Patents
Patents for H05B 41 - Circuit arrangements or apparatus for igniting or operating discharge lamps (35,100)
04/2011
04/27/2011CN201813604U Constant-current and direct-current fluorescent lamp ballast
04/27/2011CN201813603U Intelligent electronic ballast circuit
04/27/2011CN201813602U Magnetic ballast for fluorescent lamp
04/27/2011CN201813601U Environment-friendly energy-saving multifunctional inductive ballast of fluorescent lamp
04/27/2011CN201813600U Self-excited type electronic ballast having high output open-circuit voltage
04/27/2011CN201811074U Split type high-power energy-saving street lamp
04/27/2011CN201811036U Illumination light source module
04/27/2011CN201805751U Plant cultivation illumination device
04/27/2011CN1764342B Electronic ballast and its IC power supply method
04/27/2011CN1625319B Universal platform for phase dimming discharge lighting ballast and lamp
04/27/2011CN102037788A Microcontroller based ignition in high frequency ceramic metal halide lamps
04/27/2011CN102037787A Ignition for ceramic metal halide high frequency ballasts
04/27/2011CN102036458A Phase control dimming compatible lighting systems
04/27/2011CN102036457A Electronic ballast-based programmable voltage controlled oscillator (VCO) circuit
04/27/2011CN102036456A Discharge lamp lighting device and illumination fixture
04/27/2011CN102036455A Electronic ballast for setting and adjusting output power in fixed time via dial-up
04/27/2011CN102036454A Special energy-saving module for daylight lamps or fluorescent lamps
04/27/2011CN102036453A Protecting device of fluorescent lamp illuminating system
04/27/2011CN102036441A Driving device for lighting circuit and illumination device
04/27/2011CN102032532A Fixing frame of Illuminating lamp driving device,, driving device and illuminating lamp
04/27/2011CN101179895B AC magnetic controlled power regulation electrical inductance ballast
04/26/2011US7932683 Balancing transformers for multi-lamp operation
04/26/2011US7932679 Method of forming an LED system
04/21/2011WO2011010269A3 Power converter and vehicle lighting device, vehicle headlight and vehicle using power converter
04/21/2011US20110089865 Load driving circuit and multi-load feedback circuit
04/21/2011US20110089858 Load driving circuit and multi-load feedback circuit
04/21/2011US20110089856 Light emitting diode lamp and control circuit thereof
04/21/2011US20110089855 Knowledge-based driver apparatus for high lumen maintenance and end-of-life adaptation
04/21/2011US20110089852 Addressable LED Light String
04/21/2011US20110089851 Solid state lighting apparatus
04/21/2011US20110089848 Discharge lamp ballast apparatus
04/21/2011DE202006020968U1 Dimmen von Leuchtmittelbetriebsgeräten auf vorab definierte Pegel Dimming of lamps and control gear on pre-defined level
04/21/2011DE112009001614T5 Entladungslampen-Vorschaltgerät-Apparat Discharge lamp ballast apparatus
04/21/2011DE102004016332B4 Entladungslampenstarter Discharge lamp starter
04/20/2011EP2312391A1 Projection display device and electronic device comprising a standby circuit.
