| Patents for H05B 41 - Circuit arrangements or apparatus for igniting or operating discharge lamps (35,100) |
|---|
| 02/16/2011 | CN101978789A Power regulation of gas discharge lamps in half bridge and full bridge circuits |
| 02/16/2011 | CN101978788A Synchronous operation system for discharge lamp lighting apparatuses, discharge lamp lighting apparatus, and semiconductor integrated circuit thereof |
| 02/16/2011 | CN101978787A Lighting device and display device |
| 02/16/2011 | CN101978786A Method and operating device for minimizing the insulation stress of a high-pressure discharge lamp system |
| 02/16/2011 | CN101978590A Biopolar power control |
| 02/16/2011 | CN101977478A Digital dimming control method and system for two-wire fluorescent lamps |
| 02/16/2011 | CN101977477A Electronic ballast and control method thereof |
| 02/16/2011 | CN101977476A High-frequency driving device for electrodeless lamp |
| 02/16/2011 | CN101586790B Non-polar lamp |
| 02/16/2011 | CN101520995B Drive method of LCD backlight modules |
| 02/15/2011 | USRE42141 Electric discharge lamp device |
| 02/15/2011 | US7888890 Method for controlling an electrical light source by pulse width modulation |
| 02/15/2011 | US7888880 Dielectric barrier discharge lamp system and driving method thereof having relatively better performance in startup and re-startup of dimming |
| 02/15/2011 | US7888876 Lighting control for vehicle lighting device |
| 02/10/2011 | WO2011015468A1 Method for actuating a discharge lamp and circuitry for operating such a lamp |
| 02/10/2011 | US20110032085 Apparatus for controlling integrated lighting ballasts in a series scheme |
| 02/10/2011 | US20110031900 Controller and method of operating a controller |
| 02/10/2011 | US20110031898 Driving apparatus and method for adjusting drive voltage |
| 02/10/2011 | US20110031895 Light emitting diode (led) driving circuit |
| 02/10/2011 | US20110031893 Semiconductor light emitting device utilising punch-through effects |
| 02/10/2011 | US20110031892 Lighting device and display device |
| 02/10/2011 | US20110031891 Light emitting device for ac power operation |
| 02/10/2011 | US20110031890 Led emulation of incandescent bulb brightness and color response to varying power input and dimmer circuit therefor |
| 02/10/2011 | US20110031888 Methods and apparatus for controlling respective load currents of multiple series-connected loads |
| 02/10/2011 | DE102004031745B4 Vorschaltgerät und Betriebsverfahren für eine Entladungslampe Operating method for ballast and a discharge lamp |
| 02/09/2011 | EP2282618A1 Discharge lamp lighting apparatus |
| 02/09/2011 | EP2282617A1 Device for operating discharge lamp, device for operating vehicle-mounted operating high-intensity discharge lamp, vehicle-mounted headlight, and vehicle |
| 02/09/2011 | EP2282616A1 High-voltage discharge lamp operation device and illumination instrument |
| 02/09/2011 | EP2282615A1 High-voltage discharge lamp lighting device and lighting fixture |
| 02/09/2011 | EP2282614A2 Switch system and method for igniting a discharge lamp |
| 02/09/2011 | EP2282611A2 Apparatus for controlling integrated lighting ballasts in a series scheme |
| 02/09/2011 | EP2281423A1 Control circuit for flash lamps or the like |
| 02/09/2011 | EP2281422A1 Planar circuit for driving gas discharge lamps |
| 02/09/2011 | CN201742636U Novel amalgam temperature control device for electrodeless lamp |
| 02/09/2011 | CN201742635U Electronic ballast with frequency conversion pre-heating function used for fluorescent lamps |
| 02/09/2011 | CN201742634U Electronic transformer of halogen lamp universal to fluorescent lamp |
| 02/09/2011 | CN201742633U External-exciting type electronic ballast circuit for 37W-55W energy-saving lamps |
| 02/09/2011 | CN201742632U Electronic ballast |
| 02/09/2011 | CN201742631U Power supply circuit of electrodeless lamp |
| 02/09/2011 | CN201742630U Lamp tube module |
| 02/09/2011 | CN201742629U Novel energy-saving lamp |
| 02/09/2011 | CN201742628U Electrode-less lamp start circuit |
| 02/09/2011 | CN201742627U Separated gas discharge light source drive circuit |
| 02/09/2011 | CN201742626U Electronic ballast |
| 02/09/2011 | CN201739895U Cold cathode desk lamp |
| 02/09/2011 | CN201739851U Energy-saving lamp |
| 02/09/2011 | CN1863426B Plasma lighting system and control method thereof |
| 02/09/2011 | CN101971708A Method and control circuit for dimming a gas discharge lamp |
| 02/09/2011 | CN101971707A Piezoelectric transformer drive circuit and drive method |
| 02/09/2011 | CN101971706A Inverter circuit, backlight device and display device |
| 02/09/2011 | CN101969735A Automatic luminosity regulation method and device for compact fluorescent lamp |
| 02/09/2011 | CN101969734A Method for performing variable frequency dimming on fluorescent lamp based on UBA2014 |
