Patents
Sitemap › H05 - Electric techniques not otherwise provided for › H05B - Electric heating; Electric lighting not otherwise provided for › H05B 41 - Circuit arrangements or apparatus for igniting or operating discharge lamps
Patents for H05B 41 - Circuit arrangements or apparatus for igniting or operating discharge lamps (35,100)
08/2000
08/22/2000US6107753 Radio frequency electronic ballast with integrated power factor correction stage
08/22/2000US6107752 Coaxial applicators for electrodeless high intensity discharge lamps
08/22/2000US6107751 Current fed, parallel resonant ballast
08/22/2000US6107750 Converter/inverter circuit having a single switching element
08/22/2000US6107749 FET-bipolar electronic ballast
08/22/2000US6107747 Self ballasted fluorescent lamp and lighting fixture
08/22/2000CA2243927C Emergency fluorescent inverter for magnetic and electronic ballasts
08/17/2000WO2000048433A1 Electronic lamp ballast with power factor correction
08/17/2000WO2000048432A1 Balanced power supply circuit for multiple cold-cathode fluorescent lamps
08/17/2000WO2000033618A3 Current fed, parallel resonant ballast
08/17/2000WO2000025554A3 Method and ballast for operating a lamp fitted with a fluorescent tube
08/16/2000EP1028606A2 Circuit for operating at least one low-pressure discharge lamp
08/16/2000CN2392338Y 一种电子镇流器 An electronic ballast
08/16/2000CN1263688A Circuit arrangement
08/16/2000CN1263687A Circuit arrangement
08/16/2000CN1263686A Starter circuit
08/16/2000CN1263430A Circuit device for controlling at least one low-voltage discharge lamp
08/16/2000CN1055603C Discharge lamp operating device
08/15/2000US6104585 Protection circuit for tap-grounded leakage transformer
08/15/2000US6104147 Pulse generator and discharge lamp lighting device using same
08/15/2000US6104146 Balanced power supply circuit for multiple cold-cathode fluorescent lamps
08/15/2000US6104145 Method of DC operation of a discharge lamp with ARC stabilization
08/15/2000US6104144 Charging circuit for stroboscope
08/15/2000US6104142 Circuit arrangement for operating low-pressure discharge lamps
08/15/2000US6104141 Inventer-ballast using a piezoelectric transformer
08/10/2000WO2000047021A1 An electronically controlled, power saving, power supply system for fluorescent tubes
08/10/2000WO2000022892A3 Ballast power control circuit
08/09/2000EP1025746A1 Circuit for operating at least one discharge lamp
08/09/2000EP1025745A4 Energy saving lighting controller
08/09/2000EP1025745A1 Energy saving lighting controller
08/09/2000CN2391394Y Halogen lamp electronic transformer capable of extending and independent dimming
08/09/2000CN2391393Y Power transformer for combined lights
08/09/2000CN1262457A Light emission controlling equipment, camera equipment and light emission controlling method
08/09/2000CN1055369C Electronic inductance and hot-cathode ballast
08/09/2000CN1055355C 电源装置 Power supply unit
08/08/2000US6101110 Circuit arrangement
08/08/2000US6100653 Inductive-resistive fluorescent apparatus and method
08/08/2000US6100652 Ballast with starting circuit for high-intensity discharge lamps
08/08/2000US6100651 Fluorescent lamp stabilizer harmonics reduction method
08/08/2000US6100650 Electrodeless discharge lamp unit
08/08/2000US6100649 Circuit arrangement for igniting gas discharge flash tubes
08/08/2000US6100648 Ballast having a resonant feedback circuit for linear diode operation
08/08/2000US6100647 Lamp ballast for accurate control of lamp intensity
08/08/2000US6100646 Ballast feedback scheme
08/08/2000US6100645 Ballast having a reactive feedback circuit
08/08/2000US6100644 Dimmable and non-dimmable electronic ballast for plural fluorescent lamps
08/08/2000US6100643 Modular electronic lighting system
08/08/2000US6100642 Discharge lamp operating electronic device for improving the reliability, efficiency, and life of a hot-cathode discharge lamp
08/08/2000US6100638 Kit for converting lighting units employing fluorescent lamps from inductive operation to electronic operation
08/03/2000WO2000045622A1 Hid ballast with hot restart circuit
08/03/2000DE19903015A1 Dimmable ballast apparatus for cold cathode fluorescent lamps, has controllable voltage source as pulse width/frequency controllable AC generator with output is supplied to intermediate tapping of first part-winding.
