| Patents for H05B 41 - Circuit arrangements or apparatus for igniting or operating discharge lamps (35,100) |
|---|
| 07/25/2001 | CN2440300Y Inductor-type anti-harmonic-wave-contamination energy-saving ballast for gas discharging lamp |
| 07/25/2001 | CN2440299Y Improved structure of fluorescent lamp circuit |
| 07/25/2001 | CN1305337A Power supply for high-frequency driven gas discharge lamp |
| 07/24/2001 | US6265835 Energy-efficient ultraviolet source and method |
| 07/18/2001 | CN2439764Y Current compensation, high power factor electronic ballast |
| 07/18/2001 | CN2439763Y Self-igniting element for sodium lamp |
| 07/18/2001 | CN1304632A Bi-level output electronic high intensity discharge (HID) ballast system |
| 07/18/2001 | CN1304631A Ballast for at least one gas discharge lamp and method for operating such ballast |
| 07/18/2001 | CN1304630A Circuit arrangement |
| 07/18/2001 | CN1304629A Circuit arrangement |
| 07/18/2001 | CN1304628A Ignitor for high intensity discharge lamps |
| 07/18/2001 | CN1304574A Overvoltage protection circuit |
| 07/18/2001 | CN1304277A fluorescence lamp electronic ballast suitable for modulating light |
| 07/18/2001 | CN1304166A Condenser structure electrode and related lamp tube and circuit design method |
| 07/17/2001 | US6262542 Electronic ballast system |
| 07/17/2001 | US6260992 Vehicle headlamp device |
| 07/12/2001 | WO2001003161A3 Lamp, oscillator and lighting apparatus |
| 07/12/2001 | US20010007414 Flash lamps for underwater photography |
| 07/12/2001 | US20010007410 Electronic ballast for at least one low-pressure discharge lamp |
| 07/11/2001 | EP1115272A1 Method and system for lighting discharge lamps |
| 07/11/2001 | EP1114571A1 Circuit for operating gas discharge lamps |
| 07/11/2001 | EP1114570A1 Lighting device |
| 07/11/2001 | CN2439162Y Non-flash constant light table lamp |
| 07/11/2001 | CN1303120A Fluorescent lamp |
| 07/10/2001 | US6259615 High-efficiency adaptive DC/AC converter |
| 07/10/2001 | US6259215 Electronic high intensity discharge ballast |
| 07/10/2001 | US6259214 Method for operating a discharge lamp |
| 07/10/2001 | US6259213 Circuit arrangement for operating at least one low-pressure discharge lamp |
| 07/05/2001 | WO2001049083A1 Electronic ballast and electronic transformer |
| 07/05/2001 | WO2001049082A1 Circuit for operating a gas discharge lamp |
| 07/05/2001 | WO2001049080A1 A ballast scheme for operating multiple lamps |
| 07/05/2001 | WO2001039580A8 Administration device for lighting fixtures |
| 07/05/2001 | US20010006328 Neon sign transformer module and receptacle |
| 07/04/2001 | EP1113710A1 Electronic ballast for operating a low pressure discharge lamp |
| 07/04/2001 | EP1113522A2 Coupling structure of waveguide and applicator, and its application to electrodeless lamp |
| 07/04/2001 | CN2438295Y Low cost electronic ballast for high-power and high-intensity gas discharge lamp |
| 07/04/2001 | CN2438294Y AC electronic ballast for high-intensity gas discharge lamp |
| 07/04/2001 | CN2438293Y Ballast of fluorescent lamp |
| 07/04/2001 | CN1302530A Circuit arranglement |
| 07/04/2001 | CN1302529A Control gear for fluorescent lamp |
| 07/04/2001 | CN1302528A Circuit arrangement |
| 07/04/2001 | CN1302527A Dielectric barrier discharge lamp light source |
| 07/03/2001 | US6255785 High power factor electronic ballast with low lamp current peak ratio |
| 07/03/2001 | US6255783 Gas discharge lamp power supply with feed forward compensation for input voltage variations |
| 07/03/2001 | US6255782 Flat type fluorescent lamp |
| 06/28/2001 | WO2001047325A1 Ballast |
| 06/28/2001 | WO2001047324A1 High power electronic ballast with an integrated magnetic component |
| 06/28/2001 | WO2001047323A2 Compander for power control in a ballast |
| 06/28/2001 | US20010005172 Light-source lamp unit, light-source device and projection-type display apparatus |
| 06/28/2001 | US20010005107 Piezoelectric transformer driving circuit |
| 06/28/2001 | DE19963292A1 Electronic voltage adapter has variable output frequency converter supplied with direct voltage and operated at frequencies above 1 MHz for ignition and during operation |
| 06/28/2001 | DE19963289A1 Circuit arrangement to operate gas discharge lamp; has full bridge circuit supplied by direct current and has four controllable switches and circuit to control switches in normal and starting phases |
