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)
07/2010
07/14/2010EP2206414A2 A ballast circuit
07/14/2010EP2206413A1 Starting fluorescent lamps with a voltage fed inverter
07/14/2010CN201528463U Novel dimmer control circuit for gas discharge lamp
07/14/2010CN201528462U Voice actuated dimming ballast of HFED
07/14/2010CN201528461U Electric ballast for a full-voltage high-power factor energy-saving lamp
07/14/2010CN201528460U Fluorescent lamp and electric ballast of energy-saving lamp
07/14/2010CN201528459U Long-service-life and secure electronic ballast
07/14/2010CN201528458U Energy-saving electronic ballast
07/14/2010CN201528457U Electronic ballast for electrodeless lamp
07/14/2010CN201528456U Electronic ballast and gas discharge device
07/14/2010CN201528455U Easily maintained fluorescent lamp ballast
07/14/2010CN201526889U Distribution station dual-use remote emergency light
07/14/2010CN201526821U Compact fluorescent lamp
07/14/2010CN1933694B Multifunction protection driver system and method for cold-cathode and external electrode fluorescence lamp
07/14/2010CN1905772B Master-slave control architecture for inverter
07/14/2010CN1898161B Supply device for ultraviolet lamps used in the treatment of water
07/14/2010CN101778524A Fluorescent lamp dimming control circuit and dimmable fluorescent lamp thereof
07/14/2010CN101778523A Electronic ballast used for controlling load circuit of fluorescent lamp and control method thereof
07/14/2010CN101778522A Alternating current/ direct current (AC/DC) emergency illumination electrodeless lamp
07/14/2010CN101778521A Multifrequency jumping low-frequency non-polarized lamp power supply driving module
07/14/2010CN101778520A Method for controlling soft switching of zero voltage quasi-square wave BUCK transducer and circuit thereof
07/14/2010CN101778519A Active electronic ballast
07/14/2010CN101778518A Switch of energy-saving environment-friendly emergency lamp
07/14/2010CN101778517A Electronic ballast structure
07/14/2010CN101777484A High-frequency electrodeless sodion gas discharge sodium lamp device
07/14/2010CN101106012B Inverter transformer and discharge tube drive circuit using the same
07/13/2010US7755301 Backlight unit for liquid crystal display
07/13/2010US7755299 Transformer for balancing currents
07/13/2010US7755297 Display apparatus and control method thereof
07/13/2010US7755296 Resonant inverter
07/13/2010US7753558 Compact fluorescent lamp package
07/08/2010WO2010076777A1 System and method for dimming a discharge lamp
07/08/2010WO2010076736A2 Circuit and method for igniting fluorescent lamps
07/08/2010WO2010076735A1 Method of igniting a lamp, controller for a lamp, and a lamp controlled by a controller
07/08/2010WO2010076728A2 A method of controlling a fluorescent lamp and a control system therefor
07/08/2010WO2010076720A1 Electronic circuit for driving a fluorescent lamp and lighting application
07/08/2010WO2010076105A1 Method and operating device for determining an acoustic resonance in a hid lamp
07/08/2010US20100171438 Electronic ballast having current waveform control within the half wave
07/08/2010US20100171436 Low frequency electrodeless plasma lamp
07/08/2010US20100171434 Circuit arrangement for operating discharge lamps and method for operating discharge lamps
07/08/2010US20100171433 Luminescent lamp lighting device
07/08/2010DE102005014856B4 Leuchte mit einer Kaltkathodenröhre Lamp with a cold cathode tube
07/07/2010EP2205048A1 Control of a resonant switching system with monitoring of the working current in an observation window
07/07/2010EP2205046A2 Dimmer device with feedback function
07/07/2010EP2204078A1 Electronic ballast for a discharge lamp
07/07/2010CN201523479U Device for controlling startup of light source
07/07/2010CN201523478U Surge overcurrent suppression circuit
07/07/2010CN201523477U Self-ballasted energy-saving fluorescent lamp
07/07/2010CN201523476U Automobile xenon lamp decoder
07/07/2010CN201523475U Modularized integration vehicle xenon lamp ballast
07/07/2010CN201523473U Radiation intensity control device
07/07/2010CN201521876U Ceiling lamp capable of automatically adjusting color temperature according to environmental temperature
07/07/2010CN101772250A Dimmable electronic ballast
