Patents
Patents for H05B 41 - Circuit arrangements or apparatus for igniting or operating discharge lamps (35,100)
01/2013
01/29/2013CA2661625C High intensity discharge lamp lighting device and lighting fixture
01/24/2013WO2013012389A1 An electronic pl lamp
01/24/2013WO2013010782A2 Resonant converter control
01/24/2013WO2013010461A1 Self-oscillating inverter power supply having continuously variable output frequency, and constant current driver power supply
01/24/2013WO2013010459A1 Self-oscillating inverter power supply having variable output frequency slicing and power supply having variable output current
01/24/2013US20130020959 High intensity discharge lamp control circuit and control method
01/24/2013US20130020954 Discharge lamp system and controlling method of the same
01/24/2013US20130020953 Discharge lamp system and controlling method of the same
01/24/2013US20130020942 Method for operating an amalgam lamp
01/24/2013DE112010005479T5 Solarenergie-Zaunpfostenstruktur Solar energy fence post structure
01/23/2013EP2548418A2 Method and device for driving a gas discharge lamp
01/23/2013EP2548417A1 Electronic ballast for parallel lamp operation with program start
01/23/2013CN202697012U Human body pyroelectric infrared induction control circuit suitable for electrodeless lamp
01/23/2013CN202697011U Anti-interference light induction control circuit for electrodeless lamp
01/23/2013CN202697010U Remote control switch control circuit suitable for electrodeless lamp
01/23/2013CN202697009U Vehicle lamp
01/23/2013CN202697008U Integrated magnetics transformer for high frequency high voltage sodium lamp electronic ballast, and ballast
01/23/2013CN202697007U Automobile xenon lamp
01/23/2013CN202697006U Novel electronic ballast
01/23/2013CN202697005U 一种电子镇流器 An electronic ballast
01/23/2013CN202697004U Lighting device of lamp for front projector
01/23/2013CN202697003U Improved high intensity discharge (HID) ballast circuit
01/23/2013CN202697002U High intensity discharge (HID) ballast circuit
01/23/2013CN202697001U HID ballast
01/23/2013CN202697000U Improved inductance type ballast
01/23/2013CN202696999U 改进的电子镇流器 Improved electronic ballast
01/23/2013CN102893704A Method for operating a high-pressure discharge lamp on the basis of a low frequency square wave operation and a partially high frequency operation for arc stabilization and color mixing
01/23/2013CN102892247A Method and circuit for improving crest factor of gas discharge lamp
01/23/2013CN102892246A Discharge lamp system and control method thereof
01/23/2013CN102892245A Discharge lamp system and control method thereof
01/23/2013CN102892244A Power frequency measurement and control method for oxide preheated cathode fluorescent lamp
01/23/2013CN102892243A Power frequency configuration method for high-frequency preheated cathode fluorescent lamp
01/23/2013CN102892242A Packaging structure and process of electronic ballast
01/23/2013CN102891064A Amalgam temperature maintaining device for dimmable fluorescent lamps
01/23/2013CN101932181B Cold cathode fluorescent energy-saving lamp circuit
01/23/2013CN101578005B Lamp driving circuit
01/23/2013CN101518157B Ballast with frequency-diagnostic lamp fault protective circuit
01/23/2013CN101467496B High-pressure discharge lamp with an improved starting capability, as well as a high-voltage pulse generator
01/22/2013US8358089 Solid-state lighting of a white light with tunable color temperatures
01/22/2013US8358084 LED current control circuit, current balancer and driving apparatus
01/22/2013US8358082 Striking and open lamp regulation for CCFL controller
01/22/2013US8358078 Fluorescent lamp dimmer with multi-function integrated circuit
01/17/2013WO2013009234A1 A flash tube with an external triggering wire
01/17/2013WO2013007727A2 Electronic ballast for a lamp
01/17/2013WO2012158480A3 Determine a setting of a triac dimmer through induced relaxation oscillation
01/17/2013US20130016326 Lighting method and lighting apparatus for a high pressure discharge lamp, a high pressure discharge lamp apparatus, and a projection-type image display apparatus
01/17/2013US20130015780 Pwm dimming circuit
01/17/2013US20130015779 High intensity discharge ballast configured to accommodate wide range of input and output characteristics
