| Patents for H05B 41 - Circuit arrangements or apparatus for igniting or operating discharge lamps (35,100) |
|---|
| 06/14/2006 | CN1787710A Starting controlling circuit for inductive type fluorescent lamp |
| 06/14/2006 | CN1787708A Method for central controlling lamplight and system thereof |
| 06/14/2006 | CN1259808C Flash producing circuit |
| 06/13/2006 | US7061781 Circuit arrangement for operating light sources |
| 06/13/2006 | US7061191 System and method for reducing flicker of compact gas discharge lamps at low lamp light output level |
| 06/13/2006 | US7061190 Circuit arrangement and operating device for operating lamps |
| 06/13/2006 | US7061189 Electronic ballast |
| 06/13/2006 | US7061187 Circuit having clamped global feedback for linear load current |
| 06/13/2006 | US7061183 Zigzag topology for balancing current among paralleled gas discharge lamps |
| 06/13/2006 | CA2512421A1 Two light level ballast |
| 06/08/2006 | WO2006059583A1 Electric discharge lamp operation device and illumination instrument |
| 06/08/2006 | WO2006006844A3 Gas discharge lamp with stabilisation coil |
| 06/08/2006 | WO2005043592A3 Balancing transformers for lamps driven in parallel |
| 06/08/2006 | US20060122797 Apparatus and methods for making capacitive measurements of cathode fall in fluorescent lamps |
| 06/08/2006 | US20060122795 Apparatus and methods for making capacitive measurements of cathode fall in fluorescent lamps |
| 06/08/2006 | US20060120117 DC-AC converter, and method for supplying AC power |
| 06/08/2006 | US20060120109 Inverter circuit, fluorescent bulb operating device, backlight device, and liquid crystal display device |
| 06/08/2006 | US20060119295 Apparatus and method of driving lamp of liquid crystal display device |
| 06/08/2006 | US20060119294 Apparatus and method of driving lamp of liquid crystal display device |
| 06/08/2006 | US20060119293 Lamp load-sharing circuit |
| 06/08/2006 | US20060119292 Electronic control systems and methods |
| 06/08/2006 | US20060119289 Accelerating circuit that can increase speed of LED to turn on/off |
| 06/08/2006 | US20060119286 Lamp driving topology with current balancing scheme |
| 06/08/2006 | US20060119285 Direct drive CCFL circuit with controlled start-up mode |
| 06/08/2006 | US20060119283 External electrode fluorescent lamp, backlight unit using the external electrode fluorescent lamp, LCD backlight equipment using the backlight unit and driving device thereof |
| 06/08/2006 | US20060119281 Power conversion device |
| 06/08/2006 | US20060119277 Heater drive circuit |
| 06/08/2006 | US20060119276 Apparatus and methods for making capacitive measurements of cathode fall in fluorescent lamps |
| 06/08/2006 | DE102004058921A1 Betriebsgerät und Verfahren zum Betreiben von Gasentladungslampen Control unit and method for operating gas discharge lamps, |
| 06/08/2006 | DE102004058881A1 Hochdruckentladungslampe und Beleuchtungsvorrichtung mit Hochdruckentladungslampe High-pressure discharge lamp lighting device and with the high-pressure discharge lamp |
| 06/08/2006 | DE102004056304A1 Beleuchtungsanordung mit einer Leuchtstofflampe, insbesondere einer Kaltkathodenlampe Beleuchtungsanordung with a fluorescent lamp, in particular a cold cathode lamp |
| 06/07/2006 | EP1667496A1 Backlight device and display unit provided with it |
| 06/07/2006 | EP1667200A2 High pressure discharge lamp and lighting system using a high pressure discharge lamp |
| 06/07/2006 | EP1665905A1 Circuit arrangement and method of operating a gas discharge lamp |
| 06/07/2006 | EP1665904A1 Ballast with lampholder arc protection |
| 06/07/2006 | EP1665902A2 A method and circuit for repetitively firing a flash lamp or the like |
| 06/07/2006 | EP1665899A1 Blended light lamp |
| 06/07/2006 | EP1476239A4 Removable closure assembly for a water treatment system |
| 06/07/2006 | CN2786907Y Backlight display controlled grain and cotton moisture detector |
| 06/07/2006 | CN2786906Y Energy-saving lamp for storing light energy discontinuous power supply |
| 06/07/2006 | CN2786905Y Environment protecting daylight lamp energy-saving converter |
| 06/07/2006 | CN2786902Y City light energy-saving monitoring system |
| 06/07/2006 | CN1784108A Ballast control IC with minimal internal and external components |
| 06/07/2006 | CN1784107A Methods and protection schemes for driving discharge lamps in large panel applications |
| 06/07/2006 | CN1784106A Methods and systems for diagnosing projection device failure |
| 06/07/2006 | CN1783676A Multiple changing mode power control method |
| 06/07/2006 | CN1783573A Intelligent electrical device |
| 06/07/2006 | CN1782806A Apparatus and method of driving lamp of liquid crystal display device |
| 06/07/2006 | CA2529264A1 Operating device and method for operating gas discharge lamps |
