| Patents for H05B 41 - Circuit arrangements or apparatus for igniting or operating discharge lamps (35,100) |
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| 06/19/2013 | CN203015249U Four-wire stabilizer |
| 06/19/2013 | CN203015248U Shell of stabilizer |
| 06/19/2013 | CN1787708B Method for central controlling lamplight and system thereof |
| 06/19/2013 | CN103168340A A magnetron powered lamp |
| 06/19/2013 | CN103167714A Adaptive xenon HID (high intensity discharge) lamp brightness control method and brightness control module for implementing same |
| 06/19/2013 | CN103167713A Variable power economizer used for adjusting light of street lamp |
| 06/19/2013 | CN103167712A Light-adjusting drive circuit of high-pressure gas discharge lamp |
| 06/19/2013 | CN103167711A Electronic ballast |
| 06/19/2013 | CN103167710A Self-excited open circuit and short circuit protection circuit for electromagnetic induction lamp |
| 06/19/2013 | CN103167709A Energy-saving electronic ballast for fluorescent lamp |
| 06/19/2013 | CN103167708A Fluorescent lamp electronic starter manufactured by using timer |
| 06/19/2013 | CN103167707A Mine operation power failure emergency lighting circuit |
| 06/19/2013 | CN101843175B Circuit with improved efficiency and crest factor for current fed bipolar junction transistor (BJT) based electronic ballast |
| 06/19/2013 | CN101843174B Starting fluorescent lamps with a voltage fed inverter |
| 06/19/2013 | CN101795524B Compact bracket lamp |
| 06/19/2013 | CN101669409B Display device illuminating apparatus and display device |
| 06/19/2013 | CN101652014B 电子镇流器 Electronic Ballast |
| 06/19/2013 | CN101637067B Circuit configuration for controlling at least one fluorescent lamp |
| 06/19/2013 | CN101555999B Inductively powered lamp assembly |
| 06/18/2013 | US8466630 Discharge lamp lighting apparatus |
| 06/18/2013 | US8466618 Discharge lamp and discharge lamp device |
| 06/13/2013 | WO2013084747A1 Light source device and control method for light source device |
| 06/13/2013 | WO2013083357A1 Circuit arrangement for igniting and operating a discharge lamp |
| 06/13/2013 | WO2013082746A1 Step-dimming solution for lamp ballast |
| 06/13/2013 | US20130147357 Systems and methods for controlling brightness of cold-cathode fluorescent lamps with wide dimming range and adjustable minimum brightness |
| 06/13/2013 | CA2857535A1 Step-dimming solution for lamp ballast |
| 06/12/2013 | EP2602774A1 An alarm for generating flash events |
| 06/12/2013 | CN202998632U Electronic ballast of dimming energy saving lamp |
| 06/12/2013 | CN202998631U Improved high voltage gas discharge lamp starting system |
| 06/12/2013 | CN202998630U Dimmable cold cathode energy saving lamp circuit |
| 06/12/2013 | CN202998629U High-performance spectroscopic lamp device of rubidium atom frequency marker |
| 06/12/2013 | CN202998628U Intelligent UV power supply |
| 06/12/2013 | CN202998627U High-power high-pressure gas discharge lamp ballast |
| 06/12/2013 | CN103155715A Load balance circuit |
| 06/12/2013 | CN103152969A Dimming ballast |
| 06/12/2013 | CN103152968A Electronic high intensity discharge (HID) ballast with self diagnosis and remote monitoring functions |
| 06/12/2013 | CN103152967A High-efficiency electronic type ballast with fluorescent lamp |
| 06/12/2013 | CN103152966A Method for use of alternating current and direct current dual-purpose ballast for WH100T |
| 06/12/2013 | CN103152965A HID stabilizer power supply feedback circuit |
| 06/12/2013 | CN103152964A HID (high-intensity-discharge) stabilizer power supply signal independent control device |
| 06/12/2013 | CN103152963A Alternating current/direct current combination device for realizing stabilizer by two channels |
| 06/12/2013 | CN103152962A Alternating current and direct current mixed use of ballast by relay |
| 06/12/2013 | CN103152961A Vehicle use variable power high intensity discharge (HID) ballast resistor capable of improving light source steady state illumination reasonably |
| 06/12/2013 | CN103152960A Plasma electro-magnetic inductive electrode-less lamp |
| 06/12/2013 | CN103152959A UV (ultraviolet) lamp power supply circuit |
| 06/12/2013 | CN103152958A HID (high-intensity-discharge) lamp high-frequency driving circuit |
| 06/12/2013 | CN101711084B Control method of multi-path oscillator circuits and ballast with multi-path oscillator circuits |
| 06/12/2013 | CN101658072B Circuit arrangement for igniting and operating a discharge lamp |
| 06/12/2013 | CN101563960B Circuit arrangement and method for operating a high-pressure discharge lamp |
| 06/12/2013 | CN101529990B Display device and luminance control method |