04/20/2011EP2311300A1 High-voltage pulse generator and high-pressure discharge lamp having a high-voltage pulse generator
04/20/2011EP2311070A1 High-pressure discharge lamp
04/20/2011EP2311069A1 Quick-start for low-pressure mercury amalgam lamps
04/20/2011EP2140735B1 Circuit configuration for starting and operating at least one discharge lamp
04/20/2011CN201805610U Improved electronic ballast of high-voltage sodium lamp
04/20/2011CN201805609U Direct-current mercury lamp power supply based on BUCK circuit
04/20/2011CN201805608U 一种电子镇流器 An electronic ballast
04/20/2011CN201805607U Energy-saving lamp capable of regulating illumination intensity automatically
04/20/2011CN201805606U Super-compact drive circuit of electric energy-saving lamp
04/20/2011CN201805605U Switching transistor driving circuit
04/20/2011CN201805604U Profile electrical box
04/20/2011CN201805603U Novel ballast for illumination lamp
04/20/2011CN201805589U Video monitoring-based light dimming energy-saving system
04/20/2011CN201803232U Multistandard light source transferable lamp box
04/20/2011CN1905775B Ballast with circuit for detecting and eliminating an arc condition
04/20/2011CN1893758B Shutdown circuit
04/20/2011CN1613277B Circuit and operation method for a gas-discharge lamp
04/20/2011CN102027809A Lighting system and method for testing whether at least two gas discharge lamps to be operated by an evg are the same type
04/20/2011CN102027808A Method of driving a gas-discharge lamp
04/20/2011CN102026462A Mining area illumination energy-saving device and energy-saving method thereof
04/20/2011CN102026461A Automobile light control device
04/20/2011CN102026460A Method for controlling drive circuit of cold-cathode fluorescence lamp and control circuit
04/20/2011CN102026459A Drive circuit of cold-cathode fluorescence lamp
04/20/2011CN102026458A Driving apparatus of plane light source
04/20/2011CN102026457A Ballast of high-intensity discharge (HID) lamp
04/20/2011CN102026456A Electronic ballast and power supply unit
04/20/2011CN102026455A Lighting device and projector
04/20/2011CN102026454A High pressure discharge lamp lighting apparatus and projector
04/20/2011CN102024666A Low-frequency closed magnetic circuit high-efficiency straight tubular magnetic energy lamp
04/20/2011CN102024342A Intelligent stop sign
04/20/2011CN102023628A Household intelligent control system
04/20/2011CN101237739B HID rectifier and its control method
04/20/2011CN101227786B Voltage controlled dimming circuit of high voltage sodium lamp electronic ballast and operating method thereof
04/20/2011CN101227785B Timing dimming circuit of high voltage sodium lamp electronic ballast and operating method thereof
04/20/2011CN101175361B High pressure discharge lamp starter device and an automotive headlight device
04/20/2011CN101150037B Non internal electrode micro-Hg efficient long-life gas discharging lamp
04/20/2011CN101022691B Starting output current-limiting circuit for high-voltage sodium lamp electronic ballast
04/19/2011US7928664 Illumination systems
04/19/2011US7928663 Lighting dimmer adaptable to four wiring configurations
04/14/2011WO2011042250A1 Method for operating high-pressure discharge lamps
04/14/2011WO2011022116A3 Method of starting an hid lamp and ballast incorporating same
04/14/2011US20110085576 Smart linear pulsed laser diode driver, and method
04/14/2011US20110084991 Back-light control circuit of multi-lamps liquid crystal display
04/14/2011US20110084624 Light emitting device adapted for ac drive
04/14/2011US20110084623 Dimmer decoder with adjustable filter for use with led drivers
04/14/2011US20110084622 Dimmer decoder with low duty cycle handling for use with led drivers
04/14/2011DE102009048831A1 Verfahren zum Betreiben von Hochdruckentladungslampen The method for operating high pressure discharge lamps
04/14/2011DE102009048562A1 Verfahren zum Betreiben einer elektrodenlosen Entladungslampe A method for operating an electrodeless discharge lamp
04/13/2011EP2309828A2 Method for operating an electrode-free discharge lamp
04/13/2011EP2309827A1 Turning off multiple fluorescent lamps simultaneously using RF-enabled lamp starter units
04/13/2011EP2208400B1 Switchable current supply for auxiliary current circuits in a current converter
04/13/2011CN201797632U Intensive energy-saving lamp dimming control device
04/13/2011CN201797631U Dimmable electrodeless lamp adopting single light source
04/13/2011CN201797630U 灯源切换控制电路 Light source switching control circuit
04/13/2011CN1971838B DC fluorescent lamp
04/13/2011CN102017811A Voltage fed programmed start ballast
04/13/2011CN102017810A Method for operating a gas discharge lamp and lighting system comprising a gas discharge lamp
04/13/2011CN102017809A Method and circuit arrangement for operating at least one discharge lamp
04/13/2011CN102017808A Planar circuit for driving gas discharge lamps
04/13/2011CN102017805A Power control
04/13/2011CN102017378A Power converter, discharge lamp ballast and headlight ballast
04/13/2011CN102017062A Heat sink for integral HID reflector lamp
04/13/2011CN102014566A Electronic ballast and energy-saving lamp
04/13/2011CN101209001B Method of shutting down a high pressure discharge lamp and driving unit for driving a high pressure discharge lamp
04/13/2011CN101188897B A device for lighting electric light source via multi-channel output
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