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)
11/1996
11/12/1996US5574336 Flourescent lamp circuit employing a reset transistor coupled to a start-up circuit that in turn controls a control circuit
11/12/1996US5574335 Ballast containing protection circuit for detecting rectification of arc discharge lamp
11/12/1996US5573087 Caliper assembly for a disc brake of a vehicle
11/12/1996CA2103543C Driver circuit for a plurality of gas discharge lamps
11/07/1996WO1996035318A1 High frequency fluorescent lamp circuit with ballast protection
11/07/1996DE19516049A1 Ignition and current supply circuit for gas discharge lamp
11/07/1996DE19515592A1 Soft-start gas-discharge lamp
11/06/1996EP0741503A1 Method of operation of a high-pressure gas-discharge lamp and circuit
11/06/1996CN1135278A 电路装置 Circuit device
11/06/1996CN1135155A Multi-Resonant boost high power factor circuit
11/05/1996US5572094 Lighting circuit for discharge lamp
11/05/1996US5572093 Regulation of hot restrike pulse intensity and repetition
11/05/1996US5570950 Lighting fixture and method of fabrication
10/1996
10/30/1996EP0740494A2 Electrical circuit for the pulsed operation of discharge lamps
10/30/1996EP0740493A2 Apparatus for operating discharge lamps
10/30/1996EP0740492A2 Process and circuit for starting and operating a discharge lamp
10/30/1996EP0740491A1 Bipolar power device having an integrated thermal protection for driving electric loads
10/30/1996EP0739578A1 System to optimize artificial lighting levels with increasing daylight level
10/30/1996EP0739545A1 Circuit arrangement
10/30/1996EP0739532A1 Method and apparatus for controlling lamp intensity
10/30/1996EP0725984A4 Apparatus for coupling electromagnetic radiation to an electrodeless lamp
10/30/1996CN2239118Y Electronic barretter
10/30/1996CN2239117Y Fluorescent lamp condenser
10/29/1996US5570148 Flash control apparatus
10/29/1996US5570057 Three-terminal insulated-gate power electronic device with a variable-slope saturated output characterisitic depending in a discontinuous way on the output current
10/29/1996US5569984 Method and controller for detecting arc instabilities in gas discharge lamps
10/29/1996US5569981 Ballast device for compact fluorescent lamp
10/28/1996CA2174604A1 Circuit for pulsed operation of a discharge lamp
10/28/1996CA2148045A1 Pl lamp holder
10/24/1996WO1996033596A1 Device and process for operating a gas discharge lamp
10/24/1996WO1996033595A1 Discharge lamp lighting system and method
10/24/1996DE19513557A1 Vorrichtung und Verfahren zum Betreiben einer Gasentladungslampe Apparatus and method for operating a gas discharge lamp
10/23/1996EP0739154A1 Supply circuit for gas discharge lamps
10/23/1996EP0738455A1 Device for operating a gas discharge lamp
10/23/1996EP0738311A1 Fluorescent materials for illumination purposes
10/23/1996CN2238517Y Multifunctional electronic ballast for daylight lamp
10/23/1996CN1134216A Double resonant driver ballast for gas lamps
10/23/1996CN1134098A Method for improvement of work quality of discharge light source lighting system
10/23/1996CN1134062A Inverter device
10/22/1996US5568041 Low-cost power factor correction circuit and method for electronic ballasts
10/22/1996US5568018 Fluorescent light ballast circuit
10/22/1996US5568017 Power supply system for discharge lamps, and a vehicle headlamp using such a power supply system
10/17/1996WO1996032827A1 Field controlled plasma discharge printing device
10/17/1996CA2220027A1 Field controlled plasma discharge printing device
10/16/1996CN1133546A Ignitor for discharging lamp
10/16/1996CN1033064C Driver circuit for plurality of gas discharge
10/15/1996US5565743 Lighting circuit for discharge lamp
10/15/1996US5565741 Method of operating a neon discharge lamp particularly useful on a vehicle
10/15/1996US5565740 Electronic ballast for hot cathode discharge lamps
10/15/1996US5565736 Discharge lamp provided with a bimetal switch, and bimetal switch suitable for a lamp
10/10/1996WO1996031996A1 Fluorescent lamp and electronic mains connecting device for operating the fluorescent lamp
