| Patents for H05B 41 - Circuit arrangements or apparatus for igniting or operating discharge lamps (35,100) |
|---|
| 03/19/2008 | CN101146392A Electronic cut-in unit with asymmetrical inverter actuation |
| 03/19/2008 | CN101146391A Lamp cover cold cathode decoration lamp |
| 03/19/2008 | CN101146390A CCFL inverter with single transistor |
| 03/19/2008 | CN101146389A Current balance circuit for discharge tube |
| 03/19/2008 | CN101146385A Lamp control device |
| 03/19/2008 | CN101145471A Relay for radio circuit and electronic ballast employing the relay |
| 03/19/2008 | CN101144923A Backlight module group drive control device and drive control method |
| 03/18/2008 | US7345434 Discharge lamp lighting apparatus and luminaire |
| 03/18/2008 | US7345432 Inverter circuit for lighting backlight of liquid crystal display and method for driving the same |
| 03/18/2008 | US7345431 Circuit structure for driving a plurality of cold cathode flourescent lamps |
| 03/18/2008 | US7345423 Assembly of a fluorescent lamp and an extension means |
| 03/13/2008 | WO2008030751A2 Using pulse density modulation for controlling dimmable electronic lighting ballasts |
| 03/13/2008 | WO2008029655A1 Discharge lamp operation device and illumination device |
| 03/13/2008 | WO2008029445A1 Discharge lamp lighting apparatus |
| 03/13/2008 | WO2008029344A1 Lamp driver circuit and method for driving a discharge lamp |
| 03/13/2008 | WO2008029108A1 Variable load circuits for use with lighting control devices |
| 03/13/2008 | US20080063404 Transmitting Device for Free-Space Optical Transmission |
| 03/13/2008 | US20080062680 Lighting device with leds |
| 03/13/2008 | US20080061715 Electronic controller for high-power gas discharging lamp |
| 03/13/2008 | US20080061713 Circuit of the electronic ballast with the capability of automatic restart |
| 03/13/2008 | US20080061712 Uniform Back-Lighting Device And Display Device Therewith |
| 03/13/2008 | US20080061711 Balancing transformers for multi-lamp operation |
| 03/13/2008 | US20080061710 Current balancing circuit |
| 03/13/2008 | US20080061709 Inverter circuit and backlight assembly having the same |
| 03/13/2008 | US20080061708 System and method for driving a multi-lamp |
| 03/13/2008 | US20080061707 Discharge lamp lighting circuit |
| 03/13/2008 | US20080061705 Ccfl inverter with single transistor |
| 03/13/2008 | DE102007040383A1 Entladungslampen-Zündschaltung Discharge lamp lighting circuit |
| 03/13/2008 | DE102006040026A1 Transformator zur Stromsymmetrierung Transformer for current sharing |
| 03/13/2008 | CA2661372A1 Variable load circuits for use with lighting control devices |
| 03/12/2008 | EP1897421A1 Device for managing and controlling power supply of an electric apparatus, particularly a gas lamp |
| 03/12/2008 | EP1897420A1 High pressure lamp with lamp flicker suppression and lamp voltage control |
| 03/12/2008 | EP1897419A2 Dimmer having a microprocessor-controlled power supply |
| 03/12/2008 | EP1897418A2 Method for driving an inverter of a gas discharge supply circuit |
| 03/12/2008 | EP1897417A2 Method of shutting down a high pressure discharge lamp and driving unit for driving a high pressure discharge lamp |
| 03/12/2008 | EP1897116A2 Gas-discharge lamp and method of manufacturing a gas-discharge lamp |
| 03/12/2008 | EP1709503A4 Ballast protecting device |
| 03/12/2008 | EP1698214B1 Method and circuit arrangement for operating a discharge lamp |
| 03/12/2008 | CN201034304Y Ballast fixing structure on fluorescent lighting fixture |
| 03/12/2008 | CN101141844A Integrated circuit controller of stabilizer |
| 03/12/2008 | CN101141843A Method of controlling output power of electronic ballast and electronic ballast thereof |
| 03/12/2008 | CN101141842A 电子镇流器 Electronic Ballast |
| 03/12/2008 | CN101140849A Ccfl device with a solid heat-dissipation means |
| 03/12/2008 | CN100375581C High efficiency high power factor electronic ballast |
| 03/11/2008 | US7342476 Leakage transformer |
| 03/11/2008 | US7342363 Methods and apparatus for an improved amplifier for driving a dynamic load |
| 03/11/2008 | US7342360 Flashlight |
| 03/06/2008 | WO2008026508A1 Light source driving circuit, light source component provided with the light source driving circuit, and display apparatus |
| 03/06/2008 | US20080054826 Protection for external electrode fluorescent lamp system |
