Patents for H05B 41 - Circuit arrangements or apparatus for igniting or operating discharge lamps (35,100) |
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10/23/2012 | US8294373 Illumination apparatus and control device for controlling the illumination apparatus |
10/18/2012 | WO2012141849A1 Fluorescent luminaire drive circuit |
10/18/2012 | WO2012140460A1 Discharge lamp and method of manufacturing discharge lamp |
10/18/2012 | US20120262086 Circuit for determining an average value |
10/18/2012 | US20120262084 Constant voltage dimmable LED driver |
10/18/2012 | US20120262063 Flourescent luminaire drive circuit |
10/18/2012 | DE102012102789A1 Schaltkreis zum Bestimmen eines Mittelwertes Circuit for determining a mean value |
10/18/2012 | DE102011001990A1 Device for limiting inrush current in power source ballast used for operating gas discharge lamp, has switch connected to signal generator, where generator is connected to control input and arranged in current path of rectifier to capacitor |
10/17/2012 | EP2510759A1 Method and device for driving a fluorescent lamp |
10/17/2012 | EP2510758A2 Method for controlling high intensity discharge lamp and supply system for high intensity discharge lamp |
10/17/2012 | EP2510757A2 Driver circuit for driving a load circuit |
10/17/2012 | EP2510756A2 Transition mode commutation for inverter |
10/17/2012 | CN202496126U Double-line intelligent dimming ballast |
10/17/2012 | CN202496125U Ballast of high-intensity discharge lamp |
10/17/2012 | CN102740574A Electronic ballast interface circuit |
10/17/2012 | CN102740573A Discharge lamp lighting device, projector, and discharge lamp lighting method |
10/17/2012 | CN102740534A Circuit used for driving fluorescent lamp and light emitting diode (LED) |
10/17/2012 | CN102155706B Intelligent illumination lamp |
10/17/2012 | CN101820714B Start protection and intelligent control interface circuit for low frequency electrodeless lamp |
10/17/2012 | CN101510025B Liquid crystal display device |
10/16/2012 | US8288966 Color display |
10/16/2012 | US8288956 Lamp preheat circuit for a program start ballast with filament voltage cut-back in steady state |
10/16/2012 | US8288954 Primary-side based control of secondary-side current for a transformer |
10/16/2012 | US8287147 LED based omni-directional light engine |
10/11/2012 | WO2012031902A3 Electronic ballast |
10/11/2012 | US20120256557 Multi-lamp driving system |
10/11/2012 | US20120256555 Discharge lamp lighting device, projector, and discharge lamp lighting method |
10/11/2012 | US20120256552 Ballast structure used for high-intensity discharge lamp |
10/11/2012 | US20120256545 High-Pressure Discharge Lamp |
10/10/2012 | CN202488860U Manual illumination regulator for seed breeding |
10/10/2012 | CN202488859U Self-adapting intelligent light modulation xenon street lamp |
10/10/2012 | CN202488858U Module reflection type infrared timing electrodeless lamp |
10/10/2012 | CN202488857U Soft start light |
10/10/2012 | CN202488856U Low-frequency half-bridge HID (high intensity discharge) ballast and high intensity discharge lamp |
10/10/2012 | CN202488855U Uv lamp power supply circuit |
10/10/2012 | CN202484944U Novel electric device box for electrodeless lamp |
10/10/2012 | CN102724802A Current self-adaptive control method for improving starting performance of automobile HID headlamp |
10/10/2012 | CN102724801A Electronic ballast of ultraviolet magnetic energy lamp |
10/10/2012 | CN102184836B High-frequency electrodeless lamp electromagnetic coupler with magnetic conducting structures |
10/10/2012 | CN102044402B Cold cathode spot lamp |
10/10/2012 | CN101861039B Control circuit of metal halide headlamp of digitized locomotive |
10/10/2012 | CN101835326B Sectional dimming electronic ballast with double lamp tubes |
10/10/2012 | CN101652012B High pressure discharge lamp lighting device and luminaire |
10/10/2012 | CN101513129B Discharge lamp operation device and illumination device |
10/10/2012 | CN101431852B Light source real-time regulation system and method |
10/10/2012 | CN101395970B Electronic ballast and method for operating an electrical lamp |
10/10/2012 | CN101366322B Current zero crossing detector in a dimmer circuit |
10/09/2012 | US8283875 Holding current circuits for phase-cut power control |
10/09/2012 | US8283874 LED lighting system having a reduced-power usage mode |
