| Patents for H05B 41 - Circuit arrangements or apparatus for igniting or operating discharge lamps (35,100) |
|---|
| 10/03/2007 | CN101048024A High pressure sodium lamp circuit |
| 10/03/2007 | CN101047100A Planar fluorescent tube and its driving method |
| 10/03/2007 | CN101046601A Image display apparatus |
| 10/03/2007 | CN100341385C Driving discharge luminous tube and light changes controller thereof |
| 10/03/2007 | CN100341384C Invertor for liquid crystal display screen back light source |
| 10/03/2007 | CN100341240C Controllable inductance of AC field magnetic amplifier and its application |
| 10/02/2007 | US7277106 Scanning apparatus having a fluorescent lamp and control method thereof |
| 10/02/2007 | US7276863 LED array driving apparatus and backlight driving apparatus using the same |
| 10/02/2007 | US7276860 Electrodeless lighting system |
| 10/02/2007 | US7276857 Methods and apparatus for an improved amplifier for driving a non-linear load |
| 09/27/2007 | WO2007107447A1 Switch-off time regulator for an inverter for driving a lamp |
| 09/27/2007 | US20070222400 Method and apparatus for equalizing current in a fluorescent lamp array |
| 09/27/2007 | US20070222398 High efficiency electronic ballast for metal halide lamp |
| 09/27/2007 | US20070222397 Hybrid electroluminescent devices |
| 09/27/2007 | US20070222396 Lamp drive device of projector |
| 09/27/2007 | US20070222395 Switching Regulator for Fixing a Frequency |
| 09/27/2007 | US20070222392 Circuit Arrangement |
| 09/27/2007 | DE102007012077A1 Starting and operation device for high pressure discharge lamp, has condenser with step-up transformer and switching component with step-down controller which remain switched on and device is equipped with measuring circuit |
| 09/27/2007 | DE102007002914A1 Schaltung zur Anpassung des Lampenstroms einer Anzahl von kaltkathodischen Fluoreszenzlampen Circuit for matching of the lamp current of a number of fluorescent lamps kaltkathodischen |
| 09/27/2007 | DE102006010703A1 Circuit arrangement for controlling of additional output of high intensity gas discharge lamp has controlled switch element and in one position of switch element control voltage corresponds against voltage at capacitor |
| 09/27/2007 | CA2643939A1 Switch-off time regulation for an inverter for driving a lamp |
| 09/26/2007 | EP1838139A2 Lamp drive device of projector |
| 09/26/2007 | EP1836885A2 Lighting assembly and method of operating a discharge lamp |
| 09/26/2007 | EP1836884A1 A method of and a monitoring arrangement for monitoring the mercury condensation in an arc tube |
| 09/26/2007 | EP1836883A1 A method and an operation controller for operation of a mercury vapour discharge lamp in an image rendering system |
| 09/26/2007 | EP1836882A1 Electronic ballast |
| 09/26/2007 | CN200953680Y Multi-functional electronic ballast |
| 09/26/2007 | CN200953679Y High frequency metal haloid light electronic ballast |
| 09/26/2007 | CN200953678Y New type miner light |
| 09/26/2007 | CN200953677Y Multiplex drived LED lighting light |
| 09/26/2007 | CN200952681Y Straight tube cold-cathode fluorescent lamp |
| 09/26/2007 | CN200952663Y Integrated lamp |
| 09/26/2007 | CN101044800A Dimmable lighting system |
| 09/26/2007 | CN101044799A Method and arrangement for monitoring a gas discharge lamp |
| 09/26/2007 | CN101044798A Modulation of a PFC during DC operation |
| 09/26/2007 | CN101044664A Vehicle interface |
| 09/26/2007 | CN101043783A Circuit component for controlling a plurality of light-emitting devices to lighting in a sequence |
| 09/26/2007 | CN101043782A High-voltage gas discharge lamp voltage sampling and protective circuit |
| 09/26/2007 | CN101043781A Metal halide lamp electronic ballast |
| 09/26/2007 | CN101043780A Road lamp electricity-saving method and electricity-saving device |
| 09/26/2007 | CN101042957A Voltage transformer capable of adjusting leakage inductance and Electric lamp drive apparatus using same |
| 09/26/2007 | CN100340138C High pressure gas discharge lamp electronic ballast system of power line carrier monitoring |
| 09/26/2007 | CN100339760C Electronic circuit and image projector for operating high-strength discharge lamp |
| 09/26/2007 | CN100339750C Back lighting device, its driving method, and liquid crystal display with said device |
| 09/25/2007 | US7274172 Drive state detection circuit |
| 09/25/2007 | US7274156 Power supply circuit and transformer thereof |
| 09/25/2007 | US7274155 Flash lamp drive circuit |
| 09/25/2007 | US7274154 CFL ballast with passive valley fill and crest factor control |
| 09/25/2007 | US7274153 Portable fluorescent drop-light |