01/17/2013US20130015778 Triode-type field emission device and method of manufacturing the same
01/17/2013US20130015769 Apparatus for driving fluorescent lamp
01/17/2013DE102011082245B3 Elektronisches Vorschaltgerät und Verfahren zum Betreiben einer Entladungslampe An electronic ballast and method for operating a discharge lamp
01/17/2013DE102011082239B3 Elektronisches Vorschaltgerät und Verfahren zum Betreiben einer Entladungslampe An electronic ballast and method for operating a discharge lamp
01/16/2013EP2547176A1 Resonant converter for a gas discharge lamp
01/16/2013EP2546967A1 A method for feeding light sources and related device
01/16/2013CN202679778U A metal halide lamp capable of intelligently converting power
01/16/2013CN202679777U An adjustable fluorescent lamp
01/16/2013CN202679776U Filament current control circuit of dimming electronic ballast
01/16/2013CN202679775U Energy-saving lamp control circuit
01/16/2013CN202679774U Large power energy-saving lamp control circuit
01/16/2013CN202679773U A grid lamp disc
01/16/2013CN202679772U A grid lamp disc fluorescent lamp
01/16/2013CN202679771U Novel low-frequency electrodeless lamp
01/16/2013CN202679770U Inverter boost pulse laser power supply
01/16/2013CN202679769U Ballast, auxiliary igniting circuit thereof and light fixture
01/16/2013CN202679768U High-efficiency electronic rectifier
01/16/2013CN202679767U Electronic ballast for electrodeless lamp
01/16/2013CN202675229U Waterproof ballast
01/16/2013CN102884866A Resonance circuitry for a field emission lighting arrangement
01/16/2013CN102883514A Illumination equipment comprising fluorescent tube and driving method thereof
01/16/2013CN102883513A 电子镇流器保护电路和电子镇流器 Electronic ballast protection circuit and electronic ballasts
01/16/2013CN101778523B Electronic ballast used for controlling load circuit of fluorescent lamp and control method thereof
01/16/2013CN101720158B Fluorescent lamp starting and scanning control circuit
01/16/2013CN101662861B Adaptive automatic dimming photoelectric device
01/16/2013CN101578925B Universal electronic ballast for operating hg-free and hg-containing discharge lamps
01/16/2013CN101444146B Safety starter device
01/16/2013CN101341802B Method and circuit for driving a gas discharge lamp
01/15/2013US8354799 Bypass circuitry for serially coupled light emitting diodes and associated methods of operation
01/15/2013US8354797 Circuit arrangement for operating a series circuit of at least two low-pressure gas-discharge lamps, and a corresponding method
01/15/2013CA2692941C Dual access luminaire junction box
01/10/2013WO2013004810A1 Electronic ballast having adaptive dead time control, for a lamp
01/10/2013WO2012156892A3 System and method for ignition and operation of a high intensity discharge lamp
01/10/2013US20130009570 Metal halide lamps with fast run-up and methods of operating the same
01/10/2013US20130009565 Electronic ballast for parallel lamp operation with program start
01/10/2013US20130009563 Resonance circuitry for a field emission lighting arrangement
01/10/2013US20130009562 Method and device for driving a gas discharge lamp
01/10/2013US20130009548 Lighting apparatus for fluorescent tube and driving method therefor
01/09/2013EP2544513A1 Method for controlling the output power of a gas discharge lamp and an electronic ballast
01/09/2013EP2543238A1 Parallel-connected ballast circuits
01/09/2013CN202663638U Voltage stabilized fluorescent lamp drive circuit
01/09/2013CN202663637U Pulse xenon lamp controller
01/09/2013CN202663636U Electrodeless lamp with novel electronic ballast
01/09/2013CN202663635U Active power factor correcting circuit in electronic ballast of electrodeless lamp
01/09/2013CN202663634U Half-bridge inverter circuit in electrodeless lamp electronic ballast
01/09/2013CN202663633U High-voltage converting circuit for electrodeless lamp
01/09/2013CN202663632U Electrodeless lamp circuit for high-voltage power supply
01/09/2013CN202663631U Novel electronic ballast circuit
01/09/2013CN202663630U Consumption reduction circuit applicable to H1 type of xenon lamp
01/09/2013CN202663629U Novel electrodeless lamp electric box
01/09/2013CN202663628U Electric appliance box of electrodeless lamp
01/09/2013CN202663624U Universal acousto-optic control circuit
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