| Patents for H05B 41 - Circuit arrangements or apparatus for igniting or operating discharge lamps (35,100) |
|---|
| 02/04/1988 | DE3626209A1 Ballast for at least one discharge lamp |
| 02/03/1988 | EP0255105A2 Glow discharge starter containing radioactive alloy |
| 02/03/1988 | CN87201216U Electronic starter with solid temperature controlling time |
| 02/02/1988 | US4723098 For energizing a lamp circuit |
| 02/02/1988 | US4723097 Rapid restrike metal halide lamp and a method of operating such |
| 02/02/1988 | US4723096 Arc lamp power supply using a voltage multiplier |
| 02/02/1988 | CA1232318A1 High intensity discharge lamp igniting device |
| 02/02/1988 | CA1232317A1 Electric discharge lamp with thermal switch |
| 01/28/1988 | WO1988000788A1 Circuit for starting and operating a gas discharge lamp |
| 01/27/1988 | EP0254326A2 Regulated deuterium arc supply system |
| 01/26/1988 | US4722040 Self-resonant inverter circuit |
| 01/26/1988 | US4721890 Power supply circuit for an alkali vapor spectral lamp |
| 01/21/1988 | DE3723435A1 Gas-discharge lamp and a device which uses said lamp |
| 01/21/1988 | DE3624106A1 Controller for operating fluorescent lamps |
| 01/20/1988 | EP0253732A1 Supply device for discharge lamps |
| 01/20/1988 | EP0253224A2 Circuit arrangement for operating low-pressure discharge lamps |
| 01/20/1988 | EP0253163A2 Arc lamp power supply |
| 01/20/1988 | CN87201206U Additional device for prolonging life span of fluorescent tube |
| 01/20/1988 | CN87200969U High efficient energy saving long life starter for fluorescent tube |
| 01/13/1988 | EP0252438A1 Ignition device for high-pressure discharge lamps |
| 01/13/1988 | CN87203291U Long life fluorescent tube with no filament |
| 01/13/1988 | CN87201201U 3u-shape plane efficient energy-saving fluorescent lamp |
| 01/12/1988 | US4719404 Switched resistor regulator with linear dissipative regulator |
| 01/12/1988 | US4719403 R. f. glow discharge constant current source |
| 01/12/1988 | US4719390 Electronic mains connection device for a gas discharge lamp |
| 01/07/1988 | EP0251131A2 Process for operating high-voltage fluorescent tubes, and circuit for carrying out the process |
| 01/07/1988 | DE3621291A1 Circuit arrangement for AC operation of at least two fluorescent lamps |
| 01/06/1988 | CN87205640U Self start ballast for tube-shape fluorescent lamp |
| 01/06/1988 | CN86208457U Longlife fluorescent lamp with accessaries |
| 01/05/1988 | US4717863 For a gas discharge lamp |
| 01/05/1988 | US4717861 Electronic flash device |
| 12/31/1987 | CN87201165U Electrically-controlled, double-u shaped, compact and energy-saving fluorescent lamp with high efficiency |
| 12/30/1987 | WO1987007996A1 A ballast for systems having multiple high-intensity discharge lamps |
| 12/30/1987 | WO1987007995A1 A high intensity discharge lamp self-adjusting ballast system with current limiters and a current feed-back loop |
| 12/30/1987 | CN87203610U Fluorescent lamp with incandescent lamp being used as ballast |
| 12/29/1987 | US4716343 For discharge lamps |
| 12/29/1987 | US4716342 Power circuit for spectral analysis gaseous discharge lamps |
| 12/26/1987 | CN87201048U Fluorescent-lamp electronic starter with reliable and rapid starting |
| 12/23/1987 | EP0249796A1 Gas discharge overtension arrester |
| 12/23/1987 | CN87104773A Energy-saving electronic neon generator |
| 12/23/1987 | CN86208760U Electronic starter for fluorescent lamp |
| 12/22/1987 | US4714862 Circuit arrangement for igniting and operating gas discharge lamps |
| 12/16/1987 | EP0249485A1 Starter circuit for a fluorescent tube lamp |
| 12/16/1987 | EP0248843A1 Simplified gaseous discharge device simmering circuit. |
| 12/16/1987 | CN87103817A Power supply electron system of electrode daylight lamp |
| 12/15/1987 | US4713587 Multipulse starting aid for high-intensity discharge lamps |
| 12/15/1987 | CA1230371A1 Display device with discharge lamp |
| 12/12/1987 | CN86203698U Inductance-capacity series connection electronic ballast |
| 12/10/1987 | DE3618975A1 Method for the intermittent operation of a fluorescent lamp, and a circuit for carrying out the method |
| 12/09/1987 | CN86206622U Electronic rectifier |
