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)
08/2012
08/15/2012EP2488000A2 Two level lighting ballast
08/15/2012EP2487705A1 Automotive discharge lamp
08/15/2012EP2486777A1 Start auxiliary device, ballast and illumination device
08/15/2012EP2486584A2 High efficiency lighting assembly with an ac-driven metal halide lamp
08/15/2012EP2329690B1 Control of lamp striking voltage and recovery of energy from resonant lamp strike circuits used for electronic high intensity discharge lamp ballasting and other lamp ballasts
08/15/2012EP2249374B1 Automotive discharge lamp
08/15/2012EP2039226B1 Method of controlling a lighting system based on a target light distribution
08/15/2012CN202385373U Wide voltage input type light-modulating electrodeless lamp ballast
08/15/2012CN202385372U Urban streetlamp lighting control system
08/15/2012CN202385371U Electronic ballast for fluorescent lamp
08/15/2012CN202385370U T5-to-T8 fluorescent lamp tube-in-tube electronic ballast
08/15/2012CN1953633B High-pressure lamp and associated system and method for the resonant operation of high-pressure lamps in longitudinal mode
08/15/2012CN102640572A Method and device for driving a fluorescent lamp
08/15/2012CN102640571A Electronic inverter with protection for discharges produced by malfunctioning in gas discharge or fluorescent lamps at the end of the service life thereof
08/15/2012CN102640570A Selectively activated rapid start/bleeder circuit for solid state lighting system
08/15/2012CN102640567A Method for setting an electronic ballast, an electronic ballast and a compensating unit
08/15/2012CN102638928A Two light level control circuit
08/15/2012CN102636942A Projector
08/15/2012CN102096292B 投影机 Projector
08/15/2012CN101765282B Xenon short-arc lamp start-up circuit and xenon short-arc lamp
08/15/2012CN101578923B Discharge lamp lighting device
08/15/2012CN101513131B Thermal protection for lamp ballasts
08/15/2012CN101389173B Current monitoring system for florescent lamp and controlling method thereof
08/15/2012CN101094555B Digital controlled light source drive device
08/14/2012US8243005 Apparatus and method for driving lamp of liquid crystal display device
08/14/2012US8242757 Constant power control apparatus and control method thereof
08/14/2012US8242714 Two-wire dimmer circuit for a screw-in compact fluorescent lamp
08/14/2012US8242705 Frequency modulation method and device for high intensity discharge lamp
08/14/2012US8242704 Apparatus, method and system for providing power to solid state lighting
08/14/2012US8242703 Driving apparatus for light emitting diodes without employing electrolytic capacitor
08/14/2012US8242701 LED light source adapter
08/10/2012CA2766726A1 Two level lighting ballast
08/10/2012CA2766659A1 Two light level control circuit
08/09/2012WO2012106467A2 Hand held, high power uv lamp
08/09/2012US20120200233 Circuit Arrangement for a Piezo Transformer, and Method Therefor
08/09/2012DE102005006587B4 Wechselrichter insbesondere für eine konstante Lichtabgabe einer Kaltkathodenfluoreszenzlampe und Verfahren zum Betrieb dieses Wechselrichters Inverter especially for a constant light output of a cold cathode fluorescent lamp and method of operation of this inverter
08/08/2012EP2484184A1 Circuit arrangement for operating at least one discharge lamp
08/08/2012EP2484183A1 Electronic ballast and method for operating at least one discharge lamp
08/08/2012EP2359667B1 Combination luminaire
08/08/2012EP1851601B1 Ballast power supply
08/08/2012CN202374551U Dimmable CCFL liquid crystal lamp bulb
08/08/2012CN202374550U Stepless variable power inductive ballast
08/08/2012CN202374549U Energy-saving DC high frequency plasma electrodeless discharge lamp
08/08/2012CN202374548U Synchronous ballast of fluorescent tube for color sorter
08/08/2012CN202374547U High-voltage sodium lamp circuit
08/08/2012CN202374546U High-altitude low-temperature preheated-started direct current energy-saving lamp
08/08/2012CN102630117A Low-frequency homenergic synchronous switch gas discharge lamp driving circuit
08/08/2012CN101213883B Device and method for operating a high-pressure discharge lamp
08/07/2012US8237415 Control circuit and method for capacitor charging circuit
08/07/2012US8237382 LED module and method for operating at least one LED
08/07/2012US8237373 Drive device for performing electric power conversion by using switching element
08/07/2012US8237371 Differential driving circuit for powering a light source
