| Patents for H05B 41 - Circuit arrangements or apparatus for igniting or operating discharge lamps (35,100) |
|---|
| 05/08/2002 | CN2490788Y Ballast |
| 05/08/2002 | CN2490787Y High-performance electronic ballast |
| 05/08/2002 | CN2490786Y Safety device capable of direct changed for light modulator |
| 05/08/2002 | CN1348676A High power electronic ballast with an integrated magnetic component |
| 05/08/2002 | CN1348675A Frequency controlled ballast with loosely coupled transformer with gap shunt and method therefor |
| 05/08/2002 | CN1348325A Multimedia interlocking power-saving method and power-saving fan, socket, fluorescent lamp and kitchen ventilator |
| 05/08/2002 | CN1084583C Stepped starting type electronic ballast for high strength gas discharge lamp |
| 05/08/2002 | CN1084546C Converter with output modulation circuit |
| 05/08/2002 | CA2361336A1 Method and apparatus for disabling sodium ignitor upon failure of discharge lamp |
| 05/07/2002 | US6385068 Circuit device |
| 05/07/2002 | US6384704 Trigger coil |
| 05/07/2002 | US6384545 Lighting controller |
| 05/07/2002 | US6384544 High intensity discharge lamp ballast |
| 05/07/2002 | US6384543 Switching device |
| 05/02/2002 | WO2002035894A1 Circuit arrangement |
| 05/02/2002 | WO2002035893A1 Circuit arrangement |
| 05/02/2002 | WO2002035892A2 Electronic ballast with continued conduction of line current |
| 05/02/2002 | WO2002035891A2 Fluorescent lamp driver circuit |
| 05/02/2002 | WO2002035489A1 Energy-saving light marking device with low power consumption |
| 05/02/2002 | US20020050824 Operating device for gas discharge lamps with detection of filament breakage |
| 05/02/2002 | US20020050797 Lighting system with caring preheating of gas discharge lamps |
| 05/02/2002 | US20020050796 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 |
| 05/02/2002 | EP1202613A2 Device for at least one electric lamp with control input and operating method for electric lamps using such a device |
| 05/02/2002 | EP1202612A2 Lighting system with improved preheating of discharge lamps |
| 05/02/2002 | EP1202611A1 Electronic flash device with piezoelectric transformer |
| 05/02/2002 | EP1201106A1 Electronic ballast |
| 05/02/2002 | DE10147679A1 Capacitor used for producing a start impulse in discharge lamps comprises a plate-like capacitor element, electrodes and connections joined to the electrodes using a connecting part made from a metal in combination with a ceramic powder |
| 05/02/2002 | DE10053590A1 Betriebsgerät für mindestens eine elektrische Lampe mit Steuereingang und Betriebsverfahren für elektrische Lampen an einem derartigen Betriebsgerät Operating device for at least one electric lamp with control input and operating method for electric lamps in such an operating device |
| 05/01/2002 | CN2489546Y Electronic ballast for constant power gas discharge lamp |
| 05/01/2002 | CN1347273A Operation device for detecting filament breakage gas discharge lamp |
| 05/01/2002 | CN1347272A 无电极放电灯装置 An electrodeless discharge lamp device |
| 05/01/2002 | CN1347002A Photograph film unit provided with camera lens and electronic flash device for said unit |
| 05/01/2002 | CN1084135C Feedback control system of ballast |
| 04/30/2002 | US6380695 Driving device for fluorescent tube |
| 04/30/2002 | US6380694 Variable structure circuit topology for HID lamp electronic ballasts |
| 04/30/2002 | US6380679 Short-arc discharge lamp with a starting antenna |
| 04/30/2002 | US6380118 Nonlinear dielectric ceramic, pulse generating capacitor, high-pressure vapor discharge lamp circuit, and high-pressure vapor discharge lamp |
| 04/30/2002 | CA2360052A1 Lighting system with caring preheating of gas discharge lamps |
| 04/27/2002 | CA2360200A1 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 |
| 04/25/2002 | WO2002034015A1 Electronic ballast comprising a full bridge circuit |
| 04/25/2002 | WO2002034014A1 Centrally-controlled electronic ballast with enhanced power savings |
| 04/25/2002 | WO2002033502A1 Ballast control ic with power factor correction |
| 04/25/2002 | US20020047647 Illumination lamp having brightness and color control |
| 04/25/2002 | US20020047645 Ballast for discharge lamp |
| 04/25/2002 | US20020047644 Discharge lamp lighting circuit |
| 04/25/2002 | US20020047643 Discharge lamp lighting method and discharge lamp lighting apparatus |
| 04/25/2002 | US20020047641 Discharge lamp lighting circuit |
| 04/25/2002 | US20020047640 Discharge lamp lighting circuit |
| 04/25/2002 | US20020047639 Discharge lamp apparatus |
