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)
10/2009
10/21/2009CN201332530Y NPN type integrated triode
10/21/2009CN201332529Y 集成三极管 Integrated Transistor
10/21/2009CN201332528Y 集成三极管 Integrated Transistor
10/21/2009CN201332527Y Outdoor lamp adapting to low-temperature starting
10/21/2009CN201332526Y 电子调光器 Electronic dimmer
10/21/2009CN201332086Y Electrodeless lamp magnetic ring with skeleton
10/21/2009CN201331027Y Novel electronic energy conservation lamp
10/21/2009CN101563960A Circuit arrangement and method for operating a high-pressure discharge lamp
10/21/2009CN101563959A Device for controlling light sources
10/21/2009CN101563755A Electrodeless discharge lamp and illumination device equipped with same
10/21/2009CN101562936A Method for improving and driving reaction time of backlight lighting tube brightness
10/21/2009CN101562935A Outdoor lamp adaptive to low-temperature starting
10/21/2009CN101562120A Electrodeless discharge lamp
10/21/2009CN101562119A Light emitting device and display device using the same
10/21/2009CN101561088A High-power high-efficiency cold cathode energy-saving lamp
10/21/2009CN101561084A Integrated gas discharge lamp
10/21/2009CN100553399C Single-stage backlight inverter and method for driving the same
10/21/2009CN100553398C Solar energy high voltage sodium lamp controller based on single stage inverter
10/21/2009CN100553397C Electronic ballast of high strength gas discharging light
10/21/2009CN100552559C Photographic illuminating device and camera
10/21/2009CN100552529C Image display apparatus
10/21/2009CN100552284C Inserting fluorescent lamp and its lamp-socket
10/20/2009US7605544 Current balancing circuit
10/15/2009WO2009126472A1 Stand alone lamp filament preheat circuit for ballast
10/15/2009WO2009125661A1 High-pressure discharge lamp lighting device, and light source device
10/15/2009WO2009125660A1 High pressure discharge lamp lighting device and light source equipment
10/15/2009US20090256498 Filament power supply circuit for vacuum fluorescent display
10/15/2009US20090256494 GaN-BASED SEMICONDUCTOR LIGHT-EMITTING ELEMENT, LIGHT-EMITTING ELEMENT ASSEMBLY, LIGHT-EMITTING APPARATUS, METHOD OF DRIVING GaN-BASED SEMICONDUCTOR LIGHT-EMITTING ELEMENT, AND IMAGE DISPLAY APPARATUS
10/15/2009US20090256492 Light Source Module, Light Source Assembly Having the Same and Display Device Having the Light Source Module
10/15/2009US20090256491 Method for Operating a Gas Discharge Lamp
10/15/2009US20090256490 Voltage sensing circuits and methods for inverters
10/15/2009US20090256489 Fluorescent light control
10/15/2009US20090256488 High intensity discharge strobe light
10/15/2009US20090256487 Method for detection of non-zero-voltage switching operation of a ballast of fluorescent lamps, and ballast
10/15/2009US20090256486 Light Dimming Device for Compact Fluorescent Lamp
10/15/2009DE19549859B4 Ansteuerungssystem zum Zünden bzw. Betreiben von Hochdruckentladungslampen Control system for igniting and operating high-pressure discharge lamps
10/15/2009DE19549853B4 Ansteuerungssystem zum Zünden bzw. Betreiben von Hochdruckentladungslampen Control system for igniting and operating high-pressure discharge lamps
10/15/2009DE102008005792A1 Elektronische Schaltung zum Betrieb mehrerer Gasentladungslampen an einer gemeinsamen Spannungsquelle An electronic circuit for operating a plurality of gas discharge lamps to a common voltage source
10/15/2009CA2720940A1 Stand alone lamp filament preheat circuit for ballast
10/15/2009CA2719837A1 High pressure discharge lamp ballast and light source apparatus
10/15/2009CA2719836A1 High pressure discharge lamp ballast and light source apparatus
10/14/2009CN201328215Y Ballast for series-type T8 lamp tube
10/14/2009CN201328214Y Multi-functional driving converter of high-pressure gas discharge lamp
10/14/2009CN201328213Y Energy-saving lamp dimmer
10/14/2009CN201328212Y Power supply device of centralized energy-saving lamp
10/14/2009CN201328211Y Xenon flash lamp module and reflection structure thereof
10/14/2009CN201328210Y Straight-tube type fluorescent lamp and protecting circuit thereof
10/14/2009CN201328209Y Plug-in type electron ballast straight fluorescent lamp
10/14/2009CN201328001Y Light-adjusting square-wave identifying and monitoring protection circuit of frequency converter product
10/14/2009CN101558693A Electronic operating device and method for the incremental dimming of a lighting device
10/14/2009CN101558692A Method and device for driving a gas discharge lamp
10/14/2009CN101558691A Method for operating a gas discharge lamp and a gas discharge lamp driver system
10/14/2009CN101558690A Lamp driver for operating a gas discharge lamp
