| Patents for H05B 41 - Circuit arrangements or apparatus for igniting or operating discharge lamps (35,100) |
|---|
| 05/04/2005 | CN2698013Y Electronic ballast with starting protective circuit |
| 05/04/2005 | CN2698012Y Digital electronic ballast with power closed loop control circuit |
| 05/04/2005 | CN2698011Y Electronic ballast with power closed loop control circuit |
| 05/04/2005 | CN2698010Y Driving circuit for digitized electronic ballast of high-strength gas discharge lamp |
| 05/04/2005 | CN2698009Y Monolithic computer controlled self-protective constant power electronic ballast |
| 05/04/2005 | CN2698008Y Frequency sweeping circuit especially for electronic ballast of high-strength gas discharge lamp |
| 05/04/2005 | CN2698007Y Controller for power source circuit and electronic circuit used in power supply and display device with said electronic circuit |
| 05/04/2005 | CN2698006Y Acting circuit for high-strength gas discharge lamp |
| 05/04/2005 | CN2698005Y Eye protective lamp for emergency illumination |
| 05/04/2005 | CN1613278A The use of arc straightening in hid lamps operated at vhf frequencies |
| 05/04/2005 | CN1613277A Circuit for a gas-discharge lamp |
| 05/04/2005 | CN1613276A Improved high-frequency electronic ballast |
| 05/04/2005 | CN1612665A Circuit structure for driving muliple cold cathode fluorescent lamp tube |
| 05/03/2005 | US6888324 Ozone generator having a mercury lamp with a filament temperature detective circuit |
| 05/03/2005 | US6888321 Device for operating a high pressure discharge lamp |
| 05/03/2005 | US6888320 Switching power supply for discharge lamp and method for powering a lamp |
| 05/03/2005 | US6888319 Flashlamp drive circuit |
| 05/03/2005 | CA2334094C Neon light system |
| 05/03/2005 | CA2267278C Method for producing impulse voltage sequences to operate discharge lamps and circuit pertaining thereto |
| 04/28/2005 | WO2005039252A2 Battery saving flash charger control |
| 04/28/2005 | WO2005039251A1 Electronic power control for lamps |
| 04/28/2005 | WO2005039250A1 Multifunctional detachable lamp |
| 04/28/2005 | WO2005039249A1 Multiple electroluminescent lamp driver |
| 04/28/2005 | WO2005039239A2 Ballast protecting device |
| 04/28/2005 | WO2005038828A2 A current sharing scheme and device for multiple ccf lamp operation |
| 04/28/2005 | WO2004108415A3 Control for an excimer emitter |
| 04/28/2005 | US20050088859 Push-pull converter, in particular for driving cold-cathode fluorescent lamps |
| 04/28/2005 | US20050088570 Lighting device for photographing apparatus and photographing apparatus |
| 04/28/2005 | US20050088116 Operating circuit for a dielectrically impeded discharge lamp having an overvoltage protection circuit |
| 04/28/2005 | US20050088115 Cold-cathode tube operating appratus |
| 04/28/2005 | US20050088114 Discharge lamp lighting device |
| 04/28/2005 | US20050088113 Inverter circuit for surface light source system |
| 04/28/2005 | US20050088112 Fluorescent lamp dimmer control |
| 04/28/2005 | US20050088111 Electronic high intensity discharge lamp driver |
| 04/28/2005 | US20050088109 Electronic ballast having a protective circuit for a switching transistor of a converter |
| 04/28/2005 | US20050088102 Optical and temperature feedbacks to control display brightness |
| 04/27/2005 | EP1526763A1 Electronic high intensity discharge lamp driver |
| 04/27/2005 | EP1526762A2 Inverter circuit for surface light source system |
| 04/27/2005 | EP1526761A2 Circuit for operating a dielectric barrier discharge lamp with overvoltage protection |
| 04/27/2005 | EP1526760A1 Multiple electroluminescent lamp driver |
| 04/27/2005 | EP1526622A2 Electronic ballast with protection circuit for switching transitors of a converter |
| 04/27/2005 | EP1525779A2 Driver for a gas discharge lamp |
| 04/27/2005 | EP1129603A4 A power supply system for a fluorescent lamp |
| 04/27/2005 | CN2696272Y Adaptive controller for sodium lamp |
| 04/27/2005 | CN2696271Y Cold cathode fluorescent lamp light source supplied by urban network high-voltage power |
| 04/27/2005 | CN2696270Y Power frequency start electronic ballast of high-intensity gas discharge lamp |
| 04/27/2005 | CN2696269Y High-performance low distortion electronic ballast |
| 04/27/2005 | CN2696268Y Multi-light-source lamp combined of fluorescent light source and incandescence source |
| 04/27/2005 | CN2696267Y Fluorescent lamp starter |
| 04/27/2005 | CN2696266Y Energy-saving solar lighting device of pulsewidth modulation |
| 04/27/2005 | CN2696093Y Transformer and fluorescent tube driving device using the transformer |
