| Patents for H05B 41 - Circuit arrangements or apparatus for igniting or operating discharge lamps (35,100) |
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| 09/15/2004 | EP1458011A2 Electrodeless lamp system |
| 09/15/2004 | EP1458010A2 Emission device comprising an ultra-high pressure mercury discharge lamp |
| 09/15/2004 | EP1457097A1 Electronic ballast with an overvoltage monitoring device |
| 09/15/2004 | EP1457096A1 Electronic ballast and operating method for a gas discharge lamp |
| 09/15/2004 | EP1457095A1 Method and apparatus for dimming high-intensity fluorescent lamps |
| 09/15/2004 | CN2641985Y Gas discharge lamp with discrete light modulation |
| 09/15/2004 | CN2641984Y Flash lamp control circuit of camera |
| 09/15/2004 | CN2641983Y Fluorescent lamp ballast |
| 09/15/2004 | CN1167312C Synchronous lamp ignitor |
| 09/15/2004 | CN1167181C Power factor improving circuit |
| 09/14/2004 | US6791286 Hid lamp operating circuit |
| 09/14/2004 | US6791285 Lamp color control for dimmed high intensity discharge lamps |
| 09/14/2004 | US6791281 High pressure discharge lamp lighting apparatus and luminaire using thereof |
| 09/14/2004 | US6791280 System and method for generating a discharge in high pressure gases |
| 09/14/2004 | US6791279 Single-switch electronic dimming ballast |
| 09/14/2004 | US6791275 Low pressure gas discharge lamp ballast with on-off indicator |
| 09/14/2004 | US6791273 Vehicle lighting fixture |
| 09/14/2004 | US6791239 Piezoelectric transformation driving apparatus |
| 09/14/2004 | CA2312471C Dust collection port for use with a saw |
| 09/14/2004 | CA2201537C Circuit arrangement for operating electric lamps |
| 09/14/2004 | CA2199200C Detection and protection circuit for fluorescent lamps operating at failure mode |
| 09/14/2004 | CA2199199C Electrical circuit arrangement for the operation of lamps |
| 09/14/2004 | CA2149938C Electrodeless high intensity discharge lamp energized by a rotating electric field |
| 09/10/2004 | WO2004077893A1 Apparatus of driving light source for display device |
| 09/10/2004 | WO2004077892A1 Instantaneous electronic ballast for metal halide lamp having state transition circuit |
| 09/10/2004 | WO2004077891A1 Lighting device with high power factor for self-ballasted fluorescent lamp and low voltage |
| 09/10/2004 | WO2004077890A1 Apparatus for power control in lighting systems |
| 09/10/2004 | WO2003098326A3 Backlight assembly having external electrode fluorescent lamp, method of driving thereof and liquid crystal display having the same |
| 09/09/2004 | US20040174701 Distributed lighting system |
| 09/09/2004 | US20040174333 Backlight assembly and liquid crystal display device using the same |
| 09/09/2004 | US20040174332 Lamp driving apparatus, backlight assembly and liquid crystal display device using the same |
| 09/09/2004 | US20040174122 Dimming ballast control IC with flash suppression circuit |
| 09/09/2004 | US20040174113 Discharge lamp for dielectric barrier discharges, with discharge electrode sections which overhang such that they spring back |
| 09/08/2004 | EP1455556A1 UV generator and method for UV generation |
| 09/08/2004 | EP1455555A1 Improved device for switching on and powering discharge lamps |
| 09/08/2004 | EP1455382A2 High-intensity discharge lamp and lighting device therewith |
| 09/08/2004 | EP1455381A2 Dielectric barrier discharge lamp with overhanging re-entrant electrode sections |
| 09/08/2004 | EP1455192A2 Apparatus and method for measuring the resonance frequency of a resonant circuit |
| 09/08/2004 | EP1078556B1 Illumination lamp having brightness and color control |
| 09/08/2004 | CN2640198Y Light-modulation controller for large fluorescent lamp |
| 09/08/2004 | CN2640197Y Electronic balast |
| 09/08/2004 | CN2640196Y Multi-tube single-coil inverter sampling circuit |
| 09/08/2004 | CN2640195Y Electronic balast system of A.C bus type power supplied high-tension gas discharge lamp |
| 09/08/2004 | CN1528108A EL driver for small semiconductor die |
| 09/08/2004 | CN1527651A Back light assembly and liquid crystal display equipment using the same back light assembly |
| 09/08/2004 | CN1527650A Light driving device, back light assembly and liquid crystal display device using the same |
| 09/08/2004 | CN1527352A Discharge lamp ued for dielectric blocking discharging with hopping back and stretching discharge electrode section |
| 09/08/2004 | CN1166260C Light adjustable electronic ballast |
| 09/08/2004 | CN1166259C 镇流器 Ballast |
