Patents
Sitemap › H05 - Electric techniques not otherwise provided for › H05B - Electric heating; Electric lighting not otherwise provided for › H05B 41 - Circuit arrangements or apparatus for igniting or operating discharge lamps
Patents for H05B 41 - Circuit arrangements or apparatus for igniting or operating discharge lamps (35,100)
07/2003
07/17/2003WO2003059017A1 Basic halogen convertor ic
07/17/2003WO2003058665A2 Air-cooled lamp, and article treatment system and method utilizing an air-cooled lamp
07/17/2003US20030132929 Controlling power of liquid crystal display device
07/17/2003US20030132720 Power consumption controller for pressurized gas lights
07/17/2003US20030132719 Electrodeless lighting system and bulb therefor
07/17/2003US20030132718 Filament cut-back circuit
07/17/2003US20030132717 Ballast device for uv emitter and method and device for disinfection of water
07/17/2003US20030132692 Flash emitting device and radiant heating apparatus
07/16/2003EP1328139A1 Digital powerline control
07/16/2003EP1327382A2 A system and method for employing pulse width modulation for reducing vertical segregation in a gas discharge lamp
07/16/2003EP1327381A2 Circuit arrangement
07/16/2003EP1327184A1 Ballast control ic with power factor correction
07/16/2003EP1103166B1 Electronic ballast for at least one low-pressure discharge lamp
07/16/2003EP1103165B1 Electronic ballast for at least one low-pressure discharge lamp
07/16/2003CN2561189Y Colourful fluorescent lamp device for lamp box and signboard
07/16/2003CN2561160Y Multigroup load piezoelectric change-over circuit driving module
07/16/2003CN1430461A Lamp circuit arrangement and method for driving circuit arrangement of lamp
07/16/2003CN1430460A Driving apparatus of gas discharge lamp
07/16/2003CN1430459A Running equipment for discharge lamp with preheating device
07/16/2003CN1430458A Electronic ballast system with emergency lighting apparatus
07/16/2003CN1430457A Running device and running method for high-tension discharge lamp
07/16/2003CN1430456A Discharge-tube lighting installation and its lighting apparatus
07/16/2003CN1430232A Series resonance neonlamp transformer
07/15/2003USRE38183 Synchronization circuit for visual/audio alarms
07/15/2003US6593709 Dual mode electronic dimmer
07/15/2003US6593707 Cross connection structure for dual high-pressure discharge lamp banks and transformers thereof
07/15/2003US6593706 High pressure neon arc lamp
07/15/2003US6593705 Rapid-firing flashlamp discharge circuit
07/15/2003US6593704 Method and ballast for feeding a UV light low pressure radiator
07/15/2003US6593703 Apparatus and method for driving a high intensity discharge lamp
07/10/2003WO2003056887A1 Discharge lamp operation apparatus
07/10/2003WO2003056886A1 Electronic circuit, and method of operating a high-pressure lamp
07/10/2003WO2003056885A1 Circuit arrangement for operation of one or more lamps
07/10/2003WO2003056884A1 Electronic ballast with rail voltage switching
07/10/2003WO2003056883A1 Lamp and method of manufacturing the same
07/10/2003WO2003056817A1 Image projector and method of operating same
07/10/2003WO2003056537A1 Electronic ballast with low voltage output
07/10/2003WO2003032692A3 Dimmable ballast for electrodeless fluorescent lamps
07/10/2003US20030128974 Strobe charging device
07/10/2003US20030127998 Lighting depreciation compensation system and method
07/10/2003US20030127997 Device for turning on light and illumination apparatus
07/10/2003US20030127995 High frequency electronic ballast
07/10/2003US20030127993 High frequency electronic ballast
07/10/2003US20030127990 Remote-control device of lamp series control box
07/09/2003EP1326487A1 Digital regulation of fluorescent lamps
07/09/2003EP1326486A1 Operating circuit for discharge lamps with pre-heating electrodes
07/09/2003EP1326485A2 Ballast for a lamp, and method for operating said ballast
07/09/2003EP1326484A2 Apparatus for operating discharge lamps
07/09/2003EP1326483A1 Operating device and method for high pressure discharge lamps
07/09/2003EP1325672A2 Electronic ballast employing a startup transient voltage suppression circuit
07/09/2003CN2560188Y Electronic transformer of halogen tungsten lamp
07/09/2003CN2560187Y Instantaneous igniting fluorescent lamp apparatus utilizing high frequency power
