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