Patents
Patents for H05B 41 - Circuit arrangements or apparatus for igniting or operating discharge lamps (35,100)
08/2007
08/02/2007US20070176566 Inverter with dimming function
08/02/2007US20070176565 Power supply apparatus for discharge lamp and control method for the same
08/02/2007DE102004037021B4 Verfahren zum Betreiben einer eine Kaltkathodenfluoreszenzlampe aufweisenden Flüssigkristallanzeigevorrichtung und Treiberschaltkreis hierfür Method for operating a cold cathode fluorescent lamp having the liquid crystal display device and driving circuit therefor
08/02/2007DE10116253B4 Scheinwerfer für Fahrzeuge Headlights for vehicles
08/02/2007CA2637596A1 Solid-state, color-balanced backlight with wide illumination range
08/02/2007CA2636442A1 A protection device for electronic converters, related converter and method
08/01/2007EP1814368A2 High voltage discharge lamp device
08/01/2007EP1814367A1 Backlight inverter and its driving method
08/01/2007EP1814214A1 Discharge lamp lighting device, and lighting equipment and lighting system using the device
08/01/2007EP1813135A1 Circuit arrangement for operating a high pressure discharge lamp
08/01/2007EP1813019A1 Operating device for an illuminating means, comprising an adaptive analog-to-digital converter
08/01/2007EP1604546A4 High intensity discharge lamp ballast circuit
08/01/2007EP1410694B1 A load conditioner
08/01/2007EP1308069B1 Interface circuit and method for dimming a fluorescent lamp
08/01/2007EP1057379B1 A method and apparatus for lamp control
08/01/2007CN2930192Y Intelligent road lamp power saving device
08/01/2007CN2930191Y AC-to-DC current tramsformer power source with power factor regulating function for lamp
08/01/2007CN2930190Y Back exciting ballast for fluorescence lamp
08/01/2007CN2930186Y Power saving controller for road lamp
08/01/2007CN2929467Y Flash color lamp
08/01/2007CN1329738C Electron device having brightness indicating driving circuit
08/01/2007CN101010992A Fluorescent ballast controller IC
08/01/2007CN101010761A Pull out air gap switch for wallbox-mounted dimmer
08/01/2007CN101009967A Light-adjusting mode selection circuit and driving device of the discharging lamp using the same
08/01/2007CN101009966A Charging device and method of the flashlight
08/01/2007CN101009965A Discharge lamp igniting device
08/01/2007CN101009964A RF excitation device of the LVD Hg lamp
08/01/2007CN101009963A The system and method for wide-range analog voltage processing of the cold cathode fluorescent lamp
08/01/2007CN101009962A Backlight power device of the LCD panel
08/01/2007CN101009471A Conversion circuit utilizing the pushing pulse wave controller to drive the full-bridge current conversion
08/01/2007CN101009194A High output fluorescent lamp with improved phosphor layer
07/2007
07/31/2007US7250743 Voltage control system
07/31/2007US7250731 Primary side current balancing scheme for multiple CCF lamp operation
07/31/2007US7250726 Systems and methods for a transformer configuration with a tree topology for current balancing in gas discharge lamps
07/26/2007WO2007083618A1 Discharge lamp lighting device and lighting fixture
07/26/2007US20070171684 Dc-ac converter controller, ic therefor, and electronic apparatus utilizing such dc-ac converter
07/26/2007US20070171681 Adaptive inductive power supply
07/26/2007US20070170875 Light emitting means with an integrated measuring module and measuring composition module for light emitting means
07/26/2007US20070170874 Light emitting diode drive apparatus
07/26/2007US20070170873 High-pressure discharge lamp lighting device and lighting fixture
07/26/2007US20070170872 Control device for multiple lamp currents of liquid crystal display backlight source
07/26/2007US20070170871 Control device for multiple lamp currents of liquid crystal display backlight source
07/26/2007US20070170869 Electronic flash unit and manufacturing method thereof
07/26/2007DE102007002731A1 Lichtstromkreis Lighting circuit
07/26/2007DE10044428B4 Entladungslampenvorrichtung für Fahrzeuge Discharge lamp device for vehicles
07/25/2007EP1811818A2 Improvements in and relating to intense pulsed light devices
