| Patents for H05B 41 - Circuit arrangements or apparatus for igniting or operating discharge lamps (35,100) |
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| 09/24/2002 | US6456015 Inductive-resistive fluorescent apparatus and method |
| 09/19/2002 | WO2002074020A1 High-efficiency piezoelectric transformer and ballast |
| 09/19/2002 | WO2002074019A1 Microwave powered lamp with improved cooling system |
| 09/19/2002 | WO2002074018A2 El driver for small semiconductor die |
| 09/19/2002 | WO2002074014A2 Fluorescent lamp ballast with integrated circuit |
| 09/19/2002 | WO2002073655A1 Discharge lamp, discharge lamp apparatus, and discharge lamp system |
| 09/19/2002 | WO2002032194A3 Circuit arrangement |
| 09/19/2002 | WO2001097574A9 Control circuits for fluorescent tubes |
| 09/19/2002 | US20020130628 Backlight assembly and liquid crystal display device having the same |
| 09/19/2002 | US20020130626 Light source device |
| 09/19/2002 | DE10206178A1 Entladungslampen-Zündschaltung Discharge lamp lighting circuit |
| 09/19/2002 | DE10203831A1 Entladungslampen-Beleuchtungsschaltkreis A discharge lamp lighting circuit |
| 09/18/2002 | EP1241925A2 Light source device |
| 09/18/2002 | EP1057381B1 Lamp ballast |
| 09/18/2002 | CN2512195Y Low-voltage electronic energy-saving lamp with wide range of working voltage |
| 09/18/2002 | CN2512194Y Pre-heated electronic ballast |
| 09/18/2002 | CN1370134A Point-of-use water treatment system |
| 09/18/2002 | CN1370037A Circuit design and control technique for HF electronic ballast of high-intensity gas discharge lamp |
| 09/17/2002 | US6453217 Frequency switching method by microcomputer and frequency switching device |
| 09/17/2002 | US6453145 Flash-based fixing apparatus with flash lamp of stable illumination for electrographic image forming apparatus |
| 09/17/2002 | US6452345 Discharge lamp operating device |
| 09/17/2002 | US6452344 Electronic dimming ballast |
| 09/17/2002 | US6452343 Ballast circuit |
| 09/17/2002 | US6452340 Luminaire starting aid device |
| 09/17/2002 | US6451202 Point-of-use water treatment system |
| 09/17/2002 | CA2191521C Electronic ballast lighting power control device |
| 09/12/2002 | WO2002071815A2 Flashlamp drive circuit |
| 09/12/2002 | WO2002071814A1 Device for driving discharge lamp |
| 09/12/2002 | WO2002071689A2 Method and system for assigning and binding a network address of a ballast |
| 09/12/2002 | WO2002071441A1 Mercury discharge lamps |
| 09/12/2002 | WO2002030161A3 Voltage feed push-pull resonant inverter for lcd backlighting |
| 09/12/2002 | WO2002023958A3 Electronic ballast employing a startup transient voltage suppression circuit |
| 09/12/2002 | US20020126510 Converter with resonant circuit elements for determing load type |
| 09/12/2002 | US20020126020 Method and system or assignment and binding a network address of a ballast |
| 09/12/2002 | US20020125863 Sequential burst mode activation circuit |
| 09/12/2002 | US20020125840 Processor based strobe with feedback |
| 09/12/2002 | US20020125838 Multiple CCFL current balancing scheme for single controller topologies |
| 09/12/2002 | US20020125837 Sign lamp lighting transformer with protective functions |
| 09/12/2002 | US20020125836 Inverter and lamp ignition system using the same |
| 09/12/2002 | US20020125835 Discharge lamp lighting circuit |
| 09/12/2002 | US20020125834 Inverter type illumination lighting apparatus |
| 09/12/2002 | US20020125807 Ballast for gas discharge lamps with shutdown of the filament heating |
| 09/12/2002 | DE10208121A1 Entladungslampenzündschaltung Entladungslampenzündschaltung |
| 09/12/2002 | DE10206175A1 Entladungslampen-Zündschaltung Discharge lamp lighting circuit |
| 09/12/2002 | DE10127459A1 Einrichtung zum Betreiben einer Leuchtstoffröhre Means for operating a fluorescent tube |
| 09/12/2002 | CA2440109A1 Mercury discharge lamps |
| 09/11/2002 | EP1239708A2 High-intensity discharge lamp lighting apparatus and luminaire for using the same |
| 09/11/2002 | EP1050196B1 Resonant converter circuit |
| 09/11/2002 | EP0981935B1 Gas discharge lamp drive circuitry |
| 09/11/2002 | EP0972429B1 Ballast method and apparatus and coupling therefor |
| 09/11/2002 | EP0943123B1 Modular high power modulator |
