| Patents for H05B 41 - Circuit arrangements or apparatus for igniting or operating discharge lamps (35,100) |
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| 10/27/2004 | EP1471777A1 Discharge lamp lighting device and lighting apparatus |
| 10/27/2004 | EP1470741A1 Control device for operating a plurality of lamps |
| 10/27/2004 | EP1470464A2 Extraction of accessory power from a signal supplied to a luminaire from a phase angle dimmer |
| 10/27/2004 | EP1080611B1 Circuit arrangement |
| 10/27/2004 | CN2652087Y Sectional electronic ballast |
| 10/27/2004 | CN2652086Y Electronic ballast for controlling output for multiple fluorescent tubes |
| 10/27/2004 | CN2652085Y Light-adjustable electronic ballast |
| 10/27/2004 | CN2652084Y Multifunctional fluorescent tube |
| 10/27/2004 | CN2652042Y Single wire time-delay switch for fluorescent lamp and energy-saving lamp |
| 10/27/2004 | CN1541507A Method for operating HID lamp using duty cycle modulation |
| 10/27/2004 | CN1541506A Method for color mixng of HID lamps operated at VHF frequencies using duty cycle modulation |
| 10/27/2004 | CN1541042A Intellective economizer for street lamp |
| 10/27/2004 | CN1541041A High Q impedance mateching inverter circuit with automatic line |
| 10/27/2004 | CN1540691A High voltage transformer and discharge driving device |
| 10/27/2004 | CN1540608A Device and method of driving light source of display device |
| 10/26/2004 | US6809940 Circuit synchronization apparatus and method |
| 10/26/2004 | US6809938 Inverter controller |
| 10/26/2004 | US6809652 Xenon light fixture with integral ballast and remote control |
| 10/26/2004 | US6809483 Method and apparatus for arc detection and protection for electronic ballasts |
| 10/26/2004 | US6809479 Self-ballasted electrodeless discharge lamp and electrodeless discharge lamp operating device |
| 10/26/2004 | US6808283 Sensitive lighting fixture for construction junction box |
| 10/26/2004 | CA2332347C Supply coupling of a fluorescent lamp |
| 10/21/2004 | WO2004091263A1 Lighting apparatus of high intensity discharge lamp |
| 10/21/2004 | WO2004091259A2 Multi-phase gas discharge lamps |
| 10/21/2004 | WO2004091258A2 High frequency electronic ballast with sine wave oscillator |
| 10/21/2004 | WO2004090934A1 High-pressure discharge lamp, lighting method and lighting device for high-pressure discharge lamp and, high-pressure discharge lamp device, and lamp unit, image display unit, head light unit |
| 10/21/2004 | US20040207340 Device and method for adjusting currents of lamp tubes |
| 10/21/2004 | US20040207339 Power supply for an LCD panel |
| 10/21/2004 | US20040207338 Power supply circuit for flash discharge tube |
| 10/21/2004 | US20040207337 Method for varying the power consumption of capacitive loads |
| 10/21/2004 | US20040207336 Method of initiating lighting of a discharge lamp, circuit for lighting a discharge lamp, light source device using the circuit, and optical instrument incorporating the light source device |
| 10/21/2004 | US20040207335 Continuous mode voltage fed inverter |
| 10/21/2004 | US20040207332 Energy recovering apparatus and method for plasma display panel |
| 10/21/2004 | DE10315474A1 Verfahren zum Variieren der Leistungsaufnahme von kapazitiven Lasten A method of varying the power consumption of capacitive loads |
| 10/21/2004 | DE10315473A1 Schnittstellenschaltung zum Betrieb von kapazitiven Lasten Interface circuit for operating capacitive loads |
| 10/20/2004 | EP1468426A2 Air-cooled lamp, and article treatment system and method utilizing an air-cooled lamp |
| 10/20/2004 | CN2650448Y Electronic ballast for modulating fluorescent lamp |
| 10/20/2004 | CN1538794A Quasi continuous light generating power supply of single flash light sun analogue device |
| 10/20/2004 | CN1538793A Power for LCD screen |
| 10/20/2004 | CN1538605A Method for varying power consuonption of capacitive loads |
| 10/20/2004 | CN1538497A 光源装置和图像显示装置 The light source device and an image display apparatus |
| 10/20/2004 | CN1538187A Single flash testing instrument of film solar battery assembly |
| 10/20/2004 | CN1172562C Operation cricuit of low-volage discharge lamp using low-voltage power-supply |
| 10/19/2004 | US6806657 Device for operating discharge lamps |
| 10/19/2004 | US6806649 Starter assembly for a gas discharge lamp |
| 10/19/2004 | CA2308698C Discharge lamp lighting device |
| 10/19/2004 | CA2255732C High-efficiency self-regulated electronic ballast with a single characteristic curve for operating high-pressure sodium vapour lamps |
| 10/14/2004 | WO2004089044A1 Lamp conditioning system |
| 10/14/2004 | DE4310307B4 Scheinwerfer für Fahrzeuge Headlights for vehicles |
