| Patents for H05B 41 - Circuit arrangements or apparatus for igniting or operating discharge lamps (35,100) |
|---|
| 08/28/2002 | CN2508518Y Fluorescent lamp light-modulator |
| 08/28/2002 | CN2508517Y Electric trigger for low power lamp |
| 08/28/2002 | CN2508516Y Energy-saving electronic ballast for fluorescent lamp |
| 08/28/2002 | CN1366796A Switched dimming ballast |
| 08/28/2002 | CN1366795A Igniter circuitry for gaseous discharge lamps |
| 08/28/2002 | CN1366794A Lamp start-up sequence with interruption period |
| 08/28/2002 | CN1366793A Lamp ballast with non-linear resonant inductor |
| 08/28/2002 | CN1366292A Backside luminescence assembly block and liquid crystal display apparatus having backside luminescence assembly block |
| 08/27/2002 | US6441713 Discharge lamp apparatus |
| 08/27/2002 | US6441564 High efficacy pulsed, dimmable high pressure cesium lamp |
| 08/22/2002 | WO2002065819A2 Lamp electronic end cap for integral lamp |
| 08/22/2002 | WO2002065630A1 System for controlling electrical loads, particularly lighting units |
| 08/22/2002 | WO2002032195A3 Discharge lamps preheating |
| 08/22/2002 | US20020114171 Lamp assembly for liquid crystal display device |
| 08/22/2002 | US20020114121 Circuit arrangement for switching on a partial circuit arrangement |
| 08/22/2002 | US20020114114 Protection circuit for a fluorescent lamp |
| 08/22/2002 | US20020113559 Electronic ballast |
| 08/22/2002 | US20020113557 Circuit arrangement |
| 08/22/2002 | US20020113556 Self-oscillating electronic discharge lamp ballast with dimming control |
| 08/22/2002 | DE10152937A1 Gasentladungslampen-Einschaltvorrichtung mit optimierter Schaltungskonfiguration Gas discharge lamp starting device with optimized circuit configuration |
| 08/22/2002 | DE10104380A1 Schaltungstopologie für ein elektronisches Vorschaltgerät zum Dimmen von Gasentladungslampen Circuit topology for an electronic dimming ballast of gas discharge lamps |
| 08/21/2002 | EP1233657A2 Protective circuit for a fluorescent lamp |
| 08/21/2002 | EP1233656A1 Power supply for hybrid lighting system |
| 08/21/2002 | EP0738311B1 Fluorescent materials for illumination purposes |
| 08/21/2002 | CN2507134Y High-frequency electrode free lamp |
| 08/20/2002 | US6437520 Electronic ballast with cross-coupled outputs |
| 08/20/2002 | US6437519 Discharge lamp lighting circuit |
| 08/20/2002 | US6437518 Lighting circuit for an electric discharge lamp |
| 08/20/2002 | US6437517 Method and system for exciting an azimuthal acoustic and longitudinal acoustic combination mode |
| 08/20/2002 | US6437516 Unsaturating transformer, an electronic ballast using the transformer, and a self-ballasted |
| 08/20/2002 | US6437515 Discharge lamp lighting device of high startability with high pulse voltage |
| 08/20/2002 | US6437502 Selfballasted fluorescent lamp having specified tube geometry, luminous flux, lamp efficiency and power requirements |
| 08/20/2002 | US6436299 Generation of electromagnetic radiation using electrical signals from controllers, which monitors emitters and filters using radio frequency |
| 08/20/2002 | CA2373571A1 Protective circuit for a fluorescent lamp |
| 08/15/2002 | WO2002063932A1 Universal hardware/software feedback control for high-frequency signals |
| 08/15/2002 | WO2002063931A1 Universal cascade of heavy current and high voltage, type-2001 |
| 08/15/2002 | WO2002063930A2 A modified electronic ballast for a fluorescent lamp |
| 08/15/2002 | WO2002063756A1 Electric switch apparatus and electronic ballast using the same |
| 08/15/2002 | WO2002063754A1 Self-oscillating circuit for driving high-side and low-side switching devices with variable width pulses |
| 08/15/2002 | WO2002063206A2 Apparatus and methods relating to wavelength conditioning of illumination |
| 08/15/2002 | US20020111070 Lamp electronic end cap for integral lamp |
| 08/15/2002 | US20020109471 Self-oscillating circuit for driving high-side and low-side |
| 08/15/2002 | US20020109469 Discharge lamp lighting circuit |
| 08/15/2002 | US20020109468 Discharge lamp lighting circuit |
| 08/15/2002 | US20020109467 Discharge-lamp lighting circuit |
| 08/15/2002 | US20020109466 Ballast for operating electric lamps |
| 08/15/2002 | US20020109462 Compact fluorescent lamp, self-ballasted fluorescent lamp and luminaire |
| 08/14/2002 | EP1231822A2 Integrated bridge inverter circuit for discharge lighting |
| 08/14/2002 | EP1231821A1 Ballast for electrical lamps |
| 08/14/2002 | EP0941636B1 Circuit with a pumping choke for improving the power factor |
| 08/14/2002 | DE10106438A1 Vorschaltgerät zum Betrieb von elektrischen Lampen Ballast for use with electric lamps |
