Patents
Patents for H05B 41 - Circuit arrangements or apparatus for igniting or operating discharge lamps (35,100)
11/2009
11/10/2009US7615936 Inductively powered apparatus
11/05/2009WO2009134592A1 Voltage fed programmed start ballast
11/05/2009WO2009133641A1 Lighting device, and display device
11/05/2009WO2009133236A1 Planar circuit for driving gas discharge lamps
11/05/2009WO2009132890A1 Method for operating a gas discharge lamp and lighting system comprising a gas discharge lamp
11/05/2009WO2009132715A2 Arrangement relating power backup and method for power backup
11/05/2009WO2009132485A1 Adaptive sliding-frequency triggering ignition method for electronic ballast of high pressure gas discharge lamp
11/05/2009WO2009107019A3 Method of driving a gas-discharge lamp
11/05/2009US20090273738 Inverter, its control circuit, and light emitting device and liquid crystal television using the same
11/05/2009US20090273305 Control system for fluorescent light fixture
11/05/2009US20090273304 Apparatus and method for trimming an output parameter of an electronic ballast
11/05/2009US20090273301 LED Driving Arrangement
11/05/2009US20090273300 Variable Intensity LED Illumination System
11/05/2009US20090273299 Apparatus and Method for Controlling the Filament Voltage in an Electronic Dimming Ballast
11/05/2009US20090273298 Field emission apparatus and driving method thereof
11/05/2009US20090273297 Power factor correction and driver circuits
11/05/2009US20090273296 Multiple-input electronic ballast with processor
11/05/2009US20090273295 Striking and open lamp regulation for ccfl controller
11/05/2009US20090273294 Flat discharge lamp and production method thereof
11/05/2009US20090273286 Multiple-input electronic ballast with processor
11/05/2009US20090273285 Protection for external electrode fluorescent lamp system
11/05/2009US20090273283 Voltage fed programmed start ballast
11/05/2009DE202008008165U1 Betriebsgerät für Gasentladungslampen oder andere Leuchtmittel mit Lampenstrommessung Operating device for gas discharge lamps or other light sources with lamp current measurement
11/05/2009DE102008021351A1 Verfahren zum Betreiben einer Entladungslampe sowie Beleuchtungssystem mit einer Entladungslampe A method for operating a discharge lamp, and lighting system having a discharge lamp
11/05/2009DE102008019158B3 Coding element e.g. adapter plug, for fluorescent lamp of lighting device, has electrical component accommodated in or at insulator body and connected with contact pins to signalize ballast with electrical characteristics
11/05/2009CA2722133A1 Voltage fed programmed start ballast
11/04/2009EP2114110A1 Dimmable control circuit
11/04/2009EP1985159B1 Circuit arrangement for providing an operating dc voltage
11/04/2009CN201341267Y 灯光亮度调节装置 Lighting brightness adjustment device
11/04/2009CN201341266Y High-performance fluorescent lamp electronic ballast
11/04/2009CN201341265Y High-frequency electronic ballast of Xenon lamp
11/04/2009CN201341264Y Integrated driver for high-frequency electrode free lamp
11/04/2009CN201341263Y Lamp power supply circuit
11/04/2009CN201341262Y Multi-lamp-tube backlighting system and protecting device thereof
11/04/2009CN201341261Y Illuminating control integrated circuit
11/04/2009CN201341086Y Multistage electric inductance combined type power supply EMI filter
11/04/2009CN201340502Y Liquid crystal display device with transducer
11/03/2009US7612528 Vehicle interface
11/03/2009CA2495809C Fluorescent lamp tube
11/03/2009CA2305125C Circuit arrangement with half-bridge
10/2009
10/29/2009WO2009130994A1 High voltage discharge lamp lighting device and light fixture
10/29/2009WO2009130861A1 Inverter device
10/29/2009WO2009130808A1 Power converter, discharge lamp ballast and headlight ballast
10/29/2009WO2009129860A1 Method and circuit arrangement for operating at least one discharge lamp
10/29/2009WO2009129581A1 Power control
10/29/2009WO2009110750A3 Led lighting device
10/29/2009US20090268084 Image capturing device having pulsed led flash
10/29/2009US20090267536 Fluorescent lamp driver circuit
10/29/2009US20090267534 Light emitting diode assembly
10/29/2009US20090267532 Dimmable control circuit
