Patents
Sitemap › H05 - Electric techniques not otherwise provided for › H05B - Electric heating; Electric lighting not otherwise provided for › H05B 41 - Circuit arrangements or apparatus for igniting or operating discharge lamps
Patents for H05B 41 - Circuit arrangements or apparatus for igniting or operating discharge lamps (35,100)
11/2003
11/19/2003EP1363478A1 Heating element for fluorescent lamps
11/19/2003EP1363451A1 Projector and lamp information management method used for the same
11/19/2003EP1363296A1 Common mode radio interference suppression choke for electronic ballast
11/19/2003CN2587128Y Power switchable pocket-sized energy conserving lamp
11/19/2003CN2586988Y Four-time stepping flash camera
11/19/2003CN1457626A System and method for operating HID lamp
11/19/2003CN1457625A Ballast circuit arrangement
11/19/2003CN1457623A Integrated circuit for lamp heating and dimming control
11/19/2003CN1457222A Electronic ballast without twinkles and luminating device
11/19/2003CN1457135A 换流器控制器 Inverter controller
11/19/2003CN1457106A Piezoelectric ceramics transistor
11/18/2003US6650517 Ballast safety circuit
11/18/2003US6650514 Protection circuit for a fluorescent lamp
11/18/2003US6650069 Discharge lamp lighting device
11/18/2003US6650067 Electronic ballast for discharge lamps
11/13/2003WO2003094580A1 Open loop bi-level ballast control
11/13/2003US20030210503 High voltage transformer module and receptacle
11/13/2003US20030210000 System and method of automatic cycling control for HID lamps
11/13/2003US20030209999 Wireless remote control systems for dimming electronic ballasts
11/13/2003US20030209998 Circuit arrangement for operating discharge lamps
11/13/2003US20030209995 Electrode-less lamp equipment
11/13/2003US20030209993 Discharge lamp lighting circuit
11/13/2003US20030209986 Metal halide discharge lamp, lighting device for metal halide discharge lamp, and illuminating apparatus using metal halide discharge lamp
11/13/2003US20030209960 Heating element for fluorescent lamps
11/12/2003EP1361781A1 Electronic ballast for operating discharge lamps
11/12/2003EP1360879A1 Universal hardware/software feedback control for high-frequency signals
11/12/2003EP1360438A2 Apparatus and methods relating to wavelength conditioning of illumination
11/12/2003EP1155598B1 Digital lamp ballast
11/12/2003EP1095543B1 Ballast for at least one gas discharge lamp and method for operating such a ballast
11/12/2003EP0838130B1 Power supply for feeding and igniting a gas discharge lamp
11/12/2003CN2586329Y Driver of gas discharge tube
11/12/2003CN2586328Y Intelligent light energy saver
11/12/2003CN2586327Y High efficiency electronic ballast
11/12/2003CN1456029A Ballast for a discharge lamp
11/12/2003CN1456028A Ballast for a discharge lamp
11/12/2003CN1456027A Sequential burst mode activation circuit
11/12/2003CN1455633A Non-stroboscopic energy-saving direct-current fluorescent lamp
11/12/2003CN1127886C Power-supply for high-frequency driven gas dischange lamp
11/12/2003CN1127752C High-voltage discharge lamp
11/11/2003US6647206 Camera including stroboscopic unit
11/11/2003US6646392 Circuit arrangement for operating a discharge lamp
11/11/2003US6646391 Light source device of a dielectric barrier discharge lamp
11/11/2003US6646390 EOL detection with integrated filament interrogation
11/11/2003US6646389 Discharge lamp ignition device, equipment and image forming apparatus
11/11/2003US6646384 Microwave powered UV lamp with improved RF gasket arrangement
11/07/2003CA2428295A1 Circuit arrangement for operating discharge lamps
11/06/2003WO2003092329A2 Inductively powered lamp assembly
11/06/2003US20030206426 Inverter controller
11/06/2003DE20312298U1 Electronic starter circuit for gas discharge lighting tubes has facility to change parameter operating data using link from external unit to flash memory
11/06/2003DE20311997U1 Electrical starter circuit for the firing of a low pressure gas discharge lighting tube uses a transistor circuit to provide improved performance
11/06/2003CA2822260A1 Inductively powered lamp assembly
