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)
06/2003
06/25/2003EP1321013A1 Method and apparatus for arc detection and protection for electronic ballasts
06/25/2003CN2558187Y Safety output device for electronic ballast
06/25/2003CN2558186Y Electronic ballast for energy saving lamp
06/25/2003CN2558185Y Fluorescent lamp set
06/25/2003CN2558184Y Lamp ignitor
06/25/2003CN2558183Y Starter capable of prolonging service life of fluorescent lamp
06/25/2003CN2558064Y Fluorescent lamp pullswitch without starter
06/25/2003CN2556957Y Shoes with interactive image flash light
06/25/2003CN1426165A Single pole multipath electric lamp remote control and hand control wall switch and circuit for eliminating flash of turned off light
06/25/2003CN1112836C Power-saving circuit for fluorescent lamp
06/24/2003US6584286 Electronic flash device
06/24/2003US6584000 Electronic stabilizer
06/24/2003US6583588 System and method of automatic cycling control for HID lamps
06/24/2003US6583587 Discharge lamp lighting circuit
06/24/2003US6583586 Brightness- regulating voltage-transforming circuit for high-pressure discharge lamp
06/24/2003US6583585 Discharge lamp lighting circuit
06/24/2003US6583574 Power saver for discharge lamps
06/24/2003US6583570 Discharge lamp device for vehicle
06/24/2003US6583568 Method and apparatus for dimming high-intensity fluorescent lamps
06/24/2003US6583534 Piezoelectric transformer, piezoelectric transformer drive circuit, piezoelectric transformer drive method and cold cathode tube drive apparatus using piezoelectric transformer
06/19/2003US20030111969 Ballast for a discharge lamp
06/19/2003US20030111968 Method and apparatus for modulating HID ballast operating frequency using DC bus ripple voltage
06/19/2003US20030111967 Method and apparatus for dimming high-intensity fluorescent lamps
06/19/2003CA2414543A1 Electronic ballast system having emergency lighting provisions
06/18/2003EP1319325A1 Power module for high intensity discharge lamp
06/18/2003EP0906715B1 Ballast
06/18/2003EP0818129B1 Control and protection of dimmable electronic fluorescent lamp ballast with wide input voltage range and wide dimming range
06/18/2003DE20305476U1 Flashing device has intersection point where the flashing unit communicates with the operating control device
06/18/2003CN2556890Y Energy-saving efficient self-ballasting fluorescent lamp
06/18/2003CN1111909C Circuit device and juction field transistor suitable for the circuit device
06/18/2003CN1111666C 照明装置 Lighting device
06/17/2003US6580275 Single sensor control of power converters
06/17/2003US6580231 Color mixing in HID lamp at VHF frequencies
06/17/2003US6580230 Energy conservation dimmer device for gaseous discharge devices
06/17/2003US6580229 Discharge lamp lighting device
06/17/2003US6580220 Circuit device for sustaining illumination of vehicle used high illumination discharged lamps
06/17/2003CA2153108C Semiconductor-controlled operating circuit for one or more low-pressur discharge lamps, typically fluorescent lamps
06/12/2003WO2003049508A1 Color mixing in hid lamp at vhf frequencies
06/12/2003WO2003049507A1 Luminosity adjustable fluorescent lamp device for coordinated use with silicon controlled phase luminosity modulator
06/12/2003WO2003049506A1 High power factor electronic ballast with lossless switching
06/12/2003WO2003048879A1 Ballast control card
06/12/2003US20030107332 Single switch electronic dimming ballast
06/12/2003US20030107331 Ballast control card
06/12/2003US20030107330 Method for activating illuminator and illumination device
06/12/2003US20030107329 Device for driving discharge lamp
06/12/2003US20030107328 Neon light control device
06/11/2003EP1318702A1 Programmable system for stabilising and regulating voltage in particular for the improved management of lighting units using fluorescent bulbs and like
06/11/2003EP1083943B1 Device for degerminating water having an UV lamp and calibration device therefor
06/10/2003US6577513 Lighting equipment built-in on-line uninterruptible power system capable of outputting AC sinusoidal power from a single DC source
06/10/2003US6577262 Compander for power control in a ballast
06/10/2003US6577081 Safety shield assembly for electrical apparatus
