Patents for H05B 41 - Circuit arrangements or apparatus for igniting or operating discharge lamps (35,100) |
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02/28/1996 | EP0698336A1 Dimming circuit for powering gas discharge lamps |
02/28/1996 | EP0698310A1 High frequency ac/ac converter with power factor correction |
02/28/1996 | CN2221284Y Miltifunctional starter for fluorescent lamp |
02/28/1996 | CN2221283Y Energy-saving long-service ballast of gas discharge lamp |
02/28/1996 | CN1117784A Protection circuit for electronic ballasts which use charge pump power factor correction |
02/28/1996 | CN1117783A High power factor circuits for energizing gas discharge lamps |
02/28/1996 | CN1117782A Electronic ballast with two transistors and two transformers |
02/27/1996 | WO1996007130A1 Low frequency square wave electronic ballast for gas discharge devices |
02/27/1996 | US5495405 Inverter circuit for use with discharge tube |
02/27/1996 | US5495404 For energizing a load |
02/27/1996 | US5495329 For determining the usability of a radiation emitting device |
02/27/1996 | US5495150 Sequential, differential ignition of series operated arc lamps |
02/27/1996 | US5495149 Power supply |
02/27/1996 | CA2167189A1 Low frequency square wave electronic ballast for gas discharge devices |
02/22/1996 | WO1996001034A3 Single touch flash charger control |
02/21/1996 | EP0697803A2 Circuit for operating discharge lamps |
02/21/1996 | CN2220716Y Heat insulation electronic neon lamp transformer |
02/21/1996 | CN1117256A Discharge lamp lighting device |
02/20/1996 | US5493184 Electrodeless lamp with improved efficiency |
02/20/1996 | US5493182 Fluorescent lamp operating circuit, permitting dimming of the lamp |
02/20/1996 | US5493181 Capacitive lamp out detector |
02/20/1996 | US5493180 For powering a gas discharge lamp |
02/15/1996 | WO1996004770A1 A high intensity discharge lamp ballast |
02/15/1996 | WO1996004769A1 A high intensity discharge lamp ballast with transient protected power factor correction |
02/15/1996 | WO1996004707A1 Multi-resonant inverter |
02/15/1996 | DE4428423A1 Measurement method for measuring flicker intensity of discharge lamp |
02/14/1996 | EP0696407A1 Fiber-optic anticycling device for street lamps |
02/14/1996 | CN2220145Y Capacitive compensating gas discharge lamp ballast |
02/14/1996 | CN2220144Y Automatic protecting type starter for sodium lamp |
02/13/1996 | US5491533 Electronic flash control system and method for high-speed flashing |
02/13/1996 | US5491388 Power regulator of discharge lamp and variable color illumination apparatus using the regulator |
02/13/1996 | US5491387 Discharge lamp lighting circuit for increasing electric power fed in initial lighting of the lamp |
02/13/1996 | US5491386 Stable high frequency high-pressure discharge lamp lighting device avoiding acoustic resonance |
02/13/1996 | US5491385 Instant-on screw-in fluorescent lamp |
02/08/1996 | WO1996003806A1 Servo-amplifier for controlling a high-ohmic low-voltage source |
02/08/1996 | DE19521934A1 Adjustable integral daylight-dependent control device for dimmable lights in buildings or rooms |
02/08/1996 | CA2195442A1 Servo-amplifier for controlling a high-ohmic low-voltage source |
02/07/1996 | EP0696158A1 Discharge lamp lighting device |
02/07/1996 | EP0696157A1 Ballast containing protection circuit for detecting rectification of arc discharge lamp |
02/07/1996 | EP0543002B1 Circuit for driving a gas discharge lamp load |
02/07/1996 | EP0541787B1 Circuit for driving at least one gas discharge lamp |
02/07/1996 | CN2219576Y energy saver for fluorescent lamp |
02/07/1996 | CN2219575Y Electronic glow starter |
02/07/1996 | CN1116399A Fluorescent lamp device and illumiating device |
02/07/1996 | CN1116369A Power source device |
02/06/1996 | US5489825 Transformer |
02/06/1996 | US5489823 Electronic ballast for gas discharge lamp |
02/06/1996 | US5489821 Lamp oscillator for atomic frequency standards |
02/01/1996 | WO1996003018A1 Electrical power control system |
02/01/1996 | WO1996003017A1 Method of operating at least one fluorescent lamp with electronic ballast, and ballast therefor |