| 02/09/2011 | CN101969733A Electrodeless lamp dimming ballast |
| 02/09/2011 | CN101969732A Protection circuit for backlight module of liquid crystal display |
| 02/09/2011 | CN101969731A Energy-saving adapter for fluorescent lamp |
| 02/09/2011 | CN101969730A Inverter for cold cathode fluorescent lamps |
| 02/09/2011 | CN101969729A Discharge lamp lighting apparatus |
| 02/09/2011 | CN101969728A Discharge lamp lighting apparatus |
| 02/09/2011 | CN101609634B Method for making Clamshell luminous word of Phi 4mm electrodeless lamps |
| 02/09/2011 | CN101163364B Monitoring system and method for monitoring operation of electric element using the system |
| 02/09/2011 | CN101124855B Discharge tube lighting circuit and electronic apparatus |
| 02/09/2011 | CN101098578B Lamp tube driving circuit |
| 02/08/2011 | US7884552 Electrical discharge tube, illumination apparatus for display device, liquid crystal display device, and liquid crystal display television |
| 02/08/2011 | CA2395157C High intensity discharge lamp with only one electrode |
| 02/03/2011 | WO2011012373A1 Electronic ballast for operating at least one discharge lamp |
| 02/03/2011 | US20110025989 High-pressure discharge lamp lighting device, high-pressure discharge lamp device using same, projector using said high-pressure discharge lamp device, and high-pressure discharge lamp lighting method |
| 02/03/2011 | US20110025231 Method and apparatus for retrofitting hid lamps with system to periodically adjust operating wattage |
| 02/03/2011 | US20110025228 Waveform detection and combined step and linear dim control |
| 02/03/2011 | US20110025227 Drive Circuit to adjust a luminance of a light emitting element based on a PWM signal, and a portable information terminal including the drive circuit |
| 02/03/2011 | US20110025226 Control device for controlling a discharge lamp |
| 02/03/2011 | US20110025223 High pressure discharge lamp ballast and light source apparatus |
| 02/03/2011 | US20110025222 High pressure discharge lamp ballast and light source apparatus |
| 02/03/2011 | US20110025221 Ultraviolet generating device and lighting device using the same |
| 02/03/2011 | US20110025220 High efficiency gas filled lamp |
| 02/03/2011 | US20110025219 Discharge lamp lighting apparatus |
| 02/03/2011 | US20110025218 Mercury lamp and mercury lamp lighting apparatus |
| 02/03/2011 | US20110025215 Multicolor led sequencer |
| 02/03/2011 | DE102010038557A1 Verfahren und Schaltungsanordnung zur Diagnose einer Halbbrücke Method and circuit for diagnosing a half-bridge |
| 02/03/2011 | DE102010023814A1 Circuit arrangement for operating fluorescent lamp, has preheating load circuit with inductor that is switched against zero voltage, and primary-sided reflected spiral coil preheating stream determined over measuring resistor or transformer |
| 02/03/2011 | DE102009035371A1 Elektronisches Vorschaltgerät zum Betreiben mindestens einer Entladungslampe Electronic ballast for operating at least one discharge lamp |
| 02/02/2011 | EP2280588A2 Electrodeless lighting system and control method thereof |
| 02/02/2011 | EP2280474A1 Power converter, discharge lamp ballast and headlight ballast |
| 02/02/2011 | EP2279649A2 Arrangement relating power backup and method for power backup |
| 02/02/2011 | EP2279026A1 Hair-growth adjusting light emitting device |
| 02/02/2011 | CN201733511U Frequency-variable preheating circuit of electronic ballast |
| 02/02/2011 | CN201733510U ARM-based YAG pulse laser power supply control system |
| 02/02/2011 | CN201733509U Control repeater of power line carrier electrodeless lamp |
| 02/02/2011 | CN201733508U Electric line carrier electrodeless lamp control receiver |
| 02/02/2011 | CN201733507U Electronic ballast for second non-filament startup gas discharge lamp |
| 02/02/2011 | CN201733506U 电子镇流器和节能灯 Electronic ballasts and energy-saving lamps |
| 02/02/2011 | CN201733505U Lamp based on cold cathode light tube |
| 02/02/2011 | CN201733504U Temperature compensation circuit used in HID electronic ballasts and switching power supply circuits |
| 02/02/2011 | CN1898999B Cold-cathode tube lighting device |
| 02/02/2011 | CN1798468B Lighting circuit with protection of open circuit for gaseous discharge lamp |
| 02/02/2011 | CN101965756A Type recognition of a gas discharge lamp to be operated with an electronic ballast |
| 02/02/2011 | CN101965755A Circuit for heating and monitoring the hot coils of at least one gas discharge lamp operated by an evg and lighting system |
| 02/02/2011 | CN101965754A Device and method for generating an ignition voltage for a lamp |
| 02/02/2011 | CN101965753A Complimentary application specific integrated circuit for compact fluorescent lamps |
| 02/02/2011 | CN101965480A Lighting device, display device and television receiver |
| 02/02/2011 | CN101965092A Power controller for digital variable-capacitance electrodeless lamps |