Patents for H05B 41 - Circuit arrangements or apparatus for igniting or operating discharge lamps (35,100) |
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12/05/2012 | CN202587565U Double-relay self-locking trigger control circuit for energy-saving lamp |
12/05/2012 | CN202587564U Single-relay self-locking trigger control circuit for energy-saving lamp |
12/05/2012 | CN202587563U Inductance ballast high-voltage trigger startup system |
12/05/2012 | CN202587562U Intelligent control device of high intensity discharge (HID) electronic ballast |
12/05/2012 | CN202587561U Monitoring system for street-lamp illumination power-line carrier network |
12/05/2012 | CN202587560U High-power electronic ballast |
12/05/2012 | CN202587559U High intensity discharge (HID) ballast based on digital signal processor (DSP) |
12/05/2012 | CN202587558U Low frequency electrodeless energy saving lamp ballast |
12/05/2012 | CN202587557U Lighting circuit with inductance ballast and two lamps |
12/05/2012 | CN202587556U Full touch control digital ballast |
12/05/2012 | CN202587555U Inductance ballast dual-power device |
12/05/2012 | CN202587554U High intensity discharge (HID) ballast based on UC2843 chip |
12/05/2012 | CN202587553U Touch type electronic ballast |
12/05/2012 | CN202587532U Single-wire carrier dimming circuit structure |
12/05/2012 | CN202587487U Electronic ballast for driving at least one LED and/or at least one electric-discharge lamp |
12/05/2012 | CN202585080U Drive transformer for high frequency generator of electrodeless lamp |
12/05/2012 | CN202585029U Embedded magnetic core for high frequency generator of high frequency electronic discharge lamp |
12/05/2012 | CN202584998U High-frequency loop filter for high frequency generator of electrodeless lamp |
12/05/2012 | CN202581172U Dual-purpose lamp holder for fluorescent tube and light-emitting diode (LED) tube |
12/05/2012 | CN102812535A Method for operating an amalgam lamp |
12/05/2012 | CN102810451A Large-power self-trigger high-voltage sodium lamp |
12/05/2012 | CN101778524B Fluorescent lamp dimming control circuit and dimmable fluorescent lamp thereof |
12/05/2012 | CN101697426B 车辆接口 Vehicle Interface |
12/05/2012 | CN101536613B Circuit arrangement for operation of discharge lamps, and method for operation of discharge lamps |
12/05/2012 | CN101529989B Cold cathode tube lamp |
12/05/2012 | CN101453817B Apparatus for city illumination |
12/04/2012 | US8324840 Apparatus, method and system for providing AC line power to lighting devices |
12/04/2012 | US8324829 Startup control for a high pressure discharge lamp ballast |
12/04/2012 | US8324828 High-pressure discharge lamp lighting device, high pressure discharge lamp apparatus using this, projector using the high-pressure discharge lamp apparatus, and high-pressure discharge lamp lighting method |
12/04/2012 | US8324824 1-wire communication protocol and interface circuit |
12/04/2012 | US8324823 AC LED dimmer and dimming method thereby |
12/04/2012 | US8324822 System and method for dimmable constant power light driver |
12/04/2012 | US8324820 Capacitor shunted LED light string |
12/04/2012 | US8324816 LED driving circuit |
12/04/2012 | US8324815 LED lighting system |
12/04/2012 | US8324813 Electronic ballast with frequency independent filament voltage control |
11/29/2012 | WO2012161795A1 Lighting power circuit with peak current limiter for emi filter |
11/29/2012 | WO2012160010A1 Circuit arrangement and method for operating at least one high-pressure discharge lamp |
11/29/2012 | US20120299508 Xenon lamp drive unit, method for driving xenon lamp, and artificial solar light irradiation unit |
11/29/2012 | US20120299504 Discharge lamp lighting apparatus |
11/29/2012 | DE112009005226T5 Verfahren zum Bilden elner Leistungsversorgungssteuerung und System dafür A method of forming Elner power supply control and system therefor |
11/29/2012 | DE102011076333A1 Schaltungsanordnung und Verfahren zum Betreiben mindestens einer Hochdruckentladungslampe Circuit arrangement and method for operating at least one high-pressure discharge lamp |
11/28/2012 | EP2526742A1 Circuit arrangement and method for operation of a high-pressure discharge lamp below its nominal power |
11/28/2012 | EP2526741A1 Circuit arrangement and method for rapid commutation during square wave operation of high-pressure discharge lamps |
11/28/2012 | CN202565557U Fluorescent lamp switch service life prolonging device |
11/28/2012 | CN202565556U High intensity discharge lamp multi-resonant circuit |
11/28/2012 | CN202565555U Energy-efficient abnormal-state protection limiter circuit for electronic ballast |
11/28/2012 | CN202565554U Electric-discharge lamp |