| 04/25/2002 | US20020047638 Fluorescent lamp ballast with integrated circuit |
| 04/25/2002 | US20020047636 High voltage discharge lamp device |
| 04/25/2002 | US20020047635 Ballast control IC with power factor correction |
| 04/25/2002 | US20020047634 Discharge lamp lighting circuit |
| 04/25/2002 | US20020047630 Gas-discharge lamp having brightness control |
| 04/25/2002 | US20020047629 Gas-discharge lamp including a fault protection circuit |
| 04/25/2002 | US20020047626 Flash apparatus and camera having the flash apparatus |
| 04/25/2002 | US20020047625 Piezoelectric transformer, driver circuit incorporating the piezoelectric transformer, and liquid crystal display apparatus incorporating the driver circuit |
| 04/25/2002 | US20020047621 Ballast for feeding a high-pressure gas discharge lamp |
| 04/25/2002 | US20020047619 Inverter for multi-tube type backlight |
| 04/25/2002 | US20020047618 Electromagnetic ballast for serially connected gaseous discharge lamps |
| 04/25/2002 | US20020047617 Operating device for discharge lamps with switch relief for the preheating of electrode filaments |
| 04/25/2002 | US20020047616 Transformer device, high voltage generating apparatus having the same, and lighting system having them |
| 04/25/2002 | US20020047615 Electrodeless discharge lamp system |
| 04/25/2002 | US20020047614 Fluorescent lamp circuit structure |
| 04/25/2002 | US20020047613 Xenon flash light source apparatus, socket for xenon flash light source apparatus, and rectifier apparatus |
| 04/25/2002 | US20020047612 Bulb-shaped fluorescent lamp |
| 04/25/2002 | US20020047610 High-pressure mercury lamp luminescent device and means of ignition |
| 04/25/2002 | US20020047609 Ballast for discharge lamp |
| 04/25/2002 | US20020047608 Discharge lamp operating apparatus, self-ballasted discharge lamp, dimmer and illumination kit for dimming |
| 04/25/2002 | US20020047607 Electronic ballast with intermediate circuit regulation |
| 04/25/2002 | US20020047604 Electronic circuits for detecting filament breakage in gas discharge lamps |
| 04/25/2002 | US20020047603 Discharge lamp driving apparatus and lighting fixture using the apparatus |
| 04/25/2002 | US20020047602 Reducing the clamping voltage of operating devices for gas discharge lamps |
| 04/25/2002 | US20020047601 Method and apparatus for controlling a discharge lamp in a backlighted display |
| 04/25/2002 | US20020047599 Circuit device |
| 04/25/2002 | US20020047598 Circuit device |
| 04/25/2002 | US20020047597 High pressure discharge lamp |
| 04/25/2002 | US20020047556 Backlight for liquid crystal display |
| 04/25/2002 | US20020047547 Externally mountable discharge lamp ignition circuit having visual diagnostic indicator |
| 04/25/2002 | US20020047546 Smart light source with integrated operational parameters data storage capability |
| 04/25/2002 | US20020047530 Electric discharge lamp lighting device |
| 04/25/2002 | US20020047529 High-pressure discharge lamp |
| 04/25/2002 | US20020047526 Metal halide discharge lamp, lighting device for metal halide discharge lamp, and illuminating apparatus using metal halide discharge lamp |
| 04/25/2002 | DE10051139A1 Electronic voltage adapter has full bridge circuit with both diagonals having regulated constant current source for regulating the gas discharge lamp current |
| 04/24/2002 | EP1199911A1 Ballast method and apparatus and coupling therefor |
| 04/24/2002 | EP1199910A1 Dimmer for an aircraft cockpit |
| 04/24/2002 | EP1198977A1 Electric load |
| 04/24/2002 | EP1198976A1 Inductive electrodeless lamp providing rotating electric field |
| 04/24/2002 | EP1198975A2 Electronic ballast |
| 04/24/2002 | EP1198824A2 Lamp, oscillator and lighting apparatus |
| 04/24/2002 | EP0876742B1 Method and control circuit for regulation of the operational characteristics of gas discharge lamps |
| 04/24/2002 | CN2488252Y Electronic ballast for energy-saving fluorescent lamp |
| 04/24/2002 | CN1346534A Electronic ballasts with current and voltage feedback paths |
| 04/24/2002 | CN1346070A Flash device, photographic film unit with lens, camera and making method |
| 04/23/2002 | US6377107 Fast turn-off circuit arrangement |
| 04/23/2002 | US6377087 Driving scheme for bipolar transistors |
| 04/23/2002 | US6377000 Electronic ballast for gas discharge lamp |
| 04/23/2002 | US6376999 Electronic ballast employing a startup transient voltage suppression circuit |
| 04/23/2002 | US6376998 Feeding device for discharge lamp |
| 04/23/2002 | US6376997 Circuit arrangement |