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)
12/2010
12/22/2010CN101922616A Tube-like tube fluorescent lamp system
12/22/2010CN101060748B Local rectifying protective circuit of fluorescent lamp electronic ballast
12/22/2010CN101052261B Protector and cold cathode lamp tube driving system using said protector
12/21/2010US7855519 Method for driving of a fluorescent lighting and a ballast stabilizer circuit for performing the same
12/21/2010US7855517 Current driver circuit and method of operation therefor
12/21/2010US7855515 High-voltage high-power constant current LED driver device
12/16/2010WO2010143944A1 Power factor corrector device for a dimming circuit
12/16/2010US20100315022 Handheld Illuminating Torch
12/16/2010US20100315017 Power converting circuit and controller thereof
12/16/2010US20100315015 Lamp driver for operating a gas discharge lamp
12/16/2010DE102009023885A1 Adapter für eine Leuchtstofflampe und Verfahren zum Betreiben einer Leuchtstofflampe Adapter for a fluorescent lamp, and method for operating a fluorescent lamp
12/16/2010DE102005014855B4 Verwendung einer Leuchte, insbesondere zum Einbau in oder zum Anbau an ein Möbel oder eine Vitrine mit einer Kaltkathodenröhre Use of a product, especially for installation in or on mounting onto a piece of furniture or a display case with a cold cathode tube
12/15/2010EP2260682A1 Method and operating device for minimizing the insulation stress of a high-pressure discharge lamp system
12/15/2010CN201674717U Segmented light adjustment double-tube electronic ballast
12/15/2010CN201674716U Digital locomotive metal halogen head light control circuit
12/15/2010CN201674715U Electronic ballast with HID lamp load shorted-to-earth short-circuit protection
12/15/2010CN201674714U Electronic ballast with MCU intelligent protection
12/15/2010CN201674713U Electronic ballast for starting protection of HID (High Intensity Discharge) lamp
12/15/2010CN201674712U Electronic ballast integrating power detection and acoustic resonance inhibition of HID lamp
12/15/2010CN201674711U Electronic ballast for high speed current sampling protection
12/15/2010CN201674710U Electronic energy-saving lamp with half-bridge inverter circuit
12/15/2010CN201674709U 110V passive high power factor circuit
12/15/2010CN201674708U 230V passive high-power factor circuit
12/15/2010CN201674707U Driving device suitable for low-voltage fluorescent lamp under different power sources
12/15/2010CN201674706U Power supply device for driving fluorescent lamp tube to work and corresponding LED display device
12/15/2010CN201674705U Vehicle ultra-thin ballast
12/15/2010CN201674704U Single fire wire power extracting circuit
12/15/2010CN201674703U Ballast shell for fluorescent lamp
12/15/2010CN201674702U Electrodeless lamp coupler bottom seat
12/15/2010CN1913738B Balance coil and inverter for driving backlight
12/15/2010CN1885376B Display apparatus and control method thereof
12/15/2010CN1797623B Transducing transformer in double loop, and monopolar fluorescent lamp of installing the transformer
12/15/2010CN1753594B Electron ballast passive power factor correcting circuit
12/15/2010CN101919318A Lighting device and display device
12/15/2010CN101917814A Electronic ballast of fluorescent lamp with frequency converting and preheating functions
12/15/2010CN101917813A Post-stage drive circuit used for HID electronic ballast
12/15/2010CN101917812A Metal halide lamp power supply and method for lighting metal halide lamp
12/15/2010CN101917811A Anti-noise jamming high-side drive circuit
12/15/2010CN101917803A Control system and output modal switching method of microcontroller in same
12/15/2010CN101217098B A light source of UHF electrodeless discharge lamp
12/15/2010CN101171886B Dimmer for use with a three-way switch
12/15/2010CN101128079B Light tube driving system using electric isolation control
12/15/2010CN101064983B Compact light-operated florescent lamp and light-operated circuit thereof
12/14/2010US7852312 System for controlling driving lamp of backlight unit
12/14/2010US7852300 Current regulator for multimode operation of solid state lighting
12/14/2010US7852018 Apparatus and method of driving lamp of liquid crystal display device
12/14/2010US7852015 Solid state lighting system and maintenance method therein
12/14/2010US7852014 Method and cell for controlling the power factor of a power supply line
12/14/2010US7852012 Circuit apparatus with a high-side buck transistor
