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