| Patents for H05B 41 - Circuit arrangements or apparatus for igniting or operating discharge lamps (35,100) |
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| 01/20/2005 | WO2004107823A3 Circuit and method for operation of a gas discharge lamp |
| 01/20/2005 | US20050012641 Traffic signal operation during power outages |
| 01/20/2005 | US20050012633 Emergency lighting fixture in switch cover |
| 01/20/2005 | US20050012473 DC-DC converter and device for operation of a high pressure discharge lamp using said converter |
| 01/20/2005 | US20050012472 Electronic ballast with overvoltage monitoring |
| 01/20/2005 | US20050012470 CCFL circuit with independent adjustment of frequency and duty cycle |
| 01/20/2005 | US20050012469 Circuit arrangement for operating a lamp |
| 01/20/2005 | US20050012468 Scanning apparatus having a fluorescent lamp and control method thereof |
| 01/20/2005 | US20050012467 Fluorescent lamp electronic ballast |
| 01/20/2005 | US20050012466 Multi-lamp actuating facility |
| 01/20/2005 | US20050012464 High-pressure discharge lamp |
| 01/20/2005 | US20050012463 One-to-many compact fluorescent lamp holder structure |
| 01/20/2005 | US20050012462 Microwave powered lamp with reliable detection of burned out light bulbs |
| 01/20/2005 | DE10330117A1 Schaltungsanordnung zur Ansteuerung einer Hochdruckentladungslampe Circuit arrangement for driving a high pressure discharge lamp |
| 01/20/2005 | DE102004025614A1 Vorschaltgerät und Verfahren für eine Hochdruckentladungslampe Ballast and method for a high pressure discharge lamp |
| 01/19/2005 | EP1499166A2 Inverter circuit for discharge lamps with a voltage step-up circuit for supplying the gate driver of the inverter switches |
| 01/19/2005 | EP1499164A2 Microwave powered lamp with reliable detection of burned out light bulbs |
| 01/19/2005 | EP1498655A2 One-to-many compact fluorescent lamp holder structure |
| 01/19/2005 | EP1498012A1 Trigger circuit for an electronic flash device |
| 01/19/2005 | EP1374007A4 Single-stage pfc + ballast control circuit/general purpose power converter |
| 01/19/2005 | EP1279321A4 Methods and systems for providing emission of incoherent radiation and uses therefor |
| 01/19/2005 | CN2673039Y Push buttom type festival lamp controller |
| 01/19/2005 | CN2673031Y Abnormal state protector of self restoration electronic ballast |
| 01/19/2005 | CN2673030Y High efficiency power saving device of digital control fluorescent lamp |
| 01/19/2005 | CN2673029Y Electronic ballast for high voltage sodium lamp |
| 01/19/2005 | CN2673028Y Fluorescent lamp lighting device without electromagnetic radiation and light flash |
| 01/19/2005 | CN2673027Y 双频电子触发器 Dual electronic trigger |
| 01/19/2005 | CN1568639A Method and apparatus for driving a gas discharge lamp |
| 01/19/2005 | CN1568124A Electronic stabilizer with wave crest factor correction |
| 01/19/2005 | CN1568123A Multiple luminous tube lighting device |
| 01/19/2005 | CN1568122A High power factor group control method for ordinary energy-saving lamp |
| 01/19/2005 | CN1567525A Microwave lighting device and lighting method |
| 01/19/2005 | CN1567053A Surface shaped luminous source construction |
| 01/18/2005 | US6844687 Method of operating a discharge lamp |
| 01/18/2005 | US6844682 Fluorescent ballast with emergency lighting capability |
| 01/18/2005 | CA2474572A1 Traffic signal operation during power outages |
| 01/13/2005 | WO2005004554A1 Driving assembly for high-power gas discharge lamps |
| 01/13/2005 | WO2005004553A1 System for operating a plurality of negative dynamical impedance loads |
| 01/13/2005 | WO2005003878A2 Ballast control ic with multi-function feedback sense |
| 01/13/2005 | WO2004033960A3 Compact fluorescent lamp package |
| 01/13/2005 | US20050007800 Inverter for providing power to lamp circuit |
| 01/13/2005 | US20050007794 Dc/ac converter and controller ic |
| 01/13/2005 | US20050007762 Lamp device on a production machine for the manufacture of products of the tobacco-processing industry as well as associated lamp |
| 01/13/2005 | US20050007333 Backlight driving circuit |
| 01/13/2005 | US20050007230 Leakage transformer |
| 01/13/2005 | US20050007067 Vehicle interface |
| 01/13/2005 | US20050007037 Ballast control IC with minimal internal and external components |
| 01/13/2005 | US20050007036 DC-DC converter and device for operation of a high pressure discharge lamp using said converter |
| 01/13/2005 | US20050007032 Circuit arrangement |