| 09/11/2002 | EP0836792B1 Ballast |
| 09/11/2002 | CN2511095Y Electronic ballast casing |
| 09/11/2002 | CN1368836A Multi-load power supply system and multi-tube drive system |
| 09/11/2002 | CN1368789A High-effiicent adaptive DC/AC converter |
| 09/11/2002 | CN1090888C Ballast containing protection circuit for detecting rectification of arc discharge lamp |
| 09/10/2002 | US6448720 Circuit for driving an HID lamp |
| 09/10/2002 | US6448715 Projection display apparatus |
| 09/10/2002 | US6448713 Sensing and control for dimmable electronic ballast |
| 09/05/2002 | US20020122020 Apparatus and method for automatic brightness control for use in liquid crystal display device |
| 09/05/2002 | US20020121867 High-intensity discharge lamp lighting apparatus and luminaire for using the same |
| 09/05/2002 | US20020121866 Hot-restrike ignition system for a high-frequency high-intensity discharge lamp assembly |
| 09/05/2002 | US20020121865 Drive device and drive method for a cold cathode fluorescent lamp |
| 09/05/2002 | DE10208154A1 Entladungslampeneinheit mit Rauschabschirmungen und einem Rauschsteuerverfahren für die Entladungslampeneinheit Discharge lamp unit with noise shielding and a noise control method for the discharge lamp unit |
| 09/05/2002 | DE10205884A1 Entladungslampen-Zündschaltung Discharge lamp lighting circuit |
| 09/04/2002 | EP1166430B1 Universal power module |
| 09/04/2002 | EP1044588B1 Method and apparatus for dimming a lamp in a backlight of a liquid crystal display |
| 09/04/2002 | EP1025746B1 Circuit for operating at least two discharge lamps |
| 09/04/2002 | CN1367639A Gas discharge lamp operation equipment with screw-wire heating device and circuit breaker |
| 09/04/2002 | CN1367638A Lamp operation equipment with SEPIC converter |
| 09/03/2002 | US6445143 Inverter for LCD backlight |
| 09/03/2002 | US6445142 Apparatus and method for remotely detecting a magnetic ballast |
| 09/03/2002 | US6445141 Power supply for gas discharge lamp |
| 09/03/2002 | US6445140 Circuit device |
| 09/03/2002 | US6445138 Microwave powered lamp with improved cooling system |
| 09/03/2002 | US6445137 Dielectric barrier discharge lamp apparatus |
| 09/03/2002 | US6445135 Electric-discharge lamp control apparatus and electric-discharge lamp control method |
| 09/03/2002 | US6443769 Lamp electronic end cap for integral lamp |
| 08/29/2002 | WO2002067637A1 Road lighting system |
| 08/29/2002 | WO2002067636A1 A digital lamp controller for low frequency operation |
| 08/29/2002 | WO2002067635A1 System and method for operating a hid lamp |
| 08/29/2002 | WO2002067634A2 Ballast circuit arrangement |
| 08/29/2002 | WO2002067290A1 Device for operating a fluorescent tube |
| 08/29/2002 | WO2000065884A9 Frequency controlled ballast with loosely coupled transformer with gap shunt and method therefor |
| 08/29/2002 | WO2000024104A3 Ground fault protection circuit |
| 08/29/2002 | US20020118049 Half-bridge inverter circuit |
| 08/29/2002 | US20020117976 Microcontrolled ballast compatible with different types of gas discharge lamps and associated methods |
| 08/29/2002 | US20020117973 Discharge lamp lighting circuit |
| 08/29/2002 | US20020117972 Discharge lamp lighting circuit |
| 08/29/2002 | US20020117971 Discharge lamp lighting circuit |
| 08/29/2002 | US20020117970 Discharge lamp unit with noise sheilds and noise control method for discharge lamp unit |
| 08/29/2002 | US20020117968 High-pressure gas discharge lamp, and method of manufacturing same |
| 08/29/2002 | EP1145400A3 Ground fault protection circuit |
| 08/29/2002 | DE10108138A1 Schutzschaltung für eine Leuchstofflampe Protection circuit for a fluorescent lamp |
| 08/29/2002 | DE10108016A1 Elektronisches Vorschaltgerät und Verfahren zum Betrieb von Leuchtstofflampen/Gasentladungslampen mit Niedervoltspannung Electronic ballast and method for operating fluorescent lamps / gas discharge lamps with low voltage |
| 08/29/2002 | CA2439033A1 Device for operating a fluorescent tube |
| 08/28/2002 | EP1235468A2 Microcontrolled ballast and associated methods |
| 08/28/2002 | EP1234365A2 Apparatus and method for detecting a short circuit in a lighting system |
| 08/28/2002 | EP1114570B1 Lighting device |
| 08/28/2002 | EP1080609B1 Electroluminescent devices |