| 03/06/2008 | US20080054825 Using Pulse Density Modulation for Controlling Dimmable Electronic Lighting Ballasts |
| 03/06/2008 | US20080054824 Pfc and ballast control ic |
| 03/06/2008 | US20080054823 Automatic light dimmer for electronic and magnetic ballasts (fluorescent or HID) |
| 03/06/2008 | US20080054821 Systems and methods for indicating lighting states |
| 03/06/2008 | US20080054820 Light Source Unit, Illumination Apparatus for Display Apparatus, and Supply Apparatus |
| 03/06/2008 | US20080054819 Electrical Circuit With Dual Stage Resonant Circuit For Igniting A Gas Discharge Lamp |
| 03/06/2008 | US20080054818 Light Device and Control Method Thereof |
| 03/06/2008 | US20080054814 Ac Driven Light-Emitting Diodes |
| 03/06/2008 | DE202006020298U1 Schaltungsanordnung zum Betreiben von Leuchtmitteln oder vergleichbaren Lasten im Netz- oder Notstrombetrieb Circuit arrangement for operating lamps or similar loads in the network or emergency power |
| 03/05/2008 | EP1894448A1 Device and method for operating a high-pressure gas discharge lamp |
| 03/05/2008 | EP1894447A2 A control device for controlling the output of one or more full-bridges |
| 03/05/2008 | EP1370917B1 Electronic dimmable ballast for high intensity discharge lamp |
| 03/05/2008 | EP1247432B1 Electronic ballast and electronic transformer |
| 03/05/2008 | CN201032751Y Electronic ballast |
| 03/05/2008 | CN201032750Y Fluorescent lamp driving power supply |
| 03/05/2008 | CN201032130Y Circuit board of electronic ballast |
| 03/05/2008 | CN101137264A Light modulation device for luminous unit |
| 03/05/2008 | CN101137263A Digital type electronic ballast and control method thereof |
| 03/05/2008 | CN101136304A Ccfl device with a principal amalgam |
| 03/05/2008 | CN100373756C Single stage PFC and power converter circuit |
| 03/04/2008 | US7339802 DC-AC converter and controller IC therefor |
| 03/04/2008 | US7339471 Nighttime-controlled lighting system |
| 03/04/2008 | US7339331 Dimmer circuit with improved ripple control |
| 03/04/2008 | US7339329 Dimmable ballast for an electrodeless discharge lamp |
| 03/04/2008 | US7339328 Method of shaping light pulses emitted by an arc lamp |
| 03/04/2008 | US7339326 DC/AC converter for supplying two gas discharge lamps |
| 03/04/2008 | US7339322 Apparatus and methods for making spectroscopic measurements of cathode fall in fluorescent lamps |
| 02/28/2008 | WO2008023522A1 Discharge lamp lighting device and luminaries |
| 02/28/2008 | WO2008023483A1 High voltage discharge lamp lighting apparatus and illuminating equipment |
| 02/28/2008 | WO2008023476A1 High voltage discharge lamp lighting apparatus and illuminating equipment |
| 02/28/2008 | US20080048587 Method for Controlling an Electrical Light Source by Pulse Width Modulation |
| 02/28/2008 | US20080048586 Discharge Lamp Lighting Apparatus and Projector |
| 02/28/2008 | US20080048585 Lighting Control |
| 02/28/2008 | US20080048584 System and method for reducing flicker of compact gas discharge lamps at low lamp light output level |
| 02/28/2008 | US20080048583 Light source device, lighting and driving method thereof and projector |
| 02/28/2008 | US20080048581 Electronic ballast and method for driving fluorescent lamp |
| 02/28/2008 | US20080048580 Transformer for driving multi-lamp and backlight module thereof |
| 02/28/2008 | US20080048579 Switchable induction light |
| 02/28/2008 | US20080048578 Projector HID lamp ballast having auxiliary resonant circuit |
| 02/28/2008 | US20080048575 Discharge lamp lighting circuit |
| 02/28/2008 | US20080048565 Method for Generating a Cold Plasma for Sterilizing a Gaseous Medium and Device Therefor |
| 02/28/2008 | CA2661628A1 Discharge lamp lighting device and lighting fixture |
| 02/28/2008 | CA2661625A1 High intensity discharge lamp lighting device and lighting fixture |
| 02/28/2008 | CA2657783A1 High-pressure discharge lamp lighting device and lighting fixture using the same |
| 02/27/2008 | EP1683399B1 Lighting fixture and method for operating same |
| 02/27/2008 | EP1397942B1 High efficiency high power factor electronic ballast |
| 02/27/2008 | CN201029253Y Multifunctional electronic ballast |
| 02/27/2008 | CN201029252Y Work control circuit of inverter |
| 02/27/2008 | CN201029251Y Driving circuit of hot cathode fluorescent tube |
| 02/27/2008 | CN201029250Y Static starter |
| 02/27/2008 | CN201029249Y Energy-saving warning lamp |