| Patents for H05B 41 - Circuit arrangements or apparatus for igniting or operating discharge lamps (35,100) |
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| 09/05/2001 | CN2446625Y Liquid crystal display backlight lamp power source auto controller |
| 09/05/2001 | CN1311624A Flexible starter for lamp |
| 09/04/2001 | US6285138 Apparatus for lighting fluorescent lamp |
| 09/04/2001 | US6285136 Lighting driver for discharge lamp |
| 09/04/2001 | US6285134 Light irradiation method for varying a perceived brightness |
| 09/04/2001 | US6285132 Emergency lighting test system and method |
| 08/30/2001 | WO2001063978A1 Circuit arrangement for a fluorescent lamp |
| 08/30/2001 | US20010017525 Discharge lamp lighting circuit |
| 08/29/2001 | EP1128712A2 Low distortion line dimmer and dimming ballast |
| 08/29/2001 | EP1128711A2 Dual control dimming ballast |
| 08/29/2001 | EP1128710A2 Apparatus for reducing energy dissipated by the power supply busbars of lighting systems |
| 08/29/2001 | EP1128709A1 Power regulation circuit for ballast for ceramic metal halide lamp |
| 08/29/2001 | EP1128708A1 Device for turning on light and illumination apparatus |
| 08/29/2001 | EP1128707A1 Soft starter device for lamps |
| 08/29/2001 | EP1127478A2 Ballast power control circuit |
| 08/29/2001 | CN2445543Y High-frequency electronic balast of electrodeless discharge lamp |
| 08/29/2001 | CN2445542Y Direct-current power supply for fluorescent lamp |
| 08/29/2001 | CN1310858A High frequency inductive lamp and power oscillator |
| 08/29/2001 | CN1310577A Lighting device for illuminating apparatus and illuminating device |
| 08/28/2001 | US6282105 Power supply system for a group of lamps |
| 08/28/2001 | US6281642 Ballast for a discharge lamp with false deactivation detection |
| 08/28/2001 | US6281641 Electronic ballast for one or more lamps |
| 08/28/2001 | US6281639 Cold cathode discharge lamp lighting circuit |
| 08/28/2001 | US6281638 Converter/inverter full bridge ballast circuit |
| 08/28/2001 | US6281637 Piezoelectric transformer and discharge lamp device |
| 08/28/2001 | US6281636 Neutral-point inverter |
| 08/23/2001 | WO2001062052A1 Lighting system |
| 08/23/2001 | US20010015902 Voltage converter circuit having a self-oscillating half-bridge structure |
| 08/23/2001 | US20010015625 Discharge-lamp illumination circuit |
| 08/23/2001 | DE10105974A1 Entladungslampenzündschaltung Entladungslampenzündschaltung |
| 08/23/2001 | DE10007784A1 Schaltungsanordnung für eine Leuchtstofflampe A circuit arrangement for a fluorescent lamp, |
| 08/22/2001 | EP1125477A2 Method and ballast for operating a lamp fitted with a fluorescent tube |
| 08/22/2001 | EP1125476A2 Low-voltage ballast-free energy-efficient ultraviolet material treatment and purification system and method |
| 08/22/2001 | CN2444378Y Flash device for fluorescent lamp |
| 08/22/2001 | CN1309524A Method for running discharge lamp with at least one dielectric hindrance electrode |
| 08/22/2001 | CN1309460A Halogen lamp power supply converter with complementary switch |
| 08/21/2001 | US6278625 Inverter circuit with multilayer piezoelectric transformer |
| 08/21/2001 | US6278245 Buck-boost function type electronic ballast with bus capacitor current sensing |
| 08/21/2001 | US6278244 Circuit arrangement for operating a discharge lamp in synchronism with an image writing signal |
| 08/21/2001 | US6278226 Piezo ceramic transformer and circuit using the same |
| 08/21/2001 | CA2243462C An oscillator |
| 08/21/2001 | CA2056552C Starting circuit for an electrodeless high intensity discharge lamp |
| 08/16/2001 | WO2001060130A1 Switched dimming ballast |
| 08/16/2001 | WO2001060129A1 Electric discharge lamp starter and lighting system |
| 08/16/2001 | WO2001060128A1 Protection circuit with ntc resistance |
| 08/16/2001 | US20010014216 Electronic flash device |
| 08/16/2001 | US20010013759 Operating method for a discharge lamp having at least one dielectrically impeded electrode |
| 08/16/2001 | EP1124406A2 Method of operating a dielectric barrier discharge lamp |
| 08/16/2001 | EP0763311B1 Discharge lamp ballast |
| 08/16/2001 | EP0763276B1 Switching power supply for the operation of electric lamps |
| 08/16/2001 | DE10005975A1 Betriebsverfahren für eine Entladungslampe mit mindestens einer dielektrisch behinderten Elektrode A method of operating a discharge lamp having at least one dielectric barrier electrode |
| 08/15/2001 | CN1308835A Dielectric barrier discharge lamp apparatus |
| 08/15/2001 | CN1069810C Circuit for energizing fluorescent lamp and method of operating circuit for energizing fluorescent lamp |