| 01/13/2005 | US20050007030 Strobe apparatus and its manufacturing method |
| 01/13/2005 | US20050007029 Inverter transformer and inverter circuit |
| 01/13/2005 | US20050007023 Device for operating a short arc discharge mercury lamp |
| 01/13/2005 | DE10328718A1 Verfahren zum Betrieb mindestens einer Niederdruckentladungslampe und Betriebsgerät für mindestens eine Niederdruckentladungslampe Method for operating at least one low-pressure discharge lamp and ballast for at least one low-pressure discharge lamp |
| 01/12/2005 | EP1496725A2 Igniting device with piezoelectric transformer for a high-pressure discharge lamp |
| 01/12/2005 | EP1496604A2 DC-DC converter and device for operation of a high pressure discharge lamp using said converter |
| 01/12/2005 | EP1177710B1 Electronic ballast |
| 01/12/2005 | CN1564644A Electronic ballast of hihg strength gas discharging light |
| 01/12/2005 | CN1564643A Method able to trigger various high strength discharging lights and its triggering circuit |
| 01/12/2005 | CN1564278A Encapsulating ballast |
| 01/12/2005 | CN1184860C Ballast for electric discharge lamp |
| 01/12/2005 | CN1184859C Ignitor for high voltage discharging lamp |
| 01/11/2005 | US6841952 Electronic stabilizer |
| 01/11/2005 | US6841951 Single stage HID electronic ballast |
| 01/11/2005 | US6841790 Snap-in radio frequency screen for ultraviolet lamp system |
| 01/10/2005 | CA2473320A1 Starting device for a high-pressure discharge lamp, and an illuminating system |
| 01/06/2005 | WO2005002290A1 Control method and apparatus for improving the efficacy of fluorescent lamps |
| 01/06/2005 | WO2005001336A1 Discharge lamp lighting device, and illuminator |
| 01/06/2005 | US20050002213 Discharge tube lighting transformer with protective circuit against non-grounding of ground terminal |
| 01/06/2005 | US20050001564 Solar powered lamp having an auxiliary startup device |
| 01/06/2005 | US20050001561 Lighting device |
| 01/06/2005 | US20050001560 Lamp driver |
| 01/06/2005 | US20050001559 Circuit arrangement for driving a high-pressure discharge lamp |
| 01/06/2005 | US20050001558 Ballast circuit arrangement for operating a discharge lamp with end of lamp life detection |
| 01/05/2005 | EP1494510A1 Ignition apparatus with intelligent disconnection |
| 01/05/2005 | EP1494509A2 Circuit for driving a high pressure discharge lamp |
| 01/05/2005 | EP1494508A2 Universal igniter |
| 01/05/2005 | EP1494264A2 Device and method for operating a short arc discharge mercury lamp |
| 01/05/2005 | EP1494263A2 Light sources for improving visual perceptions under mesopic lighting conditions |
| 01/05/2005 | EP1425942A4 Ballast socket for compact fluorescent lamp |
| 01/05/2005 | EP0926928B1 Discharge lamp lighting device and illumination device |
| 01/05/2005 | DE202004012973U1 Adapter zur Aufnahme von Reflektoren Adapter for mounting of reflectors |
| 01/05/2005 | DE10326369A1 Transilluminator for quantified evaluation of sample materials, especially in microbiological investigations with markers, has comprehensive control over lighting functions |
| 01/05/2005 | DE10297505T5 Verschaltgerät-Steuergerät Verschaltgerät controller |
| 01/05/2005 | DE102004027373A1 Gleichspannungwandelschaltung DC voltage conversion circuit |
| 01/05/2005 | CN2669544Y 电子镇流器 Electronic Ballast |
| 01/05/2005 | CN2669434Y 墙壁开关盒 Wall switch box |
| 01/05/2005 | CN2669365Y Compact low-voltage electronic energy-saving fluorescent lamp |
| 01/05/2005 | CN1561654A Reducing color segregation in HID lamps |
| 01/05/2005 | CN1561653A Self-oscillating bridge circuit comprising a start circuit |
| 01/05/2005 | CN1561154A Luminous device |
| 01/05/2005 | CN1561153A Electronic controller for large power gas discharge lamp |
| 01/05/2005 | CN1561152A Compact light-regulation electromagnet induction lamp |
| 01/05/2005 | CN1560884A Low-consumption inductance ballast |
| 01/05/2005 | CN1183807C Lighting system containing circuit generated by dielectric separation discharge lamp and pulse voltage array |
| 01/04/2005 | US6838838 Power feeding apparatus for discharge lamp |
| 01/04/2005 | US6838837 Ultraviolet fluorescent lamp with unique drive circuit |
| 01/04/2005 | US6838834 Lighting system and electric power supplier for the same |
| 01/04/2005 | US6838813 Low-pressure discharge lamp with a device for switching it off at the end of its service life |
| 01/04/2005 | CA2195032C Methods and apparatus for operating a discharge lamp |
| 01/04/2005 | CA2108434C Capacitively coupled rf fluorescent lamp with rf magnetic enhancement |