10/04/2012 | WO2012134703A1 Switch status detection circuit for multiple light level lighting systems |
10/04/2012 | WO2012134702A1 Multiple light level electronic power converter |
10/04/2012 | WO2012131522A1 End cap for a tubular light source |
10/04/2012 | WO2012041692A3 Open-loop and closed-loop control device for a gas discharge lamp of a motor vehicle headlight |
10/04/2012 | US20120249097 Adaptive inductive power supply |
10/04/2012 | US20120249016 Quick change base supporting fluorescent ballasts and/or light emitting diode power supplies |
10/04/2012 | US20120249014 Circuit for leakage-current elimination in led t8 fluorescent tube |
10/04/2012 | US20120249011 Light source device, projector, and driving method of discharge lamp |
10/04/2012 | US20120249010 Electrodeless plasma lamp with variable voltage power supply |
10/04/2012 | US20120248996 Start auxiliary device, ballast and illumination device |
10/04/2012 | US20120248984 Ballast and associated control circuit |
10/04/2012 | US20120248980 Multi-output electronic ballast |
10/04/2012 | CA2827191A1 Multiple light level electronic power converter |
10/03/2012 | EP2506688A2 Filament detection circuit |
10/03/2012 | EP2506687A1 Operating device for discharge lamps and light emitting diodes and method for operating the same |
10/03/2012 | EP2505040A1 Circuit assembly and method for operating a discharge lamp |
10/03/2012 | CN202475918U High-voltage sodium lamp of infrared remote control switch |
10/03/2012 | CN202475917U Infrared remote control switch metal halide lamp |
10/03/2012 | CN202475916U Infrared remotely-controlled switched electrodeless lamp |
10/03/2012 | CN202475915U Fluorescent lamp with infrared remote control switch |
10/03/2012 | CN202475914U Module radio remote control four-path metal halide lamp |
10/03/2012 | CN202475913U Modular radio-controlled four-channel electrodeless lamp |
10/03/2012 | CN202475912U Modularized wireless electric remote control four-way fluorescent lamp |
10/03/2012 | CN202475911U Modular radio remotely-controlled four-path high-voltage sodium lamp |
10/03/2012 | CN202475910U Constant light control circuit for high-power pulse xenon lamp with ultra-large pulse width |
10/03/2012 | CN202475909U High-voltage power supply starting circuit |
10/03/2012 | CN202475908U Abnormity protective line without silicon controlled rectifier |
10/03/2012 | CN202475907U Color temperature changed metal halogen lamp ballast with integrated structure |
10/03/2012 | CN202469956U Intelligent intensifying self-cleaning energy-saving grille lamp panel based on microwave induction |
10/03/2012 | CN102714910A Actuation circuit for an operating device for lighting means |
10/03/2012 | CN102714909A A power factor correction circuit of an electronic ballast |
10/03/2012 | CN102714908A Plasma lamp having tunable frequency dielectric waveguide with stabilized permittivity |
10/03/2012 | CN102714093A Contactless coupling and method for use with electrical appliance |
10/03/2012 | CN102711349A Multi-cathode remote control dimming electronic device |
10/03/2012 | CN102711348A UV lamp digital multi-stage drive power supply |
10/03/2012 | CN102711347A Human body pyroelectric infrared induction control circuit applicable to electrodeless lamps |
10/03/2012 | CN102711346A Multi-output electronic ballast |
10/03/2012 | CN102711345A Double cathode high-and-wide-voltage moth-killing lamp |
10/03/2012 | CN101883468B Control circuit of fluorescent lamp and control method |
10/03/2012 | CN101707848B Self-adaptive power matching circuit of fluorescent lamp and method |
10/03/2012 | CN101583228B Lighting tube control system |
10/03/2012 | CN101568218B Stabilizer |
10/03/2012 | CN101404849B Remote control light modulating energy-saving lamp |
10/03/2012 | CN101385397B Circuit arrangement for providing an operating DC voltage |
10/03/2012 | CN101287324B Distant measurement, communication, control method supporting illumination of ZigBee road lamp and electronic ballast |
10/03/2012 | CN101110343B Small power electromagnetic induction lamp |
10/03/2012 | CN101080128B Cycle framework driving system and method of multi-tube CCFL and/or EEFL |
10/02/2012 | US8278842 Lamp set |
10/02/2012 | US8278835 Modular electronic ballast |
10/02/2012 | US8278834 PWM control method and device and light adjusting device |
10/02/2012 | US8278833 Method of ignition regulation of discharge lamp and the corresponding electronic ballast circuit |