| 09/25/2007 | US7274152 Rare gas fluorescent lamp lighting apparatus |
| 09/25/2007 | US7274149 Lamp with integral pulse width modulated voltage control circuit |
| 09/25/2007 | US7274148 Lamp having fixed forward phase switching power supply with time-based triggering |
| 09/25/2007 | US7273284 Image projector with intensity-controlled light source |
| 09/25/2007 | CA2180387C Method and arrangement for operating electric lamps in response to anomalous states |
| 09/20/2007 | WO2007106043A1 Integrated hid ballast system |
| 09/20/2007 | WO2007105748A1 Discharge lamp lighting device, lighting system and method |
| 09/20/2007 | WO2007105374A1 Lighting apparatus for dielectric barrier discharge lamp |
| 09/20/2007 | WO2007105339A1 High voltage generation transformer for discharge lamp lighting device |
| 09/20/2007 | WO2007104666A1 Regulated ballast for a lamp |
| 09/20/2007 | WO2007072265A3 Method and circuit for driving a gas discharge lamp |
| 09/20/2007 | US20070217240 Frequency Feedforward For Constant Light Output In Backlight Inverters |
| 09/20/2007 | US20070216615 Light emitting element driving apparatus, method of driving a light emitting element and computer readable recording medium |
| 09/20/2007 | US20070216321 Electronic Ballast with Life-Ended Protection |
| 09/20/2007 | US20070216319 High efficiency single stage bidirectional converter |
| 09/20/2007 | DE102006011970A1 Geregeltes Vorschaltgerät für eine Lampe Controlled ballast for a lamp |
| 09/19/2007 | EP1834513A2 Method of controlling cathode voltage with low lamp's arc current |
| 09/19/2007 | CN200950693Y Ultra-thin high-performance one-driving-two vehicle xenon lamp stabilizer |
| 09/19/2007 | CN200950692Y Electric ballast for high-voltage gas discharge lamp |
| 09/19/2007 | CN200950691Y Split type vehicle xenon lamp stabilizer |
| 09/19/2007 | CN200950690Y Full protection high-efficiency electronic energy saving road lamp |
| 09/19/2007 | CN200950689Y Stage LED driving integrated circuit |
| 09/19/2007 | CN200950688Y Service life protective circuit for electronic ballast |
| 09/19/2007 | CN200950514Y Plug-in horizontally electronic ballast florescent lamp holder |
| 09/19/2007 | CN200950433Y Small power electromagnetic induction lamp |
| 09/19/2007 | CN101039542A Novel lamp tube driver and related backlight module |
| 09/18/2007 | US7272022 DC-AC converter and method of supplying AC power |
| 09/18/2007 | US7271691 Method of winding coil and transformer and inverter liquid crystal display having coil wound using the same |
| 09/18/2007 | US7271552 Ballast circuit for operating a gas discharge lamp |
| 09/18/2007 | US7271550 Dimmer circuit arrangement |
| 09/18/2007 | US7271549 Current balancing circuit for a multi-lamp system |
| 09/18/2007 | US7271548 Multi-lamp drivers and transformers thereof |
| 09/18/2007 | US7271547 High-pressure discharge lamp having a pulse starting device, and operating method for a high pressure discharge lamp |
| 09/18/2007 | US7271546 Lighting device for dielectric barrier discharge lamp |
| 09/18/2007 | US7271544 Lighting apparatus for illumination light source |
| 09/18/2007 | US7270790 Sterilizer monitoring and controlling system and method |
| 09/17/2007 | CA2540232A1 Timer activated, individual operation dimming control for hid ballasts |
| 09/13/2007 | WO2007101835A1 Circuit arrangement for operating a load and method for operating a load |
| 09/13/2007 | WO2007101830A1 Electronic ballast and method for operating an electrical lamp |
| 09/13/2007 | WO2007052219A3 Configurable ballast |
| 09/13/2007 | US20070211499 DC-AC Converter and Controller IC Therefor |
| 09/13/2007 | US20070210889 Inductively powered apparatus |
| 09/13/2007 | US20070210726 Current limiting circuit |
| 09/13/2007 | US20070210723 Discharge lamp lighting apparatus, luminaire and illumination system |
| 09/13/2007 | DE202007009820U1 Magnetisches Vorschaltgerät Magnetic ballast |
| 09/13/2007 | DE102006010998A1 Schaltungsanordnung zum Betreiben eines Verbrauchers und Verfahren zum Betreiben eines Verbrauchers Circuit arrangement for operating a load, and method of operating a consumer |
| 09/13/2007 | DE102006010996A1 Elektronisches Vorschaltgerät und Verfahren zum Betreiben einer elektrischen Lampe An electronic ballast and method for operating an electric lamp |
| 09/13/2007 | CA2643683A1 Electronic ballast and method for operating an electrical lamp |
| 09/12/2007 | EP1833283A1 Multuple-light discharge lamp lighting device |
| 09/12/2007 | EP1833282A1 Electronic cut-in unit and operating method for a gas discharge lamp |
| 09/12/2007 | EP1516518B1 Circuit having a second ac/dc converter |