| 08/14/2001 | US6274988 Open loop current control ballast low pressure mercury germicidal UV lamps |
| 08/14/2001 | US6274987 Power sensing lamp protection circuit for ballasts driving gas discharge lamps |
| 08/14/2001 | US6274986 Method and apparatus for driving a discharge lamp with pulses that terminate prior to the discharge reaching a steady state |
| 08/14/2001 | US6274984 High-frequency energy supply means, and a high-frequency electrodeless discharge lamp device using side resonator coupling |
| 08/09/2001 | WO2001058226A1 Electric load |
| 08/09/2001 | US20010011866 Electric load |
| 08/09/2001 | DE10102339A1 Entladungslampen-Leuchtbetriebsschaltung A discharge lamp lighting circuit |
| 08/09/2001 | CA2333804A1 Operating method for a discharge lamp having at least one dielectrically impeded electrode |
| 08/08/2001 | EP1122987A1 Gas discharge lamp ballast circuit with starter circuit arrangement |
| 08/08/2001 | EP1122986A1 An electronic ballast for a fluorescent lamp |
| 08/08/2001 | EP1121710A1 Energy saving lamp with electronic ballast |
| 08/08/2001 | EP0824848B1 Output control system for an a.c. high-pressure gas-discharge lamp intended in particular for motor vehicles |
| 08/08/2001 | CN2442477Y Start and ballast integrated ballast |
| 08/08/2001 | CN2442476Y Multifunction energy saving device for day light lamp |
| 08/08/2001 | CN2442475Y 异态保护电子镇流器 Different states to protect electronic ballast |
| 08/08/2001 | CN1307400A Supply unit, electronic ballast using the supply and self-ballasting fluorescent lamp |
| 08/08/2001 | CN1069461C Phase-reversal circuit |
| 08/08/2001 | CN1069444C Discharge lamp provided with bimetal switlch, bimetal switch and starter with the switch |
| 08/07/2001 | US6271635 Dimming system and method for magnetically ballasted gaseous discharge lamps |
| 08/07/2001 | US6271634 Strobe lighting control system |
| 08/07/2001 | US6271633 High power factor electronic ballast with fully differential circuit topology |
| 08/07/2001 | US6271630 High intensity discharge lighting fixture |
| 08/02/2001 | WO2001056337A1 $g(l)fluorescent lamp ballast using integrated circuit |
| 08/02/2001 | DE10101931A1 Lichtstromkreis für eine Gasentladungslampe Lighting circuit for a gas discharge lamp |
| 08/02/2001 | DE10101930A1 Entladungslampenzündschaltung Entladungslampenzündschaltung |
| 08/02/2001 | CA2395183A1 Fluorescent lamp ballast using integrated circuit |
| 08/01/2001 | EP1121003A1 Module comprising a starter and inverter for a power source of a discharge lamp and method of mounting a luminaire including such a module |
| 08/01/2001 | EP1121002A1 Electronic and modular power source for a discharge lamp |
| 08/01/2001 | EP1120022A1 Apparatus for dimming a fluorescent lamp with a magnetic ballast |
| 08/01/2001 | EP1120021A1 Modular high frequency ballast architecture |
| 08/01/2001 | EP1120020A2 Hid ballast circuit with arc stabilization |
| 08/01/2001 | CN1306733A Dimming ballast and drive method for lamps using frequency controlled, loosely-coupled transformer |
| 07/31/2001 | US6268799 Light-source lamp unit, light-source device and projection-type display apparatus and method of use |
| 07/31/2001 | US6268703 Gas discharge lamp having a controlled power source and a lamp base |
| 07/31/2001 | US6268698 Capacitive glow starting of high intensity discharge lamps |
| 07/31/2001 | US6268681 Method and circuit for driving piezoelectric transformer |
| 07/27/2001 | CA2332480A1 Modular electronic power supply device for discharge lamp |
| 07/26/2001 | WO2001054462A1 An improved power feedback power factor correction scheme for multiple lamp operation |
| 07/26/2001 | WO2001054461A1 Electronic ballast circuit for operating a high intensity discharge lamp |
| 07/26/2001 | DE10025610A1 Control equipment for discharge lamp in start phase provides a d.c. component to lamp voltage to power transfer to arc discharge condition |
| 07/25/2001 | EP1119224A1 Electrical device, in particular a fluorescent illuminating element, having a power source with a controlled converter |
| 07/25/2001 | EP1119223A1 Light source |
| 07/25/2001 | EP1118253A2 Ballast circuit with lamp current regulating circuit |
| 07/25/2001 | EP1118252A1 Lighting control system including a wireless remote sensor |
| 07/25/2001 | EP1118150A1 A resonant mode power supply having over-power and over-current protection |
| 07/25/2001 | EP1118101A1 Discharge lamp for dielectrically impeded discharges with improved electrode configuration |
| 07/25/2001 | EP1118100A1 Dimmable discharge lamp for dielectrically impeded discharges |