| 06/06/2006 | US7057358 Electronic ballast and operating method for a gas discharge lamp |
| 06/06/2006 | US7057357 Rapid warmup light actuator |
| 06/06/2006 | US7057355 Drive circuit for operating at least one lamp in an associated load circuit |
| 06/06/2006 | US7057354 Frequency controlled lighting system |
| 06/06/2006 | US7057351 Emergency lighting function illumination appliance |
| 06/06/2006 | US7057349 Lightening device for metal halide discharge lamp |
| 06/06/2006 | US7055962 System and method for managing projector bulb life |
| 06/06/2006 | CA2529178A1 Emergency ballast |
| 06/06/2006 | CA2252371C Multi-voltage ballast and dimming circuits for a lamp driven voltage transformation and ballasting system |
| 06/02/2006 | CA2528517A1 Cable holder |
| 06/01/2006 | WO2006056926A1 Projection system and method for operating a discharge lamp |
| 06/01/2006 | WO2006056925A1 Gas discharge lamp driver circuit with lamp selection part |
| 06/01/2006 | WO2006056918A1 High intensity discharge lamp driver with voltage feedback controller |
| 06/01/2006 | WO2006056143A1 Electronic ballast with preheating and dimming control |
| 06/01/2006 | US20060114703 Frequency feedforward for constant light output in backlight inverters |
| 06/01/2006 | US20060114092 Wound-rotor transformer and power source device using said wound-rotor transformer |
| 06/01/2006 | US20060113925 Lamp current balancing device |
| 06/01/2006 | US20060113924 Circuit arrangement |
| 06/01/2006 | DE202006002761U1 Hochsetztreiber mit minimaler Schaltfrequenz Pullup driver with minimum switching frequency |
| 06/01/2006 | DE202006000280U1 Controlled electronic ballast for fluorescent lamp, has impulse switching circuit with inductive load, and fluorescent tube with ends connected with outputs of end of load and circuit, when load is externally connected |
| 06/01/2006 | DE102005057107A1 Process to preheat a heating coil for a discharge lamp such as a fluorescent lamp draws the power from a resonance circuit and determines a parameter of the circuit |
| 06/01/2006 | DE102005051991A1 High intensity discharge ballast for driving high intensity discharge lamp, has single integrated chip which controls both buck stage and full bridge stage |
| 06/01/2006 | DE102004057515A1 Lamp operating apparatus for a light source has wireless interface connection to receive external signals connected to a control unit and integrated antenna |
| 05/31/2006 | EP1316243B1 Gas-discharge lamp type recognition based on built-in lamp electrical properties |
| 05/31/2006 | CN2785309Y Short-circuit overload safety equipment of electronic ballast circuit |
| 05/31/2006 | CN2785308Y High speed electronic starter |
| 05/31/2006 | CN2785307Y Preheating type multi-lamp electronic ballast |
| 05/31/2006 | CN2785306Y Bridge type driving circuit in Xenon lamp's electronic ballast |
| 05/31/2006 | CN2785305Y Neon light high frequency magnetic leakage electronic transformer |
| 05/31/2006 | CN2785303Y Anti-theft wireless light adjusting module |
| 05/31/2006 | CN2785250Y 电子变压器 Electronic Transformer |
| 05/31/2006 | CN1781344A Circuit arrangement |
| 05/31/2006 | CN1781343A Starter circuit having regulated starting voltage |
| 05/31/2006 | CN1781168A Apparatus for supplying energy to a load and a related system |
| 05/31/2006 | CN1780526A Electronic assembly with a heat sink |
| 05/31/2006 | CN1780521A Starting buffer of electronic ballast |
| 05/31/2006 | CN1780520A Converter circuit having class E converter modules |
| 05/31/2006 | CN1780519A Striation control for current fed electronic ballast |
| 05/31/2006 | CN1780518A Circuit and method for driving discharge lamp |
| 05/31/2006 | CN1780517A Reverse-flow device circuit with functional factor adjusting effect |
| 05/31/2006 | CN1780514A Method and process for adjusting headlamp power by resistor control |
| 05/31/2006 | CN1780129A Controlling circuit of DC pulsating countercurrent device |
| 05/31/2006 | CN1258206C Metal halogen lamp and lighting system |
| 05/30/2006 | US7053564 Ballast for a discharge lamp |
| 05/30/2006 | US7053563 Circuit arrangement for operating light sources |
| 05/30/2006 | US7053561 Circuit apparatus and method for operating a lamp |
| 05/30/2006 | US7053560 Bi-directional LED-based light |
| 05/26/2006 | WO2006054855A1 Modularized light source device and planar light-emitting apparatus using the same |
| 05/26/2006 | WO2006054820A1 Method for driving of a fluorescent lighting and a ballast stabilizer circuit for performing the same |
| 05/26/2006 | WO2006054601A1 Multilayer substrate with built-in capacitor, method for manufacturing same, and cold cathode tube lighting device |
| 05/26/2006 | WO2006053529A1 Circuit arrangement for operating a high pressure discharge lamp |