| 12/09/1987 | CN86206156U Electrostatic ballast fluorescent lamp |
| 12/08/1987 | US4712170 Power supply having tuned radio frequency circuit |
| 12/08/1987 | US4712045 Electric arrangement for regulating the luminous intensity of at least one discharge lamp |
| 12/03/1987 | WO1987007469A1 Electronic supply system for fluorescent electrode tubes |
| 12/02/1987 | EP0247529A2 An electronic ballast stabilizer |
| 12/02/1987 | EP0247382A2 Load control circuit |
| 12/02/1987 | EP0247218A1 Supply circuit for gaseous discharge lamps |
| 12/02/1987 | CN87205649U Fluorescent table lamp equipted with miniature electric fan |
| 12/02/1987 | CN87201082U Instantaneous glow starter for fluorescent lamp |
| 12/01/1987 | US4710682 Fluorescent lamp operating circuit |
| 12/01/1987 | US4710678 Electrodeless low-pressure discharge lamp |
| 12/01/1987 | US4710012 Flash photography system |
| 11/26/1987 | DE3626922A1 Light source which has no electrodes and is supplied with microwaves |
| 11/25/1987 | EP0247002A1 Electronic power supply system for a fluorescent lamp provided with electrodes |
| 11/25/1987 | CN87203931U Power-saving type neon light for both ac and dc operation |
| 11/25/1987 | CN87201995U 镇流器 Ballast |
| 11/24/1987 | US4709190 Method for operating an absorbance monitor |
| 11/24/1987 | US4709189 Transistor inverter device for fluorescent lamp |
| 11/24/1987 | US4709188 Operation of standby filament associated with an AC arc discharge lamp ballast |
| 11/19/1987 | EP0245568A1 Transient control circuit for fluorescent lamp systems |
| 11/18/1987 | CN87102724A Switch for prolonging service life of fluorescent lamp |
| 11/18/1987 | CN86210991U Strengthened device for fluorescent lamp starter |
| 11/18/1987 | CN86205717U Long lifetime fluorescent lamp |
| 11/18/1987 | CN86103837A Fast starter for prolonging service life of fluorescent lamp and saving energy |
| 11/12/1987 | DE3711814A1 Electronic ballast for operating fluorescent lamps |
| 11/11/1987 | EP0244777A2 Fluorescent lamp operating circuit |
| 11/11/1987 | EP0244644A1 Circuit arrangement for the high-frequency operation of low-pressure discharge lamps |
| 11/10/1987 | US4705991 Method of operating a high-pressure metal vapor discharge lamp and circuit arrangement for carrying out this method |
| 11/10/1987 | CA1229130A1 Electrical device for igniting and supplying a gas- and/or vapour discharge lamp |
| 11/10/1987 | CA1229129A1 Hybrid ballast for multiple discharge lamps |
| 11/10/1987 | CA1229128A1 Circuit arrangement for operating a high-pressure gas discharge lamp |
| 11/04/1987 | EP0243948A2 Control circuit for an arc lamp |
| 11/04/1987 | CN87200960U Electrode-type fluorescent lamp matching device and its connecting circuit |
| 11/03/1987 | US4704563 Fluorescent lamp operating circuit |
| 11/03/1987 | US4704561 Push-pull generator |
| 11/03/1987 | CA1228891A1 Flash lamp circuit |
| 10/29/1987 | DE3613876A1 Electronic starting and protection device for preheating and starting fluorescent lamps which are operated using the mains AC voltage |
| 10/22/1987 | DE3612906A1 Power supply unit for converting a mains AC voltage into at least one DC voltage, without using a transformer |
| 10/20/1987 | US4701680 Wall box fluorescent lamp dimmer |
| 10/20/1987 | US4701673 Ballast adaptor for improving operation of fluorescent lamps |
| 10/20/1987 | US4701672 Strobe flash monitor |
| 10/20/1987 | US4701671 High-frequency oscillator-inverter ballast circuit for discharge lamps |
| 10/15/1987 | DE3625499A1 Starter for high-pressure discharge lamps which are supplied independently of the mains |
| 10/14/1987 | EP0241279A1 Controller for gas discharge lamps |
| 10/14/1987 | EP0240789A1 Lighting and flashlight device |
| 10/14/1987 | EP0240737A1 Ballast coil, especially for gas discharge lamps |
| 10/14/1987 | EP0240736A1 Ballast device or transformer, especially for discharge lamps |
| 10/14/1987 | EP0240592A1 Sealingly closed fluorescent lamp apparatus for illumination or germicide purposes for installation in water and/or moist environments, and feed system therefor |
| 10/14/1987 | EP0240519A1 Testing apparatus |
| 10/14/1987 | CN87202313U Ballast of fluorescent lamp with capacitor |