| 09/08/2004 | CN1166258C Circuit arrangement |
| 09/08/2004 | CN1166257C Circuit device for controlling at least one low-voltage discharge lamp |
| 09/08/2004 | CN1166256C Light source using dielectric barrier discharge lamp |
| 09/08/2004 | CN1166255C 镇流器 Ballast |
| 09/08/2004 | CN1166254C Single transistor ballst with filament preheating |
| 09/08/2004 | CN1165957C Fluorescent lamp device with built-in starting circuit |
| 09/08/2004 | CN1165954C Discharge lamp for dielectrically impeded discharges with improved electrode configuration |
| 09/07/2004 | US6788892 Strobe light-emission control apparatus |
| 09/07/2004 | US6788510 High voltage transformer module and receptacle |
| 09/07/2004 | US6788010 Operating appliance and an operating method for high-pressure lamps |
| 09/07/2004 | US6788009 Method and device for lighting ultra-high pressure discharge lamps |
| 09/07/2004 | US6788008 Device for operating a dielectric barrier discharge lamp |
| 09/07/2004 | US6788007 Use of arc straightening in HID lamps operated at VHF frequencies |
| 09/07/2004 | US6788006 Discharge lamp ballast with dimming |
| 09/07/2004 | US6788005 Inverter and lamp ignition system using the same |
| 09/07/2004 | US6788001 Lighting system with caring preheating of gas discharge lamps |
| 09/07/2004 | CA2459817A1 Discharge lamp for dielectric barrier discharges, with discharge eletrode sections which overhang such that they spring back |
| 09/07/2004 | CA2459214A1 Method and apparatus for determining the resonant frequency of a resonant circuit |
| 09/01/2004 | EP1453363A1 High-pressure metal-vapor discharge lamp lighting apparatus and headlight device for automobile |
| 09/01/2004 | EP1453362A1 Igniter with printed circuit board which incorporates the complementary device interconnections |
| 09/01/2004 | EP1452076A1 Programmable system for stabilising and regulating voltage in particular for the improved management of lighting units using fluorescent bulbs and like |
| 09/01/2004 | EP1452075A1 Device and method for operating a discharge lamp |
| 09/01/2004 | EP1452074A1 Circuit arrangement for operating a lamp |
| 09/01/2004 | EP1452073A1 Device for heating electrodes of a discharge lamp |
| 09/01/2004 | EP1452072A1 Luminosity adjustable fluorescent lamp device for coordinated use with silicon controlled phase luminosity modulator |
| 09/01/2004 | CN1525221A Controlling a light assembly |
| 09/01/2004 | CN1165071C Discharge lamp and electronic flash device using the same |
| 08/31/2004 | US6785470 Capacitor charging device utilizing current detection to determine malfunction, and strobe and camera using same |
| 08/31/2004 | US6784867 Voltage-fed push LLC resonant LCD backlighting inverter circuit |
| 08/31/2004 | US6784628 Fluorescent light control circuit |
| 08/31/2004 | US6784627 Discharge lamp lighting device to light a plurality of discharge lamps |
| 08/31/2004 | US6784626 Electronic ballast and lighting fixture |
| 08/31/2004 | US6784625 EMI reduction of voltage inverters by way of controlled randomized modulation of oscillating signals |
| 08/31/2004 | US6784624 Electronic ballast system having emergency lighting provisions |
| 08/31/2004 | US6784622 Single switch electronic dimming ballast |
| 08/31/2004 | US6783248 Image display apparatus |
| 08/26/2004 | WO2004073360A1 Dimmable ballast for an electrodeless discharge lamp |
| 08/26/2004 | WO2004073283A2 Inductive coil assembly |
| 08/26/2004 | WO2004073177A2 Inductively powered apparatus |
| 08/26/2004 | WO2004073166A2 Adaptive inductive power supply with communication |
| 08/26/2004 | WO2004073150A1 Adaptive inductive power supply |
| 08/26/2004 | WO2004072733A2 Digital control system for lcd backlights |
| 08/26/2004 | WO2004028206B1 Adaptive cfl control circuit |
| 08/26/2004 | US20040164979 Power control system for LCD monitor |
| 08/26/2004 | US20040164687 Lamp driving apparatus and method for driving lamp |
| 08/26/2004 | US20040164686 Inductively powered lamp assembly |
| 08/26/2004 | DE4312615B4 Steuereinrichtung zur Erzeugung eines variablen Ausgangssignals Control means for generating a variable output signal |
| 08/26/2004 | DE10261003A1 Electromagnetic transformer especially for High-Intensity-Discharge lamps has several layered secondary windings on high voltage side that are arranged on top of each other and wound from isolated wire |
| 08/25/2004 | EP1450589A1 Power control system for LCD monitor |
| 08/25/2004 | EP1450163A2 Syringe with bubble flushing |
| 08/25/2004 | EP1450162A2 Cartridge feeder apparatus |