11/06/2003CA2771058A1 Inductively powered lamp assembly
11/05/2003EP1359791A1 Ballast circuit for parallel-connected fluorescent tubes
11/05/2003EP0992113B1 Half bridge circuit drive without collector bias current peak
11/05/2003EP0893039B1 Ballast circuit
11/05/2003CN1454037A Energy-saving light bulb system
11/05/2003CN1453819A Low-voltage discharge lamp with circuit breaker when its service life stops
11/04/2003US6642706 Detection of asymmetrical load in an AC circuit
11/04/2003US6642674 Twin dimming controller for backlight system
11/04/2003US6642673 Method and apparatus for disabling sodium ignitor upon failure of discharge lamp
11/04/2003US6642672 Integrated filter with common-mode and differential-mode functions
11/04/2003US6642671 Electrodeless discharge lamp
11/04/2003US6642670 Ballast converter with power factor and current crest factor correction
11/04/2003US6642669 Electronic dimming ballast for compact fluorescent lamps
11/04/2003US6642668 Discharge lamp device for reducing noise radiation and surge pulse current
11/04/2003US6642500 Signal processing apparatus which performs logarithmic compressions
10/2003
10/30/2003WO2003090503A1 Lighting device available in low voltage of a fluorescent lamp
10/30/2003WO2002077675A3 Multi-element electron-transfer optical detector system
10/30/2003US20030203699 Process for anticipating the service life of a rare gas discharge lamp and a system for anticipating the service life of rare gas discharge lamp
10/30/2003US20030201967 Back-light control circuit of multi-lamps liquid crystal display
10/30/2003US20030201737 Method for the stabilization of the radiation output of a gas discharge-coupled radiation source in pulsed operation
10/30/2003US20030201736 Method and arrangement with control gear, and control gear
10/30/2003US20030201735 Lighting method and apparatus for high-pressure discharge lamp, and high-pressure discharge lamp apparatus
10/30/2003US20030201734 PWM controller with automatic low battery power reduction circuit and lighting device incorporating the controller
10/30/2003US20030201733 Open loop bi-level ballast control
10/30/2003US20030201731 Inductively powered lamp assembly
10/30/2003US20030201730 Diagnostic system for a strobe lamp and its operating circuit
10/30/2003US20030201725 Method and apparatus for generating a flash or a series of flashes from a multiparameter light
10/30/2003CA2425351A1 Method and arrangement with control gear, and control gear
10/29/2003EP1357580A2 Low pressure discharge lamp with end of life shutdown means
10/29/2003EP1356715A1 Ballast and method of feeding a fluorescent lamp
10/29/2003EP1356714A1 Ballast and method of feeding a fluorescent lamp
10/29/2003EP1356713A2 A modified electronic ballast for a fluorescent lamp
10/29/2003EP1245136B1 Device for illuminating a liquid crystal screen
10/29/2003EP0900514B1 Lighting unit, low-pressure mercury discharge lamp, supply unit, and combined packaging
10/29/2003EP0838132B1 Dimmable ballast
10/29/2003EP0838131B1 Ballast circuit
10/29/2003CN2583929Y D.C. electronic lamp power supply device
10/29/2003CN2583928Y Electronic ballast with self-restoring function
10/29/2003CN2583927Y Drive circuit for fluorescent lamp
10/29/2003CN2583926Y Double safety electronic transformer for neom lamp
10/29/2003CN1452445A 照明系统 Lighting system
10/29/2003CN1452444A Light-modulating ballast interface circuit
10/29/2003CN1452443A Circuit arrangement for driving incandescent lamp in vehicle
10/29/2003CN1452189A Phase-reversing transformer and phase inverter circuit
10/29/2003CN1452160A Information recording and reproducing device
10/29/2003CN1451714A Yellow zinc sulfide based inorganic luminescent material, mfg. process thereof and display device using same
10/29/2003CN1126434C Method for controlling fluorescent lamp dimmers and circuit for providing such control
10/29/2003CN1126146C High pressure discharge lamp
10/28/2003US6639369 Electronic dimmable ballast for high intensity discharge lamp
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