| Patents for H05B 41 - Circuit arrangements or apparatus for igniting or operating discharge lamps (35,100) |
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| 03/30/2005 | CN2689650Y Electronic ballast with digital control |
| 03/30/2005 | CN2689649Y Compact light-adjustable electromagnetic inducing lights |
| 03/30/2005 | CN2689648Y Electric power saver of light |
| 03/30/2005 | CN2689647Y Ballast of low-frequency energy-saving light |
| 03/30/2005 | CN2689646Y Electronic stabilizing device of vehicle headlight |
| 03/30/2005 | CN2689645Y Adapters |
| 03/30/2005 | CN1602133A Lighting device of discharge lamp and manuscript exposure device |
| 03/30/2005 | CN1602130A Low-output microwave, lighting system and flicker removing method using the same |
| 03/30/2005 | CN1195306C 触发器线圈 Trigger coil |
| 03/30/2005 | CA2478464A1 Ballast with inverter startup circuit |
| 03/29/2005 | US6873122 Apparatus for operating discharge lamps |
| 03/29/2005 | US6873121 Fluorescent ballast with unique dimming control |
| 03/29/2005 | US6873120 Power consumption controller for pressurized gas lights |
| 03/29/2005 | US6873109 Metal halide discharge lamp, lighting device for metal halide discharge lamp, and illuminating apparatus using metal halide discharge lamp |
| 03/29/2005 | US6873086 Piezoelectric transformer and strobe apparatus having the piezoelectric transformer |
| 03/29/2005 | CA2482665A1 Method for operating at least one low-pressure discharge lamp |
| 03/29/2005 | CA2477650A1 Ballast with load-adaptable fault detection circuit |
| 03/29/2005 | CA2273324C A power control apparatus for lighting systems |
| 03/24/2005 | WO2005027592A1 Circuit arrangement and method of operating a gas discharge lamp |
| 03/24/2005 | WO2005027591A1 Ballast with lampholder arc protection |
| 03/24/2005 | WO2005027590A1 Backlight device and display unit provided with it |
| 03/24/2005 | WO2005027588A1 Blended light lamp |
| 03/24/2005 | WO2005027324A2 Split phase inverters for ccfl backlight system |
| 03/24/2005 | WO2004095668A3 Discharge lamp lighting control device |
| 03/24/2005 | US20050062877 Flash device, camera device and method and program thereof for the elimination of wasteful power consumption therein |
| 03/24/2005 | US20050062552 Light stabilization for an optically excitable atomic medium |
| 03/24/2005 | US20050062443 Discharge lamp lighting circuit |
| 03/24/2005 | US20050062439 Dimming control techniques using self-excited gate circuits |
| 03/24/2005 | US20050062437 Centralized device for the control of the feeding voltage of a load provided with a power factor correction condenser |
| 03/24/2005 | US20050062436 Split phase inverters for CCFL backlight system |
| 03/24/2005 | US20050062435 Discharge lamp lighting circuit |
| 03/24/2005 | US20050062434 Discharge lamp illumination circuit |
| 03/24/2005 | US20050062433 Power supply system for liquid crystal monitors |
| 03/24/2005 | US20050062432 Device and method for operating a discharge lamp |
| 03/24/2005 | US20050062429 Light source and image reading device using the same |
| 03/24/2005 | US20050062426 Electrodeless lighting system |
| 03/24/2005 | US20050062425 Method and apparatus for a voltage controlled start-up circuit for an electronic ballast |
| 03/24/2005 | DE10339588A1 Lampensockel für eine Hochdruckentladungslampe und Hochdruckentladungslampe Lamp base for a high pressure discharge lamp and high-pressure discharge lamp |
| 03/24/2005 | DE10339587A1 Transformator, Lampensockel mit einem Transformator und Hochdruckentladungslampe Transformer, lamp base with a transformer and high intensity discharge lamp |
| 03/24/2005 | DE10336858A1 Elektronisches Vorschaltgerät für eine mit iterativen Spannungspulsen zu betreibende Lampe Electronic ballast for an iterative voltage pulses lamp to be operated |
| 03/24/2005 | DE102004039421A1 Entladungsleuchtenansteuerschaltung und Verfahren zum Ansteuern einer Entladungsleuchte Entladungsleuchtenansteuerschaltung and method for driving a discharge lamp |
| 03/24/2005 | DE102004039414A1 Entladungsleuchtenansteuerschaltung Entladungsleuchtenansteuerschaltung |
| 03/24/2005 | DE102004024604A1 Verbesserung des Zündverfahrens von Ultrahochdruck-Quecksilberlampen Improving the ignition process of ultra-high pressure mercury lamps |
| 03/24/2005 | CA2538498A1 Backlight device and display device having the same |
| 03/23/2005 | EP1517593A2 Method and apparatus for a voltage controlled start-up circuit for an electronic ballast |
| 03/23/2005 | EP1517591A1 Inverter circuit for multiple discharge lamps surface lighting system |
