| Patents for H05B 41 - Circuit arrangements or apparatus for igniting or operating discharge lamps (35,100) |
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| 09/10/2008 | EP1698210B1 Apparatus and method for producing variable intensity of light |
| 09/10/2008 | EP1579545A4 Electronic ballast with dc output flyback converter |
| 09/10/2008 | EP1499935A4 Dimmer circuit with improved ripple control |
| 09/10/2008 | EP1178710B1 Electric discharge lamp starter and lighting system |
| 09/10/2008 | CN201114964Y Adjustable electronic fluorescent lamp |
| 09/10/2008 | CN201114963Y Electronic dimmer |
| 09/10/2008 | CN201114962Y Touch switch light adjuster |
| 09/10/2008 | CN201114961Y Light control adjuster |
| 09/10/2008 | CN201114960Y Intelligent light compensator |
| 09/10/2008 | CN201114959Y Light adjustable fluorescent lamp device used together with phase adjuster |
| 09/10/2008 | CN201114958Y Lamp power remote control system |
| 09/10/2008 | CN201114957Y Classroom lighting power energy saving controller |
| 09/10/2008 | CN201114956Y Digital control crystal tube lighting power saver |
| 09/10/2008 | CN201114955Y An automatic photoelectrical controller for control lighting device |
| 09/10/2008 | CN201114954Y Circuit device for half-bridge reversion fluorescent lamp |
| 09/10/2008 | CN201114953Y A fluorescent lamp circuit device |
| 09/10/2008 | CN201114952Y Driving circuit for voltage current lamp tube |
| 09/10/2008 | CN201114951Y An electronic ballast for fluorescent lamp |
| 09/10/2008 | CN201114950Y Lamp cover cold cathode decoration lamp |
| 09/10/2008 | CN201114949Y Ballast |
| 09/10/2008 | CN201114948Y Self-activated half-bridge conversion circuit |
| 09/10/2008 | CN201114947Y Rear light module and its converter circuit |
| 09/10/2008 | CN201114946Y Dual vertical tube electronic ballast |
| 09/10/2008 | CN201114945Y Electronic ballast for high-voltage discharging lamp |
| 09/10/2008 | CN201114944Y Electronic ballast for high-voltage sodium lamp |
| 09/10/2008 | CN201114943Y Electronic ballast for high-intensity gas discharging lamp controlled by digital PID constant power |
| 09/10/2008 | CN201114942Y Trigger circuit for xenon lamp |
| 09/10/2008 | CN201114941Y Intelligent energy-saving street lamp control system |
| 09/10/2008 | CN201114940Y Electronic ballast for HID flashlight |
| 09/10/2008 | CN201114939Y A mobile lighting device with hot restart function |
| 09/10/2008 | CN201114938Y Electronic ballast with protection function |
| 09/10/2008 | CN201114937Y Constant power high-voltage gas discharger |
| 09/10/2008 | CN201114936Y Lamp tube driving circuit |
| 09/10/2008 | CN201114935Y Peak current control constant power circuit for electronic ballast |
| 09/10/2008 | CN201114934Y Novel high-intensity gas discharging electronic ballast |
| 09/10/2008 | CN201114933Y Excited electronic ballast |
| 09/10/2008 | CN201114932Y An intelligent lighting voltage-regulating power saver |
| 09/10/2008 | CN201114931Y Electronic ballast for small power metal halogen lamp |
| 09/10/2008 | CN201114930Y Daylight electronic starter |
| 09/10/2008 | CN201114929Y Daylight lamp ballast |
| 09/10/2008 | CN201114928Y Accumulator supplied electronic fluorescent lamp protector |
| 09/10/2008 | CN201114927Y Lamp tube current balance control circuit |
| 09/10/2008 | CN201114926Y Electronic startup converter |
| 09/10/2008 | CN201114925Y Electronic ballast for external electrode fluorescent lamp |
| 09/10/2008 | CN201114924Y Novel energy-saving quick startup fluorescent lamp ballast |
| 09/10/2008 | CN201114923Y Relay for high-frequency circuit and electronic ballast using this relay |
| 09/10/2008 | CN201114922Y Daylight lamp without ballast |
| 09/10/2008 | CN201114921Y Electronic combined daylight lamp |
| 09/10/2008 | CN201114920Y Efficient electronic ballast for multi-lamp tube |
| 09/10/2008 | CN201114919Y HID lamp electronic ballast |
| 09/10/2008 | CN201114918Y Load close status flickering and surge adapter for eliminating high resistance |
| 09/10/2008 | CN201114915Y A control device for intelligent voltage detection of solar street lamp |
| 09/10/2008 | CN201114914Y An intelligent load detection control device for solar street lamp |
| 09/10/2008 | CN201114889Y Bright-dark shading lamp |
| 09/10/2008 | CN201114881Y A power controller for flush lamp group |
| 09/10/2008 | CN201114876Y A control device for intelligent recognition power of solar street lamp |
| 09/10/2008 | CN201114875Y A control device for intelligent setup program of solar street lamp |
| 09/10/2008 | CN201114873Y A single fire line circuit and remote control single fire line switch control device |
| 09/10/2008 | CN201112341Y Energy-saving lamp for accelerating plants growth |
| 09/10/2008 | CN201112338