06/10/2003US6577079 Electronic ballast with intermediate circuit regulation
06/10/2003US6577078 Electronic ballast with lamp run-up current regulation
06/10/2003US6577077 Circuit arrangement
06/10/2003US6577076 Adaptive control for half-bridge universal lamp drivers
06/10/2003US6577075 High intensity discharge lamp magnetic/electronic ballast
06/10/2003US6577074 Lighting system
06/10/2003US6577066 Compact self-ballasted fluorescent lamp
06/05/2003WO2003047321A1 Method and device for driving a gas discharge lamp
06/05/2003WO2003047320A1 Device and method for operating a discharge lamp
06/05/2003WO2003047319A1 Electronic ballast for high-pressure discharge lamp
06/05/2003WO2003047318A1 Method for the production of a visible, uv or ir radiation with a lamp without electrodes, and lamp that carries out this method
06/05/2003WO2003046654A1 Strobe apparatus and its manufacturing method
06/05/2003US20030102962 System and method for cycling a metal-halide lamp on and off at designated intervals to reduce risk of arc tube rupture
06/05/2003US20030102824 Color mixing in HID lamp at VHF frequencies
06/05/2003US20030102823 Ballast control IC with minimal internal and external components
06/05/2003US20030102821 Circuit arrangement
06/05/2003US20030102818 High power factor electronic ballast with lossless switching
06/05/2003US20030102816 Ballast and method of feeding a flourescent lamp
06/05/2003US20030102815 Circuit arrangement
06/05/2003US20030102780 Piezoelectric transformer, piezoelectric transformer drive circuit, piezoelectric transformer drive method and cold cathode tube drive apparatus using piezoelectric transformer
06/05/2003US20030102776 Driving circuit for piezoelectric transformer, cold-cathode tube light-emitting apparatus, liquid crystal panel and device with built-in liquid crystal panel
06/05/2003US20030102775 Piezoelectric transformer and strobe apparatus having the piezoelectric transformer
06/04/2003EP1316840A2 Gas discharge tube and drive method therefor
06/04/2003EP1316244A1 Circuit device
06/04/2003EP1316243A2 Gas-discharge lamp type recognition based on built-in lamp electrical properties
06/04/2003EP0943154B1 Discharge lamp, comprising secondary side of piezotransformer as electrode
06/04/2003EP0935911B1 Anti-flicker scheme for a fluorescent lamp ballast driver
06/04/2003CN2554891Y Cross connecting device of double high-tension discharge lamp tube area and its transformer
06/04/2003CN1422436A Microwave excited ultraviolet lamp system with improved lamp cooling
06/04/2003CN1422106A Optical source apparatus
06/04/2003CN1422105A Electronic ballast circuit with function of correcting power factor and load current amplitude factor
06/04/2003CN1421940A Drive circuit, cold-cathod tube illuminating device and liquid crystal panel for piezoelectric transformer
06/04/2003CN1110453C Water purifier
06/03/2003US6573666 Digital regulation of fluorescent lamps
06/03/2003US6573664 High efficiency high power factor electronic ballast
06/03/2003US6573657 Short-arc high-pressure discharge lamp for digital projection technologies
06/03/2003CA2413485A1 A system and method for cycling a metal-halide lamp on and off at designated intervals to reduce risk of arc tube rupture
05/2003
05/30/2003WO2003045119A1 Luminosity-adjustable high frequency fluorescent lamp illuminating device
05/30/2003WO2003045118A1 Circuit arrangement for operating a lamp
05/30/2003WO2003045117A1 Device for heating electrodes of a discharge lamp
05/29/2003US20030099472 Flash control circuit
05/29/2003US20030098861 Driving circuit and driving method for piezoelectric transformer, backlight apparatus, liquid crystal display apparatus, liquid crystal monitor, and liquid crystal TV
05/29/2003US20030098659 Light source device
05/29/2003US20030098658 Method and apparatus for a protective ballast circuit
05/28/2003EP1315406A2 Electronic circuit for supplying high-frequency power for fluorescent lamps
05/28/2003EP1314338A2 Circuit device
05/28/2003EP0689689B1 Energy saving power control system
05/28/2003CN2553587Y Preheat soft starting electronic ballast with protector under abnormal state
05/28/2003CN2553586Y Electricity-saving controller for lamps and lanterns
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