07/07/2010CN101772249A Three-section dimming lamp base with rotary joint and fluorescent lamp using same
07/07/2010CN101772248A General constant-power electronic ballast for high-intensity gas discharge lamp
07/07/2010CN101771349A A control circuit of a dc/dc converter
07/07/2010CN101771336A Control of a resonant switching system with monitoring of the working current in an observation window
07/07/2010CN101769474A Backlight module
07/07/2010CN101769456A Intelligent energy-saving lamp conversion device and manufacture method thereof
07/07/2010CN101527252B Electromagnetic induction lamp with assistant starting conduction band
07/07/2010CN101438376B Cold cathode lamp, illuminating device for display comprising same, and display
07/07/2010CN101410933B Cold cathode lamp, illuminating device for display comprising same, and display
07/07/2010CN101311793B Backlight module
07/07/2010CN101019469B Cold-cathode tube drive device
07/06/2010US7750579 LED driving device with variable light intensity
07/06/2010US7750578 Discharge lamp ballast apparatus
07/06/2010US7750570 Glow-switch starter, lighting device and lighting system therewith, and use thereof
07/01/2010WO2010073232A1 Lamp end of life prediction
07/01/2010WO2010072866A1 Device for regulating the luminous intensity in fluorescent lamps with an electromagnetic reactance and a starter, and lighting system which comprises said device
07/01/2010WO2010072865A1 Electronic device for switching on a fluorescent lamp and fluorescent lamp which comprises said device
07/01/2010WO2010072719A1 Method and operating device for operating a lighting means using regulated current
07/01/2010WO2007062430A3 Device for controlling drive current for an electroluminescent device array with amplitude shift modulation
07/01/2010US20100165305 Discharge lamp lighting device, projector, and control method of discharge lamp lighting device
07/01/2010US20100164858 Control circuit for light-emitting element
07/01/2010US20100164407 Sensing type control circuit for electronic apparatus
07/01/2010US20100164400 Switching power supply system for optical sources or a load requiring a controlled supply current
07/01/2010US20100164393 Light source driving circuit
07/01/2010US20100164392 Discharge lamp lighting apparatus
07/01/2010US20100164388 Luminous system and method with a changeable color light
07/01/2010US20100164385 Discharge lamp lighting device
07/01/2010US20100164383 Method of driving a discharge lamp, driving arrangement, an projector system
07/01/2010DE202004021717U1 Schaltungsanordnung zum Betreiben einer Gasentladungslampe mit einem Heiztransformator A circuit arrangement for operating a gas discharge lamp with a filament transformer
07/01/2010DE102009041332A1 Lighting units retrofitting device, has lighting unit provided with electrical contacts for lamps, and contact sockets for accommodating lighting unit, where distance between sockets along longitudinal direction of device is adjustable
06/2010
06/30/2010EP2201824A2 Interface for a luminous means operating device
06/30/2010CN201518554U Energy-saving lamp with adjustable light
06/30/2010CN201518312U High-frequency electromagnetic discharge lamp
06/30/2010CN201518311U Single-electrode nanometer filament-free energy-saving fluorescent tube
06/30/2010CN1633830B Lamp sensor for a ballast for operating a gas discharge lamp
06/30/2010CN101766062A electronic ballast having adaptive frequency shifting
06/30/2010CN101766061A Electronic ballast and method for operating at least one discharge lamp
06/30/2010CN101766060A Electronic ballast for discharge lamp
06/30/2010CN101765288A Control circuit for light-emitting element
06/30/2010CN101765287A Fluorescent lamp control circuit and fluorescent lamp thereof
06/30/2010CN101765286A Method for stabilizing working current of cold cathode UV lamp
06/30/2010CN101765285A Lighting tube drive device
06/30/2010CN101765284A Centralized electric power supply and power supply method of energy saving lamp set
06/30/2010CN101765283A Electronic ballast with integration of illumination and emergency of fluorescent lamp
06/30/2010CN101765282A Xenon short-arc lamp start-up circuit and xenon short-arc lamp
06/30/2010CN101765281A Ballast circuit and gas discharge lamp
06/30/2010CN101765280A Energy-saving lamp tube ballast
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