| 06/28/2001 | DE19963282A1 Elektronisches Vorschaltgerät zum Betrieb einer Niederdruck-Entladungslampe Electronic ballast for operating a low-pressure discharge lamp |
| 06/28/2001 | DE19961228A1 Switch-mode converter power supply, uses resonant elements with element voltage being compared with threshold during pre-switching zero-voltage phase, to assess inductive or capacitive load connection |
| 06/28/2001 | DE19961227A1 Switch-mode converter power supply, uses resonant elements with element voltage being compared with threshold during pre-switching zero-voltage phase, to assess inductive or capacitive load connection |
| 06/27/2001 | EP1111765A1 Voltage converter circuit having a self-oscillating half-bridge structure |
| 06/27/2001 | EP1110435A1 Reduction of vertical segregation in a discharge lamp |
| 06/27/2001 | EP1110434A2 Electronic ballast for a discharge lamp comprising dielectrically impeded discharges |
| 06/27/2001 | CN1301478A Circuit arrangement |
| 06/27/2001 | CN1301129A Piezoelectric transformer driving circuit |
| 06/27/2001 | CN1067838C Main frequency electronic ballast for fluorescent lamp |
| 06/26/2001 | US6252358 Wireless lighting control |
| 06/26/2001 | US6252357 Self-ballasted fluorescent lamp and lighting fixture |
| 06/26/2001 | US6252355 Methods and apparatus for controlling the intensity and/or efficiency of a fluorescent lamp |
| 06/26/2001 | US6252346 Metal matrix composite integrated lamp head |
| 06/21/2001 | WO2001045474A1 Device for illuminating a liquid crystal screen |
| 06/21/2001 | WO2001045473A1 Digital lamp ballast |
| 06/21/2001 | WO2001045471A1 Smart lamp |
| 06/21/2001 | WO2001045241A1 Converter with resonant circuit elements |
| 06/20/2001 | EP1109426A2 Halogen power converter with complementary switches |
| 06/20/2001 | EP1108347A2 Electronic ballast for a discharge lamp comprising dielectrically impeded discharges |
| 06/20/2001 | CN2435900Y Filtering thick-film circuit for electronic ballast |
| 06/14/2001 | WO2001043510A1 Programmable lamp ballast |
| 06/14/2001 | WO2001043263A1 Electronic ballasts with current and voltage feedback paths |
| 06/13/2001 | EP1107651A2 Device with a discharge lamp |
| 06/13/2001 | EP1107422A2 Method for operation of a light, in particular for medical applications, and a light with a discharge lamp |
| 06/13/2001 | EP0965250B1 Control switch and electronic ballast with said control switch |
| 06/13/2001 | DE10010139A1 Fall-out proof lamp especially for medical use with at least one discharge tube having supply unit connected to current supply additional safety current supply for charging over to reserve stand-by current source in event of mains failure |
| 06/13/2001 | CN2434786Y Super-large power energy saving lamp with integral of circuit unit and lamp body |
| 06/13/2001 | CN1299578A Circuit arrangement |
| 06/12/2001 | US6246187 System for promoting passive end of life light source failure |
| 06/12/2001 | US6246185 High frequency ballast for high intensity discharge lamps |
| 06/12/2001 | US6246183 Dimmable electrodeless light source |
| 06/12/2001 | US6246181 Discharge lamp lighting device |
| 06/12/2001 | US6246173 Free-running oscillator circuit with simple starting circuit |
| 06/12/2001 | US6246160 Lamp method and apparatus using multiple reflections |
| 06/07/2001 | WO2001041515A1 Induction lamp system and induction lamp |
| 06/07/2001 | WO2001039580A1 Administration device for lighting fixtures |
| 06/07/2001 | US20010002781 Electronic ballast for gas discharge lamp |
| 06/07/2001 | US20010002780 Electronic ballast for at least one low-pressure discharge lamp |
| 06/07/2001 | DE10051334A1 Struktur einer Plasmalampe einer Mikrowellenbeleuchtungsvorrichtung Structure of a plasma lamp microwave illumination device |
| 06/06/2001 | EP1104980A1 Electronic ballast for a fluorescent lamp |
| 06/06/2001 | EP0786193B1 Ballast circuit |
| 06/06/2001 | CN2433799Y Light-modulation ballast for high-intensity gas discharge lamp |
| 06/06/2001 | CN2433798Y T5 electronic ballast for high-efficient fluorescent lamp |
| 06/06/2001 | CN1298625A High frequency electronic ballast for multiple lamp independent operation |
| 06/06/2001 | CN1298624A Self-oscillating resonant converter with passive filter regulator |
| 06/06/2001 | CN1298198A Plasma lamp structure of microwave illuminating apparatus |
| 06/06/2001 | CN1298190A Contravariant transformer and discharge lamp firing circuit using the same contravariant transformer |
| 06/06/2001 | CN1066905C Variable colour illuminating device |