| 03/23/2005 | EP1517590A2 Starting unit for use in a high intensity discharge lamp lighting device |
| 03/23/2005 | EP1516518A1 Circuit having a second ac/dc converter |
| 03/23/2005 | CN2688018Y Movable slow-off lighting device |
| 03/23/2005 | CN2688017Y Electronic energ-saving lamp ballast with overvoltage, overcurrent and superheat protection |
| 03/23/2005 | CN2688016Y Electronic controller for high power gas discharge lamp |
| 03/23/2005 | CN2688015Y Strobe-free alternating-current fluorescent lamp |
| 03/23/2005 | CN2688014Y Preheat start device for fluorescent lamp |
| 03/23/2005 | CN2687835Y High-frequency power supply |
| 03/23/2005 | CN2687808Y Filled ballast |
| 03/23/2005 | CN1600049A Color mixing in hid lamp at vhf frequencies |
| 03/23/2005 | CN1600048A High power factor electronic ballast with lossless switching |
| 03/23/2005 | CN1599536A Method for realizing digital controlling flash lamp |
| 03/23/2005 | CN1599535A High intensity discharge lamp lighting device, starting unit and lighting device |
| 03/23/2005 | CN1599534A Light modulator |
| 03/23/2005 | CN1599215A Power factor improving circuit |
| 03/23/2005 | CN1599023A Microwave powered lamp with reliable detection of burned out light bulbs |
| 03/23/2005 | CN1598673A Apparatus for monitoring a lamp, system having the same for monitoring a lamp, blacklight assembly having the same and liquid crystal display apparatus having the same |
| 03/23/2005 | CN1598399A Microwave powered lamphead having external shutter |
| 03/23/2005 | CN1194585C Electronic circuit for controlling gas discharge lamp |
| 03/23/2005 | CN1194584C 荧光灯照明装置 Fluorescent lighting devices |
| 03/22/2005 | US6870330 Shorted lamp detection in backlight system |
| 03/22/2005 | US6870329 PWM controller with automatic low battery power reduction circuit and lighting device incorporating the controller |
| 03/22/2005 | US6870327 Electrode-less discharge lamp lighting apparatus, bulb-shaped electrode-less fluorescent lamp, and discharge lamp lighting apparatus |
| 03/22/2005 | US6870326 Fluorescent ballast with isolated system interface |
| 03/22/2005 | US6870324 Method for color mixing with arc stability and straightening of HID lamps operated at high frequencies using duty cycle modulation |
| 03/22/2005 | CA2205323C Safety disconnection with asymmetric lamp power |
| 03/22/2005 | CA2155140C Ballast containing protection circuit for detecting rectification of arc discharge lamp |
| 03/17/2005 | US20050057194 Discharge lamp lighting apparatus and discharge lamp apparatus |
| 03/17/2005 | US20050057192 Discharge lamp lighting apparatus |
| 03/17/2005 | US20050057190 Light modulating apparatus for excimer discharge lamp |
| 03/17/2005 | US20050057186 Electrodeless discharge lamp |
| 03/17/2005 | US20050057183 Electronic power circuit for gas discharge lamps |
| 03/17/2005 | US20050057182 Active matrix type display apparatus |
| 03/17/2005 | US20050057181 High intensity discharge lamp ballast apparatus |
| 03/17/2005 | US20050057180 Method and circuit for repetitively firing a flash lamp or the like |
| 03/17/2005 | US20050057170 Low-visual noise, jitterized pulse width modulation brightness control circuit |
| 03/17/2005 | US20050057163 Rapid warmup light actuator |
| 03/17/2005 | DE10337148A1 Notbeleuchtung Emergency lighting |
| 03/17/2005 | DE102004039224A1 Entladungslampen-Beleuchtungsschaltung A discharge lamp lighting circuit |
| 03/17/2005 | DE102004039223A1 Entladungslampen-Beleuchtungsschaltung A discharge lamp lighting circuit |
| 03/17/2005 | DE102004039222A1 Entladungsleuchtenansteuerschaltung Entladungsleuchtenansteuerschaltung |
| 03/16/2005 | EP1514457A1 Projection system |
| 03/16/2005 | EP1514456A1 Electronic ballast with a charge pump for active power factor correction |
| 03/16/2005 | EP1514455A1 Starter |
| 03/16/2005 | EP1513773A1 Radio frequency identification system for a fluid treatment system |
| 03/16/2005 | EP1466224A4 Electronic ballast with ignition and operation control |
| 03/16/2005 | EP1459282A4 Electronic ballast with low voltage output |
| 03/16/2005 | EP1330946B1 Circuit arrangement for operating several gas discharge lamps |
| 03/16/2005 | EP1330945B1 Electronic ballast comprising a full bridge circuit |
| 03/16/2005 | EP1290921B1 Ignition circuitry |
| 03/16/2005 | EP1057370A4 Lamp driven voltage transformation and ballasting system |
| 03/16/2005 | CN2686275Y Ballast adapted for low voltage |
| 03/16/2005 | CN2686060Y Transformer and lamp tube drive system |
| 03/16/2005 | CN1596566A Electrodeless discharge lamp lighting device, light bulb type electrodeless fluorescent lamp and discharge lamp lighting device |