| 08/14/2002 | CN2506050Y High reliable low distortion electron ballast |
| 08/14/2002 | CN2506001Y Universal socket type electron ballast fluorescent lamp base |
| 08/14/2002 | CN2505847Y Electron rectifier testing apparatus |
| 08/14/2002 | CN1364399A Switching ballast device |
| 08/14/2002 | CN1364398A Improved pulsed operation method for a silent discharge lamp |
| 08/14/2002 | CN1364397A Insulative cover for double connector |
| 08/13/2002 | US6433492 Magnetically shielded electrodeless light source |
| 08/13/2002 | US6433491 Energy converter having a control circuit |
| 08/13/2002 | US6433490 Electronic ballast for at least one low-pressure discharge lamp |
| 08/13/2002 | US6433458 Method and unit for driving piezoelectric transformer used for controlling luminance of cold-cathode tube |
| 08/09/2002 | CA2370919A1 Ballast for operating electric lamps |
| 08/08/2002 | WO2002062107A1 Electronic circuit to initiate and sustain current conduction in gaseous discharge lamps and method |
| 08/08/2002 | WO2002035891A3 Fluorescent lamp driver circuit |
| 08/08/2002 | US20020107584 Universal hardware/software feedback control for high-frequency signals |
| 08/08/2002 | US20020105291 Mult-lamp protection circuit for an electronic ballast |
| 08/08/2002 | US20020105288 Ultra-high pressure discharge lamp lighting method, ultra-high pressure discharge lamp to which the method is applicable and ballast for use therein, and lighting system incorporating the lamp and the ballast |
| 08/08/2002 | US20020105284 Gas-discharge lamp lighting apparatus with optimized circuit configuration |
| 08/08/2002 | US20020105283 Discharge lamp lighting device |
| 08/08/2002 | DE10160790A1 Schaltungsanordnung zum Einschalten einer Teilschaltungsanordnung Circuitry for switching a partial circuit arrangement |
| 08/08/2002 | DE10102940A1 Mikrocontroller, Schaltnetzteil, Vorschaltgerät zum Betrieb mindestens einer elektrischen Lampe und Verfahren zum Betreiben mindestens einer elektrischen Lampe Microcontroller, switching power supply, ballast for operating at least one electric lamp and method for operating at least one electric lamp, |
| 08/07/2002 | EP1229567A1 Discharge lamp with a starting gas |
| 08/07/2002 | EP1228672A1 A power oscillator for driving a discharge lamp |
| 08/07/2002 | EP1228671A2 Compander for power control in a ballast |
| 08/07/2002 | EP1042942B1 An electronic ballast for a gas discharge lamp |
| 08/07/2002 | EP0928552B1 Arrangement for determining the state of a high-pressure gas discharge lamp on switching-on |
| 08/07/2002 | CN1363204A Electric load |
| 08/07/2002 | CN1363203A 电子镇流器 Electronic Ballast |
| 08/07/2002 | CN1363202A Protection circuit with NTC resistance |
| 08/07/2002 | CN1362850A Drive apparatus and method of cold cathode fluorescent lamp |
| 08/07/2002 | CN1088909C Low-voltage fluorescence lamp lighting device |
| 08/06/2002 | US6430027 Pulse generating capacitor |
| 08/06/2002 | US6429605 Control sequence for electronic ballast |
| 08/06/2002 | US6429604 Power feedback power factor correction scheme for multiple lamp operation |
| 08/06/2002 | US6429603 Discharge lamp lighting apparatus |
| 08/06/2002 | US6429602 Fluorescent lamp operating apparatus |
| 08/06/2002 | US6429597 Externally mountable discharge lamp ignition circuit having visual diagnostic indicator |
| 08/06/2002 | US6429593 Lighting device |
| 08/06/2002 | US6429399 Discharge tube for a local etching apparatus and a local etching apparatus using the discharge tube |
| 08/06/2002 | CA2214226C Lamp protective, electronic ballast |
| 08/01/2002 | WO2002060228A1 Fault management method for electronic ballast |
| 08/01/2002 | WO2002060227A2 Wiring geometry for multiple integral lamps |
| 08/01/2002 | WO2002060225A1 Energy conservation dimmer device for gaseous discharge devices |
| 08/01/2002 | WO2002019769A3 Circuit device |
| 08/01/2002 | US20020101696 High voltage power supply device for lighting disharge tube having fault protection circuit and fault protection circuit |
| 08/01/2002 | US20020101201 Method of initiating lighting of a discharge lamp, circuit for lighting a discharge lamp, light source device using the circuit, and optical instrument incorporating the light source device |
| 08/01/2002 | US20020101196 Electronic ballast for high-intensity discharge lamps |
| 08/01/2002 | US20020101194 Method and apparatus for canceling ripple current in a lamp |
| 08/01/2002 | US20020101193 Sensing and control for dimmable electronic ballast |
| 08/01/2002 | US20020101192 Power saver for discharge lamps |