02/01/1996 | WO1996003016A1 Single transistor electronic ballast |
02/01/1996 | WO1996002970A1 Inductively powered lighting |
01/31/1996 | EP0695113A2 Apparatus for operating electric lamps |
01/31/1996 | CN2219003Y Electronic starter for fluorescent lamp |
01/31/1996 | CN2218977Y Sodium mercury lamp |
01/31/1996 | CN1116037A Single transistor ballast for gas discharge lamps |
01/31/1996 | CN1030875C 变换器 Converters |
01/30/1996 | US5488269 Multi-resonant boost high power factor circuit |
01/30/1996 | US5488267 Xenon lamp system for materials testing apparatus |
01/25/1996 | DE4425901A1 Regelverstärker zur Steuerung einer hochohmigen Niedersapnnungsquelle Control amplifier for controlling a high-impedance Niedersapnnungsquelle |
01/24/1996 | EP0693864A2 Circuit for operating one or more lour pressure discharge lamps |
01/24/1996 | CN2218436Y External exitator for neon |
01/24/1996 | CN2218435Y Energy saving fluorescent light |
01/24/1996 | CN1115399A Lamp opreation device for a projection type LCD projector |
01/23/1996 | US5487088 Apparatus for monitoring lamp system status |
01/23/1996 | US5486740 Lighting circuit for vehicular discharge lamp having DC/AC converter |
01/23/1996 | US5486739 Ballasting system for fluorescent lamps having improved energy transfer |
01/23/1996 | CA2057797C Fail-safe uninterruptible lighting system |
01/18/1996 | WO1996001550A1 Starter for gas discharge lamps, in particular motor-vehicule lights |
01/18/1996 | DE4429966C1 High speed imaging for repetitive time variable processes |
01/18/1996 | DE4425890A1 Circuit arrangement for driving a discharge lamp |
01/18/1996 | DE19526786A1 Lighting device for AC discharge lamp |
01/17/1996 | EP0692154A1 Clocked current supply |
01/17/1996 | CN2217865Y Search-light with control circuit |
01/17/1996 | CN2217864Y Light-pipe support with electronic ballast |
01/16/1996 | US5485061 Discharge lamp lighting device capable of preventing a flicker due to arc movement |
01/16/1996 | US5485060 Electronic reactor for the supply of discharge lamps with an oscillator circuit to limit the crest factor and to correct the power factor |
01/16/1996 | US5485059 Lighting circuit for vehicular discharge lamp |
01/16/1996 | US5485057 Gas discharge lamp and power distribution system therefor |
01/11/1996 | WO1996001034A2 Single touch flash charger control |
01/11/1996 | WO1996001033A1 A vertically lifted portable electric furnace |
01/11/1996 | WO1996001002A1 Circuit arrangement |
01/11/1996 | WO1996000935A1 Externally dimmable electronic ballast |
01/11/1996 | DE4425823A1 Electronic ballast for low-pressure discharge lamp |
01/11/1996 | DE4423275A1 Zündvorrichtung für Gasentladungslampen, insbesondere für Kraftfahrzeugleuchten Igniter for gas discharge lamps, especially for motor vehicle lights |
01/11/1996 | CA2193863A1 A vertically lifted portable electric furnace |
01/11/1996 | CA2169189A1 Single touch flash charger control |
01/10/1996 | EP0691800A2 Circuit for operating low pressure discharge lamps |
01/10/1996 | EP0691799A2 Circuit for quickly energizing electronic ballast |
01/10/1996 | CN2217295Y LM ballast for fluorescent lamp |
01/10/1996 | CN2217294Y Electronic ignitor for two fluorescent lamps |
01/10/1996 | CN2217293Y Ballast for cathode preheating type gas discharging lamp with advantages of energy-saving and raw material saving |
01/09/1996 | USRE35142 Fluorescent lamp having three electrodes for starting at low temperatures |
01/09/1996 | US5483127 Variable arc electronic ballast with continuous cathode heating |
01/09/1996 | US5483126 Method of controlling the color temperature in a sodium high-pressure discharge lamp, and apparatus to carry out the method |
01/09/1996 | US5483125 Ballast circuit for a gas discharge lamp having a cathode pre-heat arrangement |
01/09/1996 | US5483124 Neon illumination system |
01/08/1996 | CA2150527A1 Minimum harmonic distortion operating circuit for at least one low-pressure discharge lamp |
01/04/1996 | DE4423766A1 Discriminating between short-circuit current and cold starting current when operating LV lamp |
01/04/1996 | DE4421756A1 Interruption-free reversal of power to HV discharge lamp |