| Patents for H05B 41 - Circuit arrangements or apparatus for igniting or operating discharge lamps (35,100) |
|---|
| 05/03/2007 | WO2007049358A1 Method and apparatus for operating very high pressure short arc discharge lamps |
| 05/03/2007 | WO2007049083A1 Compact fluorescent lamp |
| 05/03/2007 | WO2007048199A1 Remote dimmable energy-saving device for fluorescent lamps |
| 05/03/2007 | WO2007004190A3 Energy efficient fluorescent lamp |
| 05/03/2007 | WO2006136993A3 Method of shutting down a high pressure discharge lamp and driving unit for driving a high pressure discharge lamp |
| 05/03/2007 | US20070100571 Control system and lighting control system |
| 05/03/2007 | US20070097071 Backlight unit for liquid crystal display |
| 05/03/2007 | US20070097070 Multi-light driving device, LCD with multi-light driving device and method for driving LCD |
| 05/03/2007 | US20070096662 Ballast control circuit |
| 05/03/2007 | DE102005052555A1 Pulsed igniting device for high-pressure discharge lamp has switching arrangement, charge storage arrangement, piezoelectric ignition transformer for producing ignition voltage required to ignite gas discharge |
| 05/03/2007 | CA2625829A1 Compact fluorescent lamp |
| 05/02/2007 | EP1779709A1 Apparatus and method for eliminating electric arc |
| 05/02/2007 | CN2896791Y Controller of electronic stabilizer of double lamp-tube high-pressure gas discharge lamp |
| 05/02/2007 | CN2896790Y Lamp-tube current control device of LCD back-light source |
| 05/02/2007 | CN2896789Y Cold-cathode-tube starting circuit |
| 05/02/2007 | CN2896788Y Current homogenizing device for cold-cathode fluorescent lamp or (CCFL) xenon lamp (HID) |
| 05/02/2007 | CN2896787Y High-performance xenon lamp dc. power supply |
| 05/02/2007 | CN2896786Y Electronic ballast for HID lamp |
| 05/02/2007 | CN2896609Y U-type lamp-tube connection type electronic rectifier lamp seat |
| 05/02/2007 | CN1956617A Circuit and method for detecting the amplitude factor of a lamp current or a lamp voltage |
| 05/02/2007 | CN1956616A Illumining device for discharge lamp |
| 05/02/2007 | CN1956615A Drive device and method of discharge lamp |
| 05/02/2007 | CN1955789A Cold-cathode fluorescent lamp balance control circuit |
| 05/02/2007 | CN1314298C Device and method for testing panel display |
| 05/02/2007 | CN1313998C Display device and method |
| 05/01/2007 | US7212414 Adaptive inductive power supply |
| 05/01/2007 | US7212046 Power-up signal generating apparatus |
| 05/01/2007 | US7211970 Discharge lamp lighting device and lighting unit |
| 05/01/2007 | US7211966 Fluorescent ballast controller IC |
| 05/01/2007 | US7211965 High intensity discharge lamp with current sense resistor |
| 05/01/2007 | US7211962 Planar light source device, method of driving the same and display apparatus having the same |
| 04/28/2007 | CA2566175A1 Energy saving device for public lighting system and method thereof |
| 04/26/2007 | WO2007045604A1 Electronic ballast device and method for operating an electric lamp |
| 04/26/2007 | WO2007045599A1 Method for operating a gas discharge lamp |
| 04/26/2007 | US20070093165 Cold-cathode tube lighting device for use in a plurality of cold-cathode tubes lit by one low-impedance power source |
| 04/26/2007 | US20070090822 Electronic ballast with lamp type determination |
| 04/26/2007 | US20070090777 Lamp driving apparatus, backlight assembly and liquid crystal display device using the same |
| 04/26/2007 | US20070090776 Single-channel comprehensive protection circuit |
| 04/26/2007 | US20070090775 Dimming ballast control circuit |
| 04/26/2007 | US20070090774 Discharge lamp driving device and driving method |
| 04/26/2007 | US20070090773 Discharge lamp lighting circuit with an open protection circuit |
| 04/26/2007 | US20070090772 Balance controlling circuit |
| 04/26/2007 | US20070090771 Electronic stabilizer used for hand-held lamp |
| 04/26/2007 | US20070090770 Step sinusoidal voltage controlling method for hid, flourescent and incandescent light dimming applications |
| 04/26/2007 | US20070090768 Lighting device for a discharge lamp |
| 04/26/2007 | US20070090767 Lighting system with multi-ballast AC-to-DC converter |
| 04/26/2007 | DE202006019236U1 Steuer- und Schutzschaltung für den elektronischen Treiber einer HID-Lampe Control and protection circuit for the electronic driving an HID lamp |
| 04/26/2007 | DE102005051568A1 Dimmable electronic high frequency pre-switching unit with a high power factor and low current oscillation operates a high-pressure discharge lamp and has rectifier, filters, generator, chokes and switches |