10/14/2009CN101557673A Electronic ballast of split type fluorescent lamp
10/14/2009CN101557672A Improved electronic energy-saving lamp circuit
10/14/2009CN101557671A Ballast box for high-power energy-saving plant and mine lamp and high-power energy-saving plant and mine lamp thereof
10/14/2009CN101557670A Digital control system for LCD backlights
10/14/2009CN101556031A Module-integrated car ballast with xenon lamp
10/14/2009CN101555999A Inductively powered lamp assembly
10/14/2009CN101555995A Novel fluorescent lamp
10/14/2009CN100551199C Dimmer for cold cathode fluorescent tube
10/14/2009CN100551198C Operating device and method for operating gas discharge lamps
10/14/2009CN100551197C Circuit arrangement and method for starting and operating gas discharge lamps with heatable electrode filaments
10/14/2009CN100551196C Device and method for lighting high-voltage discharge lamp
10/14/2009CN100551195C Light source device
10/14/2009CN100551194C Firing circuit for discharge lamp
10/14/2009CN100550282C Middle output electrodeless lighting system
10/14/2009CN100548898C Changeable lamp assembly for water treatment system
10/08/2009WO2009122678A1 High-pressure discharge lamp lighting device, high-pressure discharge lamp device using same, projector using said high-pressure discharge lamp device, and high-pressure discharge lamp lighting method
10/08/2009WO2009122612A1 Inverter circuit, backlight device and display device
10/08/2009WO2009122334A1 Waveform detection and combined step and linear dim control
10/08/2009WO2009122232A1 Improved protection circuit for electronic converters and corresponding method
10/08/2009WO2009122209A1 Control circuit for flash lamps or the like
10/08/2009WO2009121627A2 Inductive component for activating lights
10/08/2009WO2009121508A1 Detection of the assignment of a terminal of an operating device for illumination means
10/08/2009WO2009121493A1 Detection of the type of an hid lamp by a multi-lamp operating device and lighting system
10/08/2009US20090251076 HID ballast with integrated voltage multiplier and lamp temperature compensation
10/08/2009US20090251069 Systems and methods for lighting control in flight deck devices
10/08/2009US20090251065 Circuit Arrangement and Method for Operating at Least One LED
10/08/2009US20090251063 Dimmer noise reducing circuit of piezoelectric transformer
10/08/2009US20090251062 Inverter
10/08/2009US20090251061 Apparatus for Operating at Least One Discharge Lamp
10/08/2009US20090251060 Electronic ballast system with lamp interface network
10/08/2009US20090251055 Discharge lamp lighting apparatus
10/08/2009DE102008017506A1 Light, has signal decoder extracting packets from signal, where packets contain address and user data, and control device for controlling lighting unit for emission of light with brightness dependent on brightness value
10/08/2009DE102008017505A1 Lamp for backlight of LCD screen in interior, has control device causing start delay before igniting cold cathode lamp, when temperature detected by temperature sensor is below certain temperature threshold value
10/08/2009DE102008017112A1 Supply circuit for UV mercury lamp for hardening of e.g. UV printing ink for sealing wood surface, has condition error signal circuit for generating condition error signal controlling power unit including transducer transformer
10/08/2009DE102008016888A1 Switching arrangement for stabilized operation of high pressure discharge lamp in headlight for motor vehicle, has capacitor connected with inverter, such that commutation voltage increases lamp voltage during commutation phase of lamp
10/08/2009DE102008013610A1 Leuchtvorrichtung mit auslesbaren Betriebsparametern Lighting device with readable operating parameters
10/07/2009EP2107861A1 Switching device for reducing voltage
10/07/2009EP2106676A1 Inductively-powered gas discharge lamp circuit
10/07/2009EP1943886B1 Drive circuit for a switchable heating transformer of an electronic ballast and corresponding method
10/07/2009CN201323696Y Emergency lamp
10/07/2009CN201323695Y Reading lamp automatic light regulating device
10/07/2009CN201323694Y Energy-saving electronic ballast
10/07/2009CN201323693Y Intelligent-induction fluorescent lamp fitting
10/07/2009CN201323692Y Large-power electronic ballast with wave current protection device
10/07/2009CN201323691Y HID lamp with intelligent protection device
10/07/2009CN201323690Y Electronic trigger with low start voltage for metal halogen lamp
10/07/2009CN201323689Y Improved digital electronic ballast of automobile xenon lamp
1 ... 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 ... 351