07/25/2007EP1811817A1 Electronic ballast for fluorescent lamp
07/25/2007EP1811816A1 A protection device for electronic converters, related converter and method
07/25/2007EP1811815A1 Multiple discharge lamp lighting device
07/25/2007EP1810551A1 Electronic ballast with remote capacitor placement
07/25/2007CN2927601Y Electronic ballast of T5 fluorescent tube
07/25/2007CN2927600Y Prehating starting circuit of electronic ballast for fluorescent light
07/25/2007CN2927599Y Voltage signal outputting circuit, ballast and illuminator
07/25/2007CN2927598Y Circuit arrangement for fluorescent light
07/25/2007CN1328933C Discharge light ignitor
07/25/2007CN101006756A Power control of a fluorescent lamp
07/25/2007CN101006405A Method and system for enhanced dimming resolution in a light ballast through use of multiple control frequencies
07/25/2007CN101005726A High-pressure discharge lamp and method for controlling a high-pressure discharge lamp
07/25/2007CN101005725A 点亮电路 Lighting circuit
07/25/2007CN101005724A Discharging lamp driver
07/25/2007CN101005005A Electric fluorescent starter and its manufacture method
07/25/2007CN101004969A Transformer and driving circuit using said transformer
07/25/2007CN101002551A Intelligent electronic luminous float
07/24/2007US7248488 DC-AC converter, and method for supplying AC power
07/24/2007US7248459 Integrated multi-capacitor network
07/24/2007US7247998 Transient detection of end of lamp life condition apparatus and method
07/24/2007US7247997 Electroluminescent lamp driving circuit and method
07/24/2007US7247996 Projector
07/24/2007US7247994 Methods and apparatuses for mounting a wireless network component to a fluorescent light
07/19/2007WO2007049205A3 Method and circuit for driving gas discharge lamps using a single inverter
07/19/2007US20070164689 Lighting circuit
07/19/2007US20070164688 Discharge lamp ignition device and projector
07/19/2007US20070164687 Discharge lamp ballast and projector
07/19/2007US20070164686 Cold-cathode fluorescent lamp multiple lamp current matching circuit
07/19/2007US20070164685 Discharge lamp lighting apparatus
07/19/2007US20070164684 IC-based low cost reliable electronic ballast with multiple striking attempts and end of lamp life protection
07/19/2007US20070164681 Sensing Light Fixture Device
07/19/2007DE102006002260A1 Hochdruckentladungslampe und Verfahren zum Ansteuern einer Hochdruckentladungslampe High-pressure discharge lamp and method for driving a high pressure discharge lamp
07/19/2007DE10133007B4 Elektronisches Vorschaltgerät für eine Entladungslampe Electronic ballast for a discharge lamp
07/18/2007EP1809081A2 Discharge lamp ignition device and projector
07/18/2007EP1809080A1 Light source device
07/18/2007EP1809079A2 High-pressure discharge lamp and method for controlling a high-pressure discharge lamp
07/18/2007EP1808055A1 Method and arrangement for monitoring a gas discharge lamp
07/18/2007EP1808054A1 Robust driver for high intensity discharge lamp
07/18/2007EP1432611B1 Control device for flashlight systems in airports
07/18/2007CN2925003Y Lamp string overcurrent protector
07/18/2007CN2925002Y 电子镇流器 Electronic Ballast
07/18/2007CN2925001Y High-performance electronic ballast for controlling electromagnetic interference
07/18/2007CN1327403C Liquid crystal display device and driving method to be used in same
07/18/2007CN101002133A 液晶显示器及其控制方法 LCD monitor and control method
07/18/2007CN101001497A Light regulating system, control device and method of fluorescent lamp
07/18/2007CN101001496A Fluid treatment system
07/18/2007CN101001495A Semi-bridge type cold cathode tube drive device
07/18/2007CN101001048A Apparatus for preventing capacitor charger from overcharging and method thereof
07/18/2007CN101000456A Discharge lamp ignition device and projector
07/18/2007CN101000234A Device and method for three dimensional optical measuring
07/17/2007US7245224 Methods and systems for diagnosing projection device failure
07/17/2007US7245091 Inverter capable of switching working frequency
07/17/2007US7245085 Lamp fault detector
07/17/2007US7245081 High-intensity discharge lamp with particular metal halide gas filling and lighting device