| 10/14/2004 | DE10392152T5 Elektronisches Vorschaltgerät für eine Entladungslampe Electronic ballast for a discharge lamp |
| 10/14/2004 | DE10312933A1 Electronic module for emergency lamps effective, when current supply for normal illumination system has failed, consisting of direct to alternating current (DC/AC) converter with downward transformation characteristic |
| 10/13/2004 | EP1467601A1 High-pressure discharge lamp operation apparatus and high-pressure discharge lamp operation method |
| 10/13/2004 | EP1467474A2 Interface circuit for operation of capacitive loads |
| 10/13/2004 | EP1466508A1 Circuit for a gas-discharge lamp |
| 10/13/2004 | EP1466507A2 Improved high-frequency electronic ballast |
| 10/13/2004 | EP1466473A1 Image projector and method of operating same |
| 10/13/2004 | EP1466224A1 Electronic ballast with ignition and operation control |
| 10/13/2004 | CN2648763Y 一种电子镇流器 An electronic ballast |
| 10/13/2004 | CN2648762Y DC bus type power supply high voltage gas discharge lamp electronic ballast system |
| 10/13/2004 | CN1537404A Ballast with voltage and current sensor |
| 10/13/2004 | CN1536751A Interface circuit of driving capacitance load |
| 10/13/2004 | CN1535864A Discharge lamp turn-on device |
| 10/13/2004 | CN1171511C Controller for opearting high pressure gas discharge lamp |
| 10/13/2004 | CN1171510C Ballast for discharge lamp |
| 10/13/2004 | CN1171509C Parallel-storage series-drive electronic ballast |
| 10/13/2004 | CN1171508C Circuit arrangement |
| 10/13/2004 | CN1171507C Electronic ballast capable of being combined into one body with straight tube type fluorescent light tube |
| 10/13/2004 | CN1171376C Circuit for driving piezoelectric transformer |
| 10/12/2004 | US6804461 Flash apparatus and auxiliary battery apparatus |
| 10/12/2004 | US6804129 High-efficiency adaptive DC/AC converter |
| 10/12/2004 | US6803731 Operating circuit for a discharge lamp with early EOL detection |
| 10/12/2004 | US6803730 Single stage PFC + ballast control circuit/general purpose power converter |
| 10/12/2004 | US6802615 Projector and lamp information management method used for the same |
| 10/12/2004 | CA2208461C A multi-function filament-heater power supply for an electronic ballast for long-life, dimmable lamps |
| 10/12/2004 | CA2193287C Circuit arrangement for the production of voltage pulse sequences, in particular for the operation of dielectrically impeded discharges |
| 10/07/2004 | WO2004086463A2 High voltage offset detection circuit and method |
| 10/07/2004 | WO2004086443A1 Method for producing high-pressure discharge lamp, high-pressure discharge lamp produced by such method, lamp unit and image display |
| 10/07/2004 | WO2004085914A1 Compact self-ballasted fluorescent lamp and lighting fitting |
| 10/07/2004 | US20040196077 High voltage offset detection circuit and method |
| 10/07/2004 | US20040195980 Discharge lamp starter |
| 10/07/2004 | US20040195977 Interface circuit for operating capacitive loads |
| 10/07/2004 | US20040195953 Multi-phase gas discharge lamps |
| 10/06/2004 | EP1465465A2 Electronic ballast with a full-bridge circuit |
| 10/06/2004 | EP1465464A2 Dimmer booster |
| 10/06/2004 | EP1465330A2 Method for varying the power consumption of capacitive loads |
| 10/06/2004 | EP1464209A1 Electronic circuit, and method of operating a high-pressure lamp |
| 10/06/2004 | EP1464208A1 Circuit arrangement for operation of one or more lamps |
| 10/06/2004 | EP1040730B1 Preconditioner |
| 10/06/2004 | CN2647013Y A single live wire fluorescent lamp with emergency handling function |
| 10/06/2004 | CN2647012Y A DC energy-saving lamp |
| 10/06/2004 | CN2647011Y Waste tube electronic starting ballast for fluorescent lamp |
| 10/05/2004 | US6801716 Flash control device, electronic flash device, and photographing system |
| 10/04/2004 | CA2463015A1 Method for varying the power consumption of capacitive loads |
| 10/04/2004 | CA2462631A1 Interface circuit for operating capacitive loads |
| 09/30/2004 | WO2004084591A1 Lighting device of discharge lamp |
| 09/30/2004 | WO2004084585A2 High intensity discharge lamp ballast circuit |
| 09/30/2004 | WO2004084253A1 Method for producing high-pressure discharge lamp, high-pressure discharge lamp and lamp unit using such high-pressure discharge lamp, and image display |
| 09/30/2004 | US20040191618 Electrochemical device, such as an electrically controlled system with variable optical and/or energy properties |
| 09/30/2004 | US20040190889 Interior and exterior batteries as power sources; detection charging speed of capacitor; calibration |
| 09/30/2004 | US20040189217 Discharge lamp lighting apparatus |