| Patents for H05B 41 - Circuit arrangements or apparatus for igniting or operating discharge lamps (35,100) |
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| 02/13/2003 | WO2003013195A1 Discharge lamp operating device |
| 02/13/2003 | WO2003013194A1 Ballast with voltage and current sensors |
| 02/13/2003 | WO2003012994A1 Converter circuit for an electronic flash device |
| 02/13/2003 | WO2003012968A1 Improvements in or relating to a power distribution system |
| 02/13/2003 | WO2002047443A3 Improved control circuit for power factor corrected electronic ballasts and power supplies |
| 02/13/2003 | US20030031787 Chemisorption; for production of integrated circuits and semiconductor wafers |
| 02/13/2003 | US20030031037 Converter for converting an AC power main voltage to a voltage suitable for driving a lamp |
| 02/13/2003 | US20030030388 Optimal FM for HF operation of high intensity discharge (HID) lamps |
| 02/13/2003 | US20030030387 Discharge lamp lighting apparatus |
| 02/13/2003 | US20030030385 AC power generating apparatus having electrolytic capacitor and ceramic capacitor |
| 02/13/2003 | US20030030380 Vehicle light apparatus |
| 02/12/2003 | EP0956742B1 Electronic ballast with lamp current valley-fill power factor correction |
| 02/12/2003 | CN2535999Y Lamp-light energy-saviung microcomputerized controller |
| 02/12/2003 | CN1397150A Electronic ballast with feed-forward control |
| 02/12/2003 | CN1397149A Inverter circuit with coupled inductor for LCD backlight |
| 02/12/2003 | CN1396794A Multiple channels combined multifunctional fluorescent lamp holder controlled remotely by radio |
| 02/12/2003 | CN1396793A Device for removing stripe in pencil-shape lamp |
| 02/12/2003 | CN1101618C Pulse voltage series circuit for producing electric medium block discharge |
| 02/12/2003 | CN1101532C DC fluorescent lamp without stroboscopic effect |
| 02/11/2003 | US6518733 Circuits and techniques for capacitor charging circuits |
| 02/11/2003 | US6518715 Circuit arrangement for the energy-saving operation of a fluorescent tube |
| 02/11/2003 | US6518714 Flash lamps for underwater photography |
| 02/11/2003 | US6518712 Method and apparatus for controlling the operation of a lamp |
| 02/11/2003 | US6518710 Non-thermionic ballast-free energy-efficient light-producing gas discharge system and method |
| 02/06/2003 | WO2003011004A1 Lighting apparatus for discharge lamp |
| 02/06/2003 | WO2003011003A1 Discharge lamp lighting device |
| 02/06/2003 | WO2003010789A1 High pressure arc lamp assisted start up device and method |
| 02/06/2003 | US20030026097 Light fixture with submersible enclosure for an electric lamp |
| 02/06/2003 | US20030025510 Strobe charge apparatus |
| 02/06/2003 | US20030025483 Free-running circuit arrangement |
| 02/06/2003 | US20030025466 Circuit configuration to operate a gas discharge lamp |
| 02/06/2003 | US20030025464 Ballast with fast-responding lamp-out detection circuit |
| 02/06/2003 | US20030025463 Method of regulating power in a high-intensity-discharge lamp |
| 02/06/2003 | US20030025462 Cold cathode fluorescent lamp low dimming antiflicker control circuit |
| 02/06/2003 | US20030025461 Dynamic displays |
| 02/06/2003 | CA2388280A1 Ballast with fast-responding lamp-out detection circuit |
| 02/06/2003 | CA2388213A1 Ballast with efficient filament preheating and lamp fault protection |
| 02/05/2003 | EP1282342A2 Self-oscillating circuit arrangment |
| 02/05/2003 | EP1281295A1 Lamp ballast with non-linear resonant inductor |
| 02/05/2003 | CN2534770Y Capacitive fluorescent lamp igniting system |
| 02/05/2003 | CN2534769Y Large power electronic ballast sealing radiating shell |
| 02/04/2003 | US6516153 Capacitor charging apparatus and electronic flash and apparatus containing same |
| 02/04/2003 | US6515882 Power supply apparatus for lamp |
| 02/04/2003 | US6515881 Inverter operably controlled to reduce electromagnetic interference |
| 02/04/2003 | US6515437 Power supply for hybrid illumination system |
| 02/04/2003 | US6515436 Discharge lamp lighting apparatus and lighting appliance employing same |
| 02/04/2003 | US6515432 Circuit device |
| 02/04/2003 | US6515431 Multi-lamp protection circuit for an electronic ballast |
| 02/04/2003 | US6515430 Power supply for lamps |
| 02/04/2003 | US6515427 Inverter for multi-tube type backlight |