08/02/2012US20120194093 High efficiency lighting assembly
08/02/2012US20120194092 Discharge lamp with long life
08/02/2012US20120194084 Method for operating high-pressure discharge lamps
08/02/2012US20120194070 Operating an electrodeless discharge lamp
08/02/2012DE102011089104A1 Ballast for gas discharge lamp, has control circuit determining output signal by heating power transferred to heating circuit depending on straight line in regulation circuit and adjusting frequency of timing of inverter
08/02/2012DE102011000441A1 Operation control apparatus for operating lighting unit, has control unit that controls both supply voltage source and inverter circuit, so that desired operating state of lighting unit is set
08/02/2012DE102005033240B4 Schaltungsanordnung zum Starten und Betreiben einer Entladungslampe Circuit arrangement for starting and operating a discharge lamp
08/01/2012EP2482622A2 Plasma lighting system
08/01/2012EP2025208B1 High-pressure discharge lamp with an improved starting capability, as well as a high-voltage pulse generator
08/01/2012CN202364464U Printed circuit board and electronic energy-saving lamp device comprising same
08/01/2012CN202364459U Light-modulating HID electronic ballast with standby function
08/01/2012CN202364458U Two-section type alternative voltage transformation stepless lamp
08/01/2012CN202364457U DC electromagnetic sense light
08/01/2012CN202364456U Preheating circuit of efficient fluorescent lamp
08/01/2012CN202364455U All-in-one plug type vehicle xenon lamp stabilizer
08/01/2012CN202363455U Lead frame and lead frame array used for packaging power IC and packaging structure
08/01/2012CN202363412U Low frequency inner coupling-type close ball-type electroless lamp
08/01/2012CN202361333U Ballast box
08/01/2012CN102626004A Method and apparatus providing universal voltage input for solid state light fixtures
08/01/2012CN102625949A Method and system for monitoring performance of a discharge lamp and corresponding lamp
08/01/2012CN102625554A Distributed DALI (Digital Addressable Lighting Interface) lighting control system and method thereof
08/01/2012CN102625553A Electrodeless lamp with high-frequency generating circuit
08/01/2012CN102625552A Power driving circuit board for cold cathode fluorescent lamp
08/01/2012CN102625551A Electronic ballast for fluorescent lamp and energy saving lamp
08/01/2012CN102625546A Automatic dimming constant light control system
07/2012
07/31/2012US8232736 Power control system for current regulated light sources
07/31/2012US8232735 System and method for driving LED
07/31/2012US8232731 Automatic adaptation of shed lighting
07/31/2012DE202011001000U1 Lampenbetriebsgerät mit werkzeugloser Befestigung Lamp control gear with tool-free mounting
07/31/2012DE202006021104U1 System zur Luminanzcharakterisierung System for Luminanzcharakterisierung
07/26/2012US20120187860 Circuit assembly for controlling an optical system to generate optical pulses and pulse bursts
07/26/2012US20120187840 Tuning a dielectric barrier discharge cleaning system
07/26/2012DE4245092B4 Starter circuit for use with parallel driven gas-discharge lighting units - has inverter coupled to series resonance circuit with transformer having symmetrical windings coupled to lamps
07/25/2012EP2480050A2 Lighting device and luminaire
07/25/2012EP2478748A2 Electronic ballast with dimming circuit
07/25/2012EP2478747A1 Method for setting an electronic ballast, an electronic ballast and a compensating unit
07/25/2012EP1961278B1 A universal dimmer
07/25/2012CN202353908U Dimming electrodeless lamp ballast
07/25/2012CN202353907U Control circuit board for high-intensity discharging lamp
07/25/2012CN202353906U Enhanced high intensity discharge (HID) ballast ignition device with two energy storage capacitors
07/25/2012CN202353905U Ballast with abnormity protection circuit
07/25/2012CN202353904U Novel fluorescent lamp electronic ballast
07/25/2012CN202353903U Ballast for improving harmonic wave by using high-frequency feedback line
07/25/2012CN202353902U Remote intelligent monitoring system for street lamps
07/25/2012CN202352615U Long-arc discharge lamp and light irradiation device
07/25/2012CN202349828U Xenon lamp
07/25/2012CN202349821U High-intensity discharge lamp lighting device
07/25/2012CN1980505B Efficient energy-saving lighting system
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