11/28/2012 | CN202565553U Power factor improvement module and peripheral circuit thereof |
11/28/2012 | CN202565552U High-power factor ballast |
11/28/2012 | CN202565551U Starter with nonradioactive substances |
11/28/2012 | CN202564921U Abnormal protection circuit |
11/28/2012 | CN1909759B WELD driving circuit and OLED driving circuit |
11/28/2012 | CN1909758B Multifunctional driving controller |
11/28/2012 | CN1380810B Strobotron with feedback based on processor |
11/28/2012 | CN102804928A Electronic ballast for a fluorescent lamp |
11/28/2012 | CN102802332A Frequency control module and control method for converter of cold cathode fluorescence lamp |
11/28/2012 | CN102802331A Xenon lamp drive unit, method for driving xenon lamp, and artificial solar light irradiation unit |
11/28/2012 | CN102802330A Starting system of high-intensity gas discharge lamp |
11/28/2012 | CN102802329A Multifunctional electronic ballasting protection circuit |
11/28/2012 | CN101854769B Light source brightness control circuit and method |
11/28/2012 | CN101790274B Discharge lamp lighting device and illumination fixture |
11/28/2012 | CN101730355B Discharge lamp lighting device and illumination fixture |
11/28/2012 | CN101674698B Automatic control device and control method of illuminating lamp |
11/28/2012 | CN101616530B Induction lamp lighting device and illumination apparatus |
11/28/2012 | CN101546059B Liquid crystal display device, infrared transmitting device and remote control display system |
11/28/2012 | CN101541133B Split type multi-energy-saving lamp illumination system |
11/28/2012 | CN101529988B Discharge lamp lighting device, and image display device |
11/27/2012 | US8319453 Electronic operating device having an output network for operating at least one discharge lamp |
11/27/2012 | US8319448 Driver arrangement for light emitting diodes |
11/27/2012 | US8319447 Hid lamp ballast with multi-phase operation based on a detected lamp illumination state |
11/27/2012 | US8319446 Circuit for controlling a fluorescent lamp, method for operating the circuit, and system comprising the circuit |
11/27/2012 | US8319439 Electrodeless plasma lamp and drive circuit |
11/27/2012 | US8319438 Circuit for detecting computer states |
11/27/2012 | US8319433 LED-based lighting system for retrofitting fluorescent lighting fixtures in a transit vehicle |
11/27/2012 | US8319252 Light emitting device with high color rendering index and high luminescence efficiency |
11/27/2012 | CA2634528C Point-of-use water treatment system |
11/22/2012 | WO2012156205A1 Method for operating a high-pressure discharge lamp with a variable power |
11/22/2012 | US20120293089 Device for ignition and operating discharge tubes by using energy impulse and resonance circuit |
11/22/2012 | US20120293073 Apparatus for driving a gas discharge lamp |
11/22/2012 | CA2801470A1 Determine a setting of a triac dimmer through induced relaxation oscillation |
11/21/2012 | EP2524581A1 Circuit arrangement and method for starting and operating a high-pressure discharge lamp |
11/21/2012 | EP2524580A2 Method for starting a high-pressure discharge lamp |
11/21/2012 | EP2524579A2 A power factor correction circuit of an electronic ballast |
11/21/2012 | EP2524574A2 Synchronized control of lamps |
11/21/2012 | CN202551481U Sectional dimming control circuit for electronic ballast of fluorescent lamp |
11/21/2012 | CN202551480U Dimming control device of energy saving lamp |
11/21/2012 | CN202551479U Touch dimming control device adapted to high-intensity discharge (HID) electronic ballast |
11/21/2012 | CN202551478U Constant-power control circuit for HID (High Intensity Discharge) electronic ballast |
11/21/2012 | CN202551477U Voice control ballast of electrodeless lamp |
11/21/2012 | CN202551476U Acousto-optic double-control delayed electricity-saving fluorescent lamp |
11/21/2012 | CN202551475U A device capable of outputting and igniting fluorescent lamps in two ways and in an energy-saving manner |
11/21/2012 | CN202551474U Auxiliary ignition apparatus and high-intensity gas discharge lamp using the same |
11/21/2012 | CN102792781A Electronic ballast for parallel lamp operation with program start |
11/21/2012 | CN102792780A Method and device for driving a gas discharge lamp |
11/21/2012 | CN102791070A HID (High Intensity Discharge) street lamp illumination power carrier network monitoring system |
11/21/2012 | CN102791069A Power supply with controllable output current |
11/21/2012 | CN102791068A Reverse connection circuit for protecting electronic ballast |
11/21/2012 | CN102791067A Automatic ignition device for lighted-off xenon lamp |
11/21/2012 | CN102791066A Device for solving discharge tube dark effect by utilizing LED (Light-Emitting Diode) lamp to illuminate |