08/03/2000CA2361061A1 Hid ballast with hot restart circuit
08/02/2000EP1023818A1 Low-voltage non-thermionic ballast-free fluorescent light system and method
08/02/2000CN2390375Y Power factor correction circuit module for electronic ballast
08/02/2000CN2390374Y Inductionless power supply changer for neon lamp
08/02/2000CN2390325Y Lamp socket with electronic ballast
08/02/2000CN2390279Y All-purpose fluorescent lamp device
08/02/2000CN1261763A Method for improving power factor of electronic energy saving lamp
08/02/2000CN1261762A Gas discharge lamp ballast with output voltage clamping circuit
08/01/2000US6097162 Power supply system for a fluorescent lamp
08/01/2000US6097160 Device and process for operating a gas discharge lamp having a resonant circuit that contains the gas discharge lamp
08/01/2000US6097158 Low voltage illumination system
07/2000
07/27/2000WO2000044205A1 Illumination lamp having brightness and color control
07/27/2000WO2000044204A1 Electronic ballast with a piezoelectric cooling fan
07/27/2000WO2000043848A1 Sequential, clamped, single-ended ignition of series operation arc lamps
07/26/2000EP1022932A1 Discharge lamp operating device
07/26/2000EP0894345B1 Electrical connection and use thereof
07/26/2000CN1261250A Gas discharge lamp
07/25/2000US6094124 Ballast for discharge lamp and method and apparatus for manufacturing the same
07/25/2000US6094017 Dimming ballast and drive method for a metal halide lamp using a frequency controlled loosely coupled transformer
07/25/2000US6094016 Electronic ballast
07/25/2000US6094015 Illumination unit and liquid crystal display device
07/25/2000US6094011 Discharge lamp lighting device driven by internal combustion engine
07/25/2000CA2027515C Preflash measurement technique
07/20/2000WO2000041495A2 Kit for converting lighting units employing fluorescent lamps from inductive operation to electronic operation
07/20/2000WO2000041464A2 Circuit arrangement
07/20/2000DE19901585A1 Vorschaltgerät für eine Hochdruckgasentladungslampe in einem Kraftfahrzeug Ballast for a high pressure gas discharge lamp in a motor vehicle
07/20/2000CA2362745A1 Kit for converting lighting units employing fluorescent lamps from inductive operation to electronic operation
07/19/2000EP1021072A1 Ballast for discharge lamp on a vehicle
07/19/2000EP1020100A1 Supply circuit for a fluorescent tube installation
07/19/2000EP1020016A2 Converter/inverter full bridge ballast circuit
07/19/2000CN2388797Y Connect-disconnect energy-saving lamp ballast device for double-end holder
07/19/2000CN2388764Y High-frequency ballast emergency converter
07/19/2000CN1054726C 镇流电路 Ballast circuit
07/18/2000US6091906 Flash device
07/18/2000US6091210 Electronic ballast with boost converter
07/18/2000US6091209 Piezoelectric transformer discharge lamp operating circuit with duty cycle dimming circuit
07/18/2000US6091208 Lamp ignitor for starting conventional hid lamps and for starting and restarting hid lamps with hot restrike capability
07/18/2000US6091207 Pump support choke
07/18/2000US6091206 Electronic ballast system for fluorescent lamps
07/18/2000US6091201 Method and apparatus for accommodating multiple dimming strategies
07/18/2000CA2148207C Power supply for vacuum fluorescent displays
07/14/2000CA2259055A1 Load power reduction control and supply system
07/13/2000WO2000041444A1 Electronic lamp ballast
07/13/2000WO2000041287A1 Arrangement for protecting low-voltage control circuitry from externally applied high voltages, and dimming ballast employing such an arrangement
07/13/2000DE19961102A1 Elektronisches Vorschaltgerät Electronic ballast
07/13/2000DE19900889A1 Kit for converting lights with straight fluorescent lamps with sockets at both ends from inductive to electronic operation has two adapters for plugging onto fluorescent lamp contact pins
07/12/2000EP1018289A1 Electronic ballast system
07/12/2000EP0777954B1 Circuit arrangement
07/12/2000EP0663139B1 Electrodeless lamp with bulb rotation
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