| 04/27/2005 | CN1611097A Electronic circuit, and method of operating a high-pressure lamp |
| 04/27/2005 | CN1611096A Circuit arrangement for operation of one or more lamps |
| 04/27/2005 | CN1611069A Image projector and method of operating same |
| 04/27/2005 | CN1610479A Direct drive CCFL circuit with controlled start-up mode |
| 04/27/2005 | CN1610478A Electronic ballast method and apparatus for gas discharge lamp |
| 04/27/2005 | CN1610477A Working circuit for electrode free gas discharge lamp |
| 04/27/2005 | CN1610476A Operating circuit for a dielectrically impeded discharge lamp having an overvoltage protection circuit |
| 04/27/2005 | CN1610475A Electronic ballast having a protective circuit for a switching transistor of a converter |
| 04/27/2005 | CN1610474A Inverter circuit for discharge tube |
| 04/27/2005 | CN1609665A Liquid crystal display device and driving method to be used in same |
| 04/27/2005 | CN1609502A Sleeve type fluorescent lamp apparatus |
| 04/27/2005 | CN1199527C Dimmable ballast |
| 04/27/2005 | CN1199526C 镇流器 Ballast |
| 04/27/2005 | CN1199525C Method for operating discharging lamp and circuit apparatus therefor |
| 04/27/2005 | CN1199524C Flashing device |
| 04/27/2005 | CN1199523C Method for producing pulse voltage sequences to operate discharge lamps circuit device thereof |
| 04/27/2005 | CN1199522C Lighting apparatus, low-voltage mercury gas disccharge lamp, power-supply apparatus and combined package |
| 04/27/2005 | CN1199521C Circuit device and operating method for high-voltage discharge lamp |
| 04/27/2005 | CN1199232C High voltage discharge lamp |
| 04/27/2005 | CN1199139C Back lighting lamp for liquid crystal display device |
| 04/22/2005 | CA2485618A1 Operating circuit for a dielectrically impeded discharge lamp having an overvoltage protection circuit |
| 04/22/2005 | CA2485384A1 Electronic ballast having a protective circuit for a switching transistor of a converter |
| 04/21/2005 | WO2005036745A2 A method and circuit for repetitively firing a flash lamp or the like |
| 04/21/2005 | WO2005036726A1 Power converter |
| 04/21/2005 | US20050083282 Liquid crystal display device and driving method to be used in same |
| 04/21/2005 | CA2539237A1 A method and circuit for repetitively firing a flash lamp or the like |
| 04/20/2005 | EP1524892A2 Operating circuit with heat sink for lamp |
| 04/20/2005 | EP1524886A2 Ballast with load-adaptable fault detection circuit |
| 04/20/2005 | EP1524683A2 Fluorescent lamp and lighting appliance using thereof |
| 04/20/2005 | EP1524648A2 Power supply system and liquid crystal display device having the same |
| 04/20/2005 | EP1523866A1 Method and device for identifying the type of discharge lamp |
| 04/20/2005 | EP1523865A1 Ballast circuit for operating a gas discharge lamp |
| 04/20/2005 | EP1327184A4 Ballast control ic with power factor correction |
| 04/20/2005 | EP1118101B1 Discharge lamp for dielectrically impeded discharges with improved electrode configuration |
| 04/20/2005 | CN2694704Y Intelligent and energy conserving single lamp controller |
| 04/20/2005 | CN2694703Y High intensity gas-discharge lamp electronic ballast |
| 04/20/2005 | CN2694702Y Decoration lamp and lamp string |
| 04/20/2005 | CN2694696Y Novel night luminous lamp with micro power consumption |
| 04/20/2005 | CN1607885A Four-electrode fluorescent lamp and the circuit for arranging the same |
| 04/20/2005 | CN1607614A Transformer for multiple tube drive circuit and multiple tube drive circuit |
| 04/20/2005 | CN1198485C Lighting up device for fluorescent lamp and signal generating equipment for lighting up fluorescent lamp |
| 04/20/2005 | CN1198484C Method and device for heating cold cathode fluorescent tube |
| 04/19/2005 | US6882118 Discharge lamp starting device and illumination apparatus |
| 04/19/2005 | US6882117 Apparatus and methods for continuous and/or selective production of multiple light displays |
| 04/19/2005 | US6882090 Piezoelectric transformer and strobe apparatus having the piezoelectric transformer |
| 04/19/2005 | CA2193680C Method and circuit arrangement for operating a high pressure discharge lamp |
| 04/17/2005 | CA2456386A1 Electronic ballast having end of lamp life, overheating, and shut down protections, and reignition and multiple striking capabilities |
| 04/14/2005 | WO2005034323A1 Piezoelectric transformer driving apparatus and piezoelectric transformer driving method |
| 04/14/2005 | US20050078458 Operating circuit for a lamp with a heat sink |