10/10/1996DE19613263A1 Fluorescent lamps domestic lighting system including outdoor use
10/10/1996DE19611308A1 Motor vehicle headlight with AC drive
10/09/1996CN2237316Y Low voltage electronic starter
10/09/1996CN1032992C Three-phase low-flockering and high-lighting power fluorescent light and its control circuit
10/08/1996US5563777 Inverter AC power supply
10/08/1996US5563477 Method for operating a ballast for discharge lamps
10/08/1996US5563475 High voltage discharge lamp driving device
10/08/1996US5563473 Electronic ballast for operating lamps in parallel
10/03/1996WO1996031097A1 Circuit arrangement
10/03/1996WO1996031096A1 Discharge lamp ballast
10/03/1996WO1996031095A1 Method and apparatus for direct current pulsed ionization lighting
10/03/1996WO1996031094A1 Voltage booster, particularly for igniting inert gas-filled tubes and the like
10/03/1996WO1996031093A1 Lamp protective, electronic ballast
10/03/1996WO1996031092A1 Power system with simplified, low cost self-starting self oscillator, power factor correction, power regulation and output open circuit voltage regulation, overload and short circuit protection
10/03/1996WO1996030983A1 Circuit for energizing a fluorescent lamp and method of operating a circuit for energizing a fluorescent lamp
10/03/1996CA2216908A1 Method and apparatus for direct current pulsed ionization lighting
10/03/1996CA2191462A1 Circuit arrangement
10/02/1996EP0735803A1 Voltage converter for a vehicle headlight discharge lamp, headlight with such a circuit
10/02/1996EP0735802A1 Device for controlling a DC-AC converter in an automotive headlamp
10/02/1996EP0735801A1 Improvements in devices for operating discharge lamps in vehicle headlamps
10/02/1996EP0735800A2 Apparatus for operating an electric lamp
10/02/1996EP0735799A2 Lamp for use with rapid start metal halide bulbs
10/02/1996EP0735658A2 Inverter unit
10/02/1996EP0735569A2 Fluorescent lamp
10/02/1996EP0735567A2 Discharge lamp
10/02/1996EP0735551A1 Transformer assembly, in particular for a supply device of a vehicle discharge lamp
10/02/1996EP0734640A1 Circuit arrangement for a lamp comprising a first and second circuit branch connected to the lamp
10/02/1996DE19612716A1 Feedback control system e.g. for fluorescent lamp
10/02/1996DE19512307A1 Gerade Leuchtstoffröhre mit eingebautem elektronischen Vorschaltgerät Just fluorescent tube with built-in electronic ballast
10/02/1996CN2236716Y Anti-explosion ballast
10/02/1996CN2236713Y Magnetic wire ballast
10/01/1996US5561351 Dimmer for electrodeless discharge lamp
10/01/1996US5561349 Frequency-modulated converter with a series-parallel resonance
10/01/1996US5561348 Field controlled plasma discharge device
10/01/1996CA2170071A1 Reduced length compact fluorescent lamp and method of forming same
10/01/1996CA2170070A1 Compact fluorescent lamp having a helical lamp envelope
09/1996
09/26/1996WO1996029847A1 Fluorescent lamp system with common direct current supply
09/26/1996WO1996029846A1 Power supply for light sources, particularly for the quick ignition of fluorescent lamps and the like
09/25/1996EP0734197A1 Remote control system for individual control of spaced lighting fixtures
09/25/1996EP0734196A1 Improved system for individual and remote control of spaced lighting fixtures
09/25/1996EP0733927A2 Display apparatus providing a uniform temperature distribution over the display unit
09/25/1996EP0733266A1 Process for operating an incoherently emitting radiation source
09/25/1996CN2236205Y Magnetic-lead-type controller for fluorescent lamp
09/25/1996CN2236204Y Magneti-lead-type ballast
09/25/1996CN2236203Y Full electronic contactless low-voltage quick-acting starter
09/25/1996CN1131895A Method for discharge lamp work and its electric circuit structure
09/24/1996US5559405 Parallel resonant ballast with boost
09/24/1996US5559404 For delivering high level energy pulses to an external load
09/24/1996US5559396 Ballast filtering scheme for reduced harmonic distortion
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