10/29/2009US20090267531 Arrangement for Driving LED Cells
10/29/2009US20090267530 Backlight module for displays
10/29/2009US20090267529 Circuit Arrangement and Method for the Operation of a High-Pressure Gas Discharge Lamp
10/29/2009US20090267528 Lamp driving circuit
10/29/2009US20090267521 Balancing transformers for multi-lamp operation
10/29/2009DE102008020664A1 High pressure discharge lamp i.e. halogen metal-vapor high-pressure discharge lamp, for motor vehicle, has socket comprising electromagnetic screen that is formed by electrically conducting foil, which is designed as metal foil
10/29/2009DE102008017513A1 Electronic ballast for production of continuous operation power for e.g. high pressure discharge lamp, has board exhibiting layout and fitted with circuit, where layout is used for formation of dimmable and static ballast
10/29/2009CA2722351A1 High pressure discharge lamp lighting apparatus and lighting fixture
10/29/2009CA2721230A1 Power control
10/28/2009EP2111731A1 Apparatus for driving a gas discharge lamp
10/28/2009EP2111730A1 Method for controlling a half-bridge circuit and corresponding half-bridge circuit
10/28/2009CN101569242A Method and device for driving a gas discharge lamp
10/28/2009CN101568222A Method and device for fluorescent lamp two-wire system dimming control
10/28/2009CN101568221A Indoor automatic illumination control system
10/28/2009CN101568220A Ballast circuit of fluorescent tube
10/28/2009CN101568219A Light source driving device
10/28/2009CN101568218A Stabilizer
10/28/2009CN101568217A Lamp tube power supply structure
10/28/2009CN101568216A Inverter circuit and liquid crystal display device
10/28/2009CN101568215A AC power source apparatus
10/28/2009CN100556226C High efficiency adaptable AC/DC converter
10/28/2009CN100555831C Electronic ballast
10/28/2009CN100555509C Electronic energy-saving lamp capable of changing tube body conveniently
10/28/2009CN100555484C Transformer and its manufacture method
10/27/2009US7609007 Dimmer adaptable to either two or three active wires
10/22/2009WO2009127259A1 Operating device and method for operating a high-pressure discharge lamp
10/22/2009WO2009127257A1 High-pressure discharge lamp, lighting system having a high-pressure discharge lamp, method for operation of a high-pressure discharge lamp, method for operation of a lighting system and projector for operation of a high-pressure discharge lamp
10/22/2009WO2009127252A1 Electronic ballast
10/22/2009WO2009104938A3 Lighting lamp control device, system and method
10/22/2009US20090262278 External electrode lamp, backlight unit, and liquid crystal display
10/22/2009US20090261756 Method of shutting down a high pressure discharge lamp and driving unit for driving a high pressure discharge lamp
10/22/2009US20090261752 Ballast
10/22/2009US20090261750 Encoding device for light-emitting-diode lamp, lamp, and controlled lighting system
10/22/2009US20090261749 Apparatus and method for automatically trimming an output parameter of an electronic ballast
10/22/2009US20090261747 Control system for multiple fluorescent lamps
10/22/2009US20090261745 Enhanced trip resolution voltage-controlled dimming led driving circuit
10/22/2009US20090261743 Light emitting diode driving module
10/22/2009US20090261736 Illuminating Device
10/22/2009US20090261733 Monitoring device
10/21/2009EP2111085A1 Intelligent flyback heating
10/21/2009EP2111084A1 High intensity discharge strobe light
10/21/2009EP2110006A1 Method and device for driving a gas discharge lamp
10/21/2009EP2110005A2 Method and device for driving a gas discharge lamp
10/21/2009EP1709842B1 Box for a ballast
10/21/2009CN201332536Y Intelligent dimming controlling electronic ballast
10/21/2009CN201332535Y Protective circuit and TV set with the protective circuit
10/21/2009CN201332534Y Protective circuit and TV set with the protective circuit
10/21/2009CN201332533Y High-frequency electromagnetic discharging lamp
10/21/2009CN201332532Y High-frequency electronic frequency converter of high-power parallel auto-excitation type non-polar fluorescent lamp
10/21/2009CN201332531Y DC (direct current) converting circuit