07/09/2003CN2560186Y Start-up circuit apparatus for instantaneous igniting fluorescent lamp
07/09/2003CN1429059A Fault protection circuit for electronic balast of fluorescent lamp
07/09/2003CN1429058A High energy-saving electronic regulating control equipment
07/09/2003CN1429057A Method for starting illuminator and its illuminator equipment
07/09/2003CN1428828A Flash radiation appliance and optical heating device
07/09/2003CN1428758A Drive circuit and drive method, back light, liquid crystal display device for piezoelectric transformer
07/08/2003US6590351 Operating device for at least one electric lamp with a control input, and an operating method for electric lamps connected to such an operating device
07/08/2003US6590350 Lighting system with a high intensity discharge lamp
07/08/2003US6590348 Discharge lamp lighting method and discharge lamp lighting apparatus
07/03/2003WO2003055283A1 Programmable system for stabilising and regulating voltage in particular for the improved management of lighting units using fluorescent bulbs and like
07/03/2003WO2003055282A1 The use of arc straightening in hid lamps operated at vhf frequencies
07/03/2003WO2003055281A1 Electronic ballast with an overvoltage monitoring device
07/03/2003WO2003055280A1 Method and apparatus for dimming high-intensity fluorescent lamps
07/03/2003WO2003055279A1 Reducing vertical segregation in a hid lamp operated at vhf frequencies
07/03/2003WO2003055278A1 Electronic ballast and operating method for a gas discharge lamp
07/03/2003WO2002051214A9 Gas discharge lamp base comprising an ignition device
07/03/2003WO2000078678A3 Fluid treatment system with electromagnetic radiation
07/03/2003US20030122508 Cool cathode tube control circuit
07/03/2003US20030122506 Discharge lamp lighting apparatus
07/03/2003US20030122505 Operating appliance and an operating method for high-pressure lamps
07/03/2003US20030122504 Operating device for gas discharge lamp
07/03/2003US20030122501 Lighting system
07/03/2003US20030122500 Electronic ballast of fluorescent lamp for reducing current of electrodes after lamp turns on
07/03/2003US20030122499 Operating device for discharge lamps having a preheating device
07/03/2003US20030121901 Radiant heating apparatus and discharge current detecting circuit therefor
07/02/2003EP1324643A1 Electronic ballast with over temperature protection
07/02/2003EP1324357A1 Electromagnetic device and high-voltage generating device and method of producing electromagnetic device
07/02/2003EP1323976A2 Lighting apparatus
07/02/2003CN2559180Y Electronic ballast of asymmetric oscillating circuit type fluorescent lamp
07/02/2003CN1427767A Apparatus and system for production of plastic lenses
07/02/2003CN1113583C Electronic ballast for fluorescent lamp
07/02/2003CN1113582C Method for operating lighting system and suitable lighting system therefor
07/02/2003CN1113466C Driving circuit for bridge transistor
07/02/2003CA2415512A1 Operating device for discharge lamps having a preheating device
07/02/2003CA2415510A1 Operating device for gas discharge lamps
07/02/2003CA2415509A1 Ballast for a lamp and method for operating a ballast for a lamp
07/01/2003US6586892 Method of and device for operating a gas discharge lamp
07/01/2003US6586891 High-intensity discharge lamp and high-intensity discharge lamp operating apparatus
07/01/2003US6586884 Method and device for managing the supply to a discharge lamp
07/01/2003US6586863 Rosen type piezoelectric transformer with multiple output electrodes
06/2003
06/26/2003US20030117089 Driving serially connected high intensity discharge lamps
06/26/2003US20030117086 Use of arc straightening in HID lamps operated at VHF frequencies
06/26/2003US20030117085 Reducing vertical segregation in a HID lamp operated at VHF frequencies using simultaneous arc straightening and color mixing
06/26/2003US20030117084 Ballast with lamp sensor and method therefor
06/25/2003EP1322142A1 Electronic ballast with monitoring circuit for lamp rectifying effect
06/25/2003EP1322141A1 Hid lamp operating circuit
06/25/2003EP1322140A1 Circuit for lighting hid lamp
06/25/2003EP1321964A2 Discharge lamp with starting aid
1 ... 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 ... 351