020001209 Power supply apparatus for lamp |
| 01/03/2002 | DE10030271A1 Gas discharge lamp control circuit has two choke coils, capacitor and bridge caused by drive circuit to bridge second coil, capacitor or integrate them into current supply |
| 01/02/2002 | EP1168894A2 Metal halide lamp lumen depreciation improvement |
| 01/02/2002 | EP1168893A1 Ballast for discharge lamp |
| 01/02/2002 | EP1166605A1 An improved power feedback power factor correction scheme for multiple lamp operation |
| 01/02/2002 | EP1166430A1 Universal power module |
| 01/02/2002 | EP1016332B1 A circuit for synchronizing the ignition of electronic ballast discharge lamps |
| 01/02/2002 | EP0868833B1 High-pressure discharge lamp with an auxiliary ignition electrode as well as circuitry and process for operation |
| 01/02/2002 | CN2469656Y Invert power supply unit used for lamp-socket |
| 01/02/2002 | CN2469655Y Power source of gas discharge lamp by high-frequency igniting |
| 01/02/2002 | CN2469654Y Electronic ballast for multiple fluorescent tubes simultaneous lighting |
| 01/02/2002 | CN2469653Y Quick-action fluorescent lamp trigger |
| 01/02/2002 | CN1329356A Bulb type luminous device for fluorescent lamp |
| 01/02/2002 | CN1329355A Fluorescent lamp device with built-in starting circuit |
| 01/01/2002 | US6335596 Control device of a flash type movable decorating lamp |
| 12/27/2001 | WO2001099477A1 Circuit device |
| 12/27/2001 | WO2001099476A1 Circuit device |
| 12/27/2001 | WO2001098853A1 Ballast control ic with minimal internal and external components |
| 12/26/2001 | CN2468259Y Whole AC output fluorescent lamp electronic ballast |
| 12/26/2001 | CN2468258Y Electronic stabilizing device |
| 12/26/2001 | CN1328627A DC fluorescent lamp without stroboscopic effect |
| 12/26/2001 | CN1328413A Electronic ballast for discharging lamp |
| 12/26/2001 | CN1076945C Method for making at least one fluorescent lamp running by electronic ballast and electronic ballast thereof |
| 12/25/2001 | US6333607 High voltage discharge lamp device |
| 12/25/2001 | US6333606 Ballast for discharge lamp |
| 12/25/2001 | US6333605 Light modulating electronic ballast |
| 12/25/2001 | US6333602 Smart light source with integrated operational parameters data storage capability |
| 12/20/2001 | WO2001097574A2 Control circuits for fluorescent tubes |
| 12/20/2001 | WO2001097573A1 Discharge lamp lighting device |
| 12/20/2001 | WO2001097572A1 Electronic ballast for a discharge lamp |
| 12/20/2001 | WO2001065893A3 Electronic ballast |
| 12/20/2001 | US20010053055 Monitor for detecting failures of neon sign transformers |
| 12/20/2001 | DE10128279A1 Transformer device e.g. for discharge lamp of illumination system, has core housing comprising dielectric material and has secondary coil wound around outer peripheral surface of core |
| 12/20/2001 | DE10064039A1 Discharge lamp switch-on arrangement e.g. for motor vehicle applications, has input of switching circuit connected to output via field effect transistor (FET) |
| 12/19/2001 | EP1164820A1 Dielectric barrier discharge lamp apparatus |
| 12/19/2001 | EP1164819A1 Dimmable electronic ballast |
| 12/19/2001 | EP1164818A1 Light bulb type fluorescent lamp lighting apparatus |
| 12/19/2001 | CN1327709A Circuit device to adapt high power gas discharge lamps |
| 12/19/2001 | CN1327708A Electronic ballast and method of manufacturing same |
| 12/19/2001 | CN1327707A Lighting control system including a wireless remote sensor |
| 12/19/2001 | CN1327256A High brightness discharge lamp and igniting device of high brightness discharge lamp |
| 12/19/2001 | CN1076575C 镇流器 Ballast |
| 12/19/2001 | CN1076539C 电源装置和放电灯点灯装置 The power supply device and the discharge lamp lighting device |
| 12/18/2001 | US6331755 Circuit for detecting near or below resonance operation of a fluorescent lamp driven by half-bridge circuit |
| 12/13/2001 | US20010050735 Liquid crystal display device having an improved backlight |
| 12/13/2001 | US20010050513 Driving method and driving circuit for piezoelectric transformer, cold cathode tube emission device, liquid crystal panel and liquid crystal panel built-in apparatus |
| 12/13/2001 | DE10127783A1 Discharge lamp drive apparatus has lighting controller which feeds discharge lamp with higher current during build-up time interval |
| 12/13/2001 | DE10028657A1 Reducing mercury condensate on electrodes of xenon lamps used by vehicles, is achieved by supply of ignition pulses some time after switching off |
| 12/12/2001 | EP1162865A2 High-intensity discharge lamp and high-intensity discharge lamp operating apparatus |
| 12/12/2001 | EP1162498A1 Temperature-compensed electronic flash device |
| 12/12/2001 | EP1161853A1 A networkable power controller |
| 12/12/2001 | EP1161713A1 Sequential, clamped, single-ended ignition of series operation arc lamps |
| 12/12/2001 | EP1135975A4 Non-thermionic ballast-free energy-efficient light-producing gas discharge system and method |
| 12/12/2001 | CN2465438Y High-pressure gas lamp power source |
| 12/12/2001 | CN2465437Y Gas discharging switch |
| 12/12/2001 | CN1326310A Low deformation circuit regulating device and regulating ballast |
| 12/11/2001 | US6329767 Automatic light dimmer for gas discharge lamps |
| 12/11/2001 | US6329766 Digital illumination adjusting circuit |
| 12/11/2001 | US6329762 Discharge lamp driver circuit |
| 12/11/2001 | US6329761 Frequency controlled half-bridge inverter for variable loads |
| 12/06/2001 | WO2001093645A1 A power supply altering means |
| 12/06/2001 | WO2001093644A2 Gas-discharge lamp including a fault protection circuit |
| 12/06/2001 | WO2001093643A1 Lamp ballast for reducing interference current |