| 02/04/2003 | US6514420 Point-of use water treatment system |
| 01/31/2003 | CA2394540A1 Light fixture with submersible enclosure for an electric discharge lamp |
| 01/30/2003 | WO2003009652A1 Multiload ballast for electromagnetic radiation with simplified wiring |
| 01/30/2003 | WO2003009651A1 Overvoltage protection for hid lamp ballast |
| 01/30/2003 | WO2003009650A1 Device for operating a high-pressure discharge lamp |
| 01/30/2003 | WO2003009649A1 Dielectric barrier discharge lamp operating device |
| 01/30/2003 | WO2003009648A1 Lamp operating circuit for a gas discharge lamp |
| 01/30/2003 | US20030021104 Sensitive lighting fixture for construction junction box |
| 01/30/2003 | US20030020418 Ultra-high voltage impulse generator |
| 01/30/2003 | US20030020416 Discharge lamp ignition device, equipment and image forming apparatus |
| 01/30/2003 | US20030020414 Microwave excited ultraviolet lamp system with improved lamp cooling |
| 01/30/2003 | US20030020412 Electronic circuit for operating a HID lamp, and image projector |
| 01/29/2003 | EP1280388A1 Electronic ballast with preheating mode |
| 01/29/2003 | EP1280387A2 Electronic circuit for operating an HID lamp and an associated image projecting apparatus |
| 01/29/2003 | EP1280386A2 Discharge lamp ignition device, equipment and image forming apparatus |
| 01/29/2003 | EP1280385A1 Apparatus for operating respective single lamps among multiple lamps coupled to the same ballast |
| 01/29/2003 | EP1279321A1 Methods and systems for providing emission of incoherent radiation and uses therefor |
| 01/29/2003 | EP1279320A1 Igniter circuitry for gaseous discharge lamps |
| 01/29/2003 | EP1031258B1 Interface for a lamp operating device |
| 01/29/2003 | EP0958716B1 Method for determining the resonance frequency of an electric resonant circuit |
| 01/29/2003 | CN2533639Y Electronic ballast of metal halide lamp |
| 01/29/2003 | CN1394464A 电路布置 Circuit layout |
| 01/29/2003 | CN1394463A 数字镇流器 Digital ballasts |
| 01/29/2003 | CN1394462A Gas-discharge lamp type recognition based on built-in lamp electrical properties |
| 01/29/2003 | CN1394461A Electronic ballast employing startup transient voltage suppression circuit |
| 01/29/2003 | CN1394373A Apparatus and method for detecting short circuit in lighting system |
| 01/29/2003 | CN1394107A DC fluorescent lamp without stroboflash |
| 01/28/2003 | US6512890 Multi-flash photography system |
| 01/23/2003 | WO2003007668A1 Ballast socket for compact fluorescent lamp |
| 01/23/2003 | WO2003007667A1 Ballast socket for compact fluorescent lamp |
| 01/23/2003 | WO2003007666A1 A load conditioner |
| 01/23/2003 | US20030016204 Portable computer system and controlling method thereof |
| 01/23/2003 | US20030015974 Ballast for operating at least one low-pressure discharge lamp |
| 01/23/2003 | US20030015972 Lamp lighting apparatus and projector using the same |
| 01/23/2003 | US20030015971 Apparatus for driving a fluorescent lamp |
| 01/23/2003 | US20030015970 Electronic elimination of striations in linear lamps |
| 01/23/2003 | US20030015969 High pressure arc lamp assisted start up device and method |
| 01/23/2003 | US20030015966 Light source device of a liquid crystal display |
| 01/23/2003 | US20030015943 Rosen type piezoelectric transformer with multiple output electrodes, and stabilizer for multiple light source using that |
| 01/23/2003 | US20030015479 Inductively coupled ballast circuit |
| 01/23/2003 | US20030015478 Used to monitor various functional and operational aspects of the electromagnetic radiation emitting assembly and a filter assembly used in the fluid treatment system. |
| 01/23/2003 | CA2394409A1 Ballast for operating at least one low-pressure discharge lamp |
| 01/23/2003 | CA2393815A1 Apparatus for operating respective single lamps among multiple lamps coupled to the same ballast |
| 01/22/2003 | EP1278403A1 Starter transformer for discharge lamp |
| 01/22/2003 | EP1277375A1 Lamp start-up sequence with interruption period |
| 01/22/2003 | EP1277374A1 Ballast with peak detector |
| 01/22/2003 | CN2532658Y Illumination device |
| 01/22/2003 | CN2532657Y Power transistor heat sink structure for electronic ballast |
| 01/22/2003 | CN1393119A Power module for high intensity discharge lamp |
| 01/22/2003 | CN1393020A Electromagnetic device and high-voltage geratating device and method of producing electromagnetic device |