12/14/2010US7852008 Dielectric barrier discharge lamp lighting device
12/09/2010WO2010140124A2 Method and system for monitoring performance of a discharge lamp and corresponding lamp
12/09/2010WO2010139552A1 Adaptor for a fluorescent light and method for operating a fluorescent light
12/09/2010WO2010139528A1 Circuit arrangement for a piezo transformer, and method therefor
12/09/2010WO2010104297A3 Active constant power supply apparatus
12/09/2010US20100308751 Led power source and dc-dc converter
12/09/2010US20100308750 Constant current driver circuit with voltage compensated current sense mirror
12/09/2010US20100308746 Electronic operating device for operating at least one discharge lamp
12/09/2010US20100308743 Light Emitting Diode Driving Device
12/09/2010US20100308741 Electronic ballast for a discharge lamp
12/09/2010US20100308740 Electronic ballast and method for operating at least one discharge lamp
12/09/2010US20100308734 Circuit arrangement and method for operating a low-pressure discharge lamp
12/09/2010DE112008002754T5 Betrieb von Beleuchtungseinrichtungen Operation of lighting devices
12/09/2010DE102010027800A1 Method for operating gas-discharge lamp, involves supplying voltage drop over capacitance of serial resonant circuit, and contacting high frequency alternating voltage at serial resonant circuit
12/09/2010DE102009023505A1 Schaltungsanordnung für einen Piezotransformator und dazugehörendes Verfahren Circuit for a piezoelectric transformer and Related, method
12/09/2010DE10028089B4 Beleuchtungseinrichtung mit einer Hochleistungs-Entladungslampe Lighting device with a high-intensity discharge lamp
12/08/2010EP2259661A2 Multiple-input electronic ballast with processor
12/08/2010EP2259660A2 Electronic ballast control circuit
12/08/2010EP2258149A1 Detection of the type of an hid lamp by a multi-lamp operating device and lighting system
12/08/2010EP1719034B1 A protective and measure device for multiple cold cathode flourescent lamps
12/08/2010CN201667756U Electrodeless lamp control module with selectable timing and variable power
12/08/2010CN201667755U Hid flashlight control circuit
12/08/2010CN201667754U Lighting and emergency electronic ballast of fluorescent lamp
12/08/2010CN201667753U Multi-frequency hopping power supply driving module for low-frequency electrodeless lamps
12/08/2010CN201666472U Internal trigger fluorescence high voltage sodium lamp
12/08/2010CN1988751B Control method and its device for high voltage gas discharge lamp light intensity
12/08/2010CN1953632B Opening protective circuit
12/08/2010CN1883238B Discharge lamp ballast with detection of abnormal discharge outside the arc tube
12/08/2010CN1880835B Phosphor converted light source
12/08/2010CN1849031B Ballast with dimmer
12/08/2010CN1742520B Circuit and method for driving a load, in particular a high-intensity discharge lamp, and a control unit for said circuit
12/08/2010CN1735307B Control system for a resonant inverter with self-oscillatingdriver
12/08/2010CN1735304B Power supply apparatus for high voltage discharge lamp
12/08/2010CN1681367B Method for preventing high voltage power supply from providing short circuit current to microwave generator and radiation generating system
12/08/2010CN1315820B Duplex-controlled light regulating ballast
12/08/2010CN101911837A Discharge lamp
12/08/2010CN101911834A Lighting circuit, and discharge lamp and illumination device having the circuit
12/08/2010CN101909397A Circuit arrangement and method for operating a low-pressure discharge lamp
12/08/2010CN101909396A Electronic ballast and over-voltage clamping protection method thereof
12/08/2010CN101909395A Electronic ballast and method for operating at least one discharge lamp
12/08/2010CN101907252A Efficient energy-saving lamp for automatically switching standby light source
12/08/2010CN101555995B Novel fluorescent lamp
12/08/2010CN101359153B Exposure driver circuit
12/08/2010CN101154552B Finsen lamp assembly
12/08/2010CN101129098B Starter for low-pressure discharge lamp
12/08/2010CN101060751B An energy-saving device for improving the electric light source light-emitting efficiency
12/08/2010CN101031175B Discharging lamp lighting device and illumination device
12/07/2010US7847491 Sequential burst mode activation circuit
12/07/2010US7847488 Power supply circuit and portable device
12/07/2010US7847486 LED lighting system
12/07/2010US7845805 Discharge lamp lighting apparatus and projector
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