| 06/12/2013 | CN101208998B Method and device for dimming lighting control devices to a predefined level |
| 06/12/2013 | CN101163363B Electronic ballast for high voltage sodium lamp |
| 06/11/2013 | US8461780 Method for driving a PTC electrical load element |
| 06/11/2013 | US8461778 Controlling intensity of a light through qualified motion sensing |
| 06/11/2013 | US8461772 High pressure discharge lamp ballast and light source apparatus |
| 06/11/2013 | US8461768 Transmitter and information processing device converting supply voltage to drive voltage |
| 06/11/2013 | US8459812 Electrical device with actuator support and viewing window |
| 06/11/2013 | US8459802 High-pressure discharge lamp lighting device with current control, high-pressure discharge lamp device using same, projector using said high-pressure discharge lamp device, and high-pressure discharge lamp lighting method with current control |
| 06/06/2013 | WO2013080118A1 Method of calibrating a system comprising a gas-discharge lamp and a cooling arrangement |
| 06/06/2013 | WO2013080076A1 Improved spot mode operation for a discharge lamp |
| 06/06/2013 | WO2013079243A1 Circuit for actuating an illumination component |
| 06/06/2013 | US20130141005 Electronic device and control method therefor |
| 06/06/2013 | US20130140996 Solar powered light assembly to produce light of varying colors |
| 06/06/2013 | DE102011087703A1 Schaltungsanordnung zum Zünden und Betrieb einer Entladungslampe A circuit arrangement for igniting and operating a discharge lamp |
| 06/06/2013 | DE102010030134B4 Ermittlung der Totzeit bei der Ansteuerung einer Halbbrücke Measuring delay time in driving a half-bridge |
| 06/05/2013 | CN202979440U Radio frequency type efficient high pressure gas discharge lamp |
| 06/05/2013 | CN202979439U ADAM control circuit suitable for electrodeless lamp |
| 06/05/2013 | CN202979438U Fluorescent lamp electronic ballast adopting frequency modulation and dimming |
| 06/05/2013 | CN202979437U Protector of capacitance failure judging and single-lamp energy-saving controller of high-voltage sodium lamp |
| 06/05/2013 | CN202979436U Novel low pressure sodium lamp ballast circuit |
| 06/05/2013 | CN202979435U 脉冲氙灯光源装置 Pulsed xenon light source device |
| 06/05/2013 | CN202979434U Ion jet lamp |
| 06/05/2013 | CN202979433U Xenon lamp power supply for instrument |
| 06/05/2013 | CN202979432U High-frequency generator and electrodeless lamp ballast |
| 06/05/2013 | CN202979431U Electronic ballast switch circuit |
| 06/05/2013 | CN202979430U Electronic ballast for miniwatt low power factor separate excitation metal halide lamp |
| 06/05/2013 | CN202979429U Self-adaptive non-radiative energy-saving ballast for fluorescent lamps |
| 06/05/2013 | CN103141161A Control/adjusting device for a gas discharge lamp of a motor vehicle headlight |
| 06/05/2013 | CN103140002A Light-adjustable electrodeless lamp ballast |
| 06/05/2013 | CN103140001A Eye-protection lamp frequency control circuit |
| 06/05/2013 | CN103140000A Light source device and projector |
| 06/05/2013 | CN103139999A 一种电子镇流器 An electronic ballast |
| 06/05/2013 | CN103139998A Lighting protection circuit |
| 06/05/2013 | CN103139997A Self-excitation piezoelectric ceramic electronic rectifier |
| 06/05/2013 | CN103139996A Multi-path row-line extension socket type fluorescent lamp electronic ballast |
| 06/05/2013 | CN102149245B Electronic ballast of efficient and light-adjustable gas discharge lamp |
| 06/05/2013 | CN102056383B Multi-light tube driving system |
| 06/05/2013 | CN101945523B Starting circuit for ballast of electrodeless lamp |
| 06/05/2013 | CN101690410B Metal halide lamp ballast controlled by remote enable switched bias supply |
| 06/05/2013 | CN101662874B Driving circuit and driving method for discharge lamp |
| 06/05/2013 | CN101584251B Evaluation device for the ignition energy of a discharge lamp |
| 06/05/2013 | CN101553068B Method and apparatus for controlling simple controllable sequential pulse type igniting circuit |
| 06/04/2013 | US8456099 Method for operating a gas discharge lamp |
| 06/04/2013 | US8456095 Reduced flicker AC LED lamp with separately shortable sections of an LED string |
| 06/04/2013 | US8456091 Method and apparatus for maintaining constant color temperature of a fluorescent lamp |
| 05/30/2013 | WO2013077996A1 Starting circuit for buck converter |
| 05/30/2013 | WO2013076174A1 Hf system for a high-frequency lamp |
| 05/30/2013 | WO2013075276A1 Device to preheat filaments in a lighting device |
| 05/30/2013 | US20130134882 Universal-Voltage Self-Heating Thermal Detector |
| 05/30/2013 | CA2854589A1 Rf system for a radio-frequency lamp |