| 04/26/2007 | DE10016743B4 Steuervorrichtung zur Verbesserung der Anlaufzeitcharakteristik einer Lichtquelle Control apparatus for improving the start-up time characteristic of a light source |
| 04/26/2007 | CA2625335A1 Electronic ballast device and method for operating an electric lamp |
| 04/26/2007 | CA2625059A1 Method for operating a gas discharge lamp |
| 04/25/2007 | EP1777995A2 Power supply for discharge lamp and its control structure |
| 04/25/2007 | EP1776848A1 Method and circuit arrangement for operating a discharge lamp |
| 04/25/2007 | EP1776847A2 Intelligent drive circuit for a light emitting diode (led) light engine |
| 04/25/2007 | EP1776318A1 Supply device for ultraviolet lamps used in the treatment of water |
| 04/25/2007 | CN2894195Y DC electronic fluorescent lamp igniting device |
| 04/25/2007 | CN2894194Y Special electric source device for hydrogen gas filled thyratron filament |
| 04/25/2007 | CN2894193Y DC fluorescent lamp electronic inverter |
| 04/25/2007 | CN2894073Y Resonant type trigger circuit and electronic ballast |
| 04/25/2007 | CN1954646A High pressure discharge lamp operation device and operation method |
| 04/25/2007 | CN1953633A High-pressure lamp and associated system and method for the resonant operation of high-pressure lamps in longitudinal mode |
| 04/25/2007 | CN1953632A Opening protective circuit |
| 04/25/2007 | CN1953631A A DC/AC power supply device for the backlight application of cold-cathode fluorescent lamp |
| 04/25/2007 | CN1953630A Device and method for driving discharge lamp |
| 04/25/2007 | CN1953629A Lamp current balancing topologies |
| 04/25/2007 | CN1312964C Ballast circuit for operating a discharge lamp |
| 04/25/2007 | CN1312833C D.C. Voltage conversion electric appliance |
| 04/24/2007 | US7208886 Apparatus for driving cold cathode fluorescent lamps |
| 04/24/2007 | US7208885 Dimming control method and lighting system with dimming control |
| 04/24/2007 | US7208884 Discharge lamp lighting circuit with an open protection circuit |
| 04/24/2007 | US7208882 Lighting device for discharge lamp |
| 04/24/2007 | US7208880 Vehicular lamp |
| 04/24/2007 | US7208879 Lighting apparatus for discharge lamp |
| 04/19/2007 | WO2007044948A2 Dimmable ballast control integrated circuit |
| 04/19/2007 | WO2007043409A1 Electronic ballast for discharge lamp, lighting fixture employing that electronic ballast, and lighting system equipped with that lighting fixture |
| 04/19/2007 | WO2007043167A1 Illuminating device comprising flat discharge tube |
| 04/19/2007 | WO2006102355A3 Single-stage digital power converter for driving leds |
| 04/19/2007 | US20070085493 Lamp current balancing topologies |
| 04/19/2007 | US20070085492 Matrix inverter for driving multiple discharge lamps |
| 04/19/2007 | US20070085491 Discharge lamp lighting apparatus |
| 04/19/2007 | US20070085490 Middle output electrodeless lighting system |
| 04/19/2007 | US20070085489 Switched constant current driving and control circuit |
| 04/19/2007 | US20070085488 Dimmable ballast control integrated circuit |
| 04/19/2007 | US20070085487 Inductively Coupled Ballast Circuit |
| 04/19/2007 | DE102005049583A1 Elektronisches Vorschaltgerät und Verfahren zum Betreiben einer elektrischen Lampe An electronic ballast and method for operating an electric lamp |
| 04/19/2007 | DE102005049582A1 Verfahren zum Betreiben einer Gasentladungslampe A method of operating a gas discharge lamp |
| 04/19/2007 | DE102005048550A1 Adapter for fluorescent lamp with cold start has control circuit for inverter with integrated circuit with control input to timing capacitor that receives charging current and whose voltage controls lamp preheating, ignition and burn modes |
| 04/19/2007 | DE10006466B4 Vorschaltgerät für eine Hochdruck-Gasentladungslampe Ballast for a high-pressure gas discharge lamp |
| 04/18/2007 | EP1776000A2 8-Pin PFC and ballast control IC |
| 04/18/2007 | EP1775999A2 Discharge lamp lighting apparatus |
| 04/18/2007 | EP1774553A1 Pull out air gap switch for wallbox-mounted dimmer |
| 04/18/2007 | EP1307791B1 Circuit arrangement |
| 04/18/2007 | CN2891582Y Multi-tube current control device for LCD backlight source |
| 04/18/2007 | CN2891581Y Electronic ballast with temperature adaptation function for gas discharge lamp |
| 04/18/2007 | CN2891580Y Electronic ballast for metal halide lamp |
| 04/18/2007 | CN2891579Y Removable combined electronic ballast assembly |
| 04/18/2007 | CN2891576Y Lamp driver with switch power supply and lamp |
| 04/18/2007 | CN2890608Y Cold cathode fluorescent energy-saving reflection lamp |
| 04/18/2007 | CN1951158A Method and circuit arrangement for the operation of a discharge lamp |
| 04/18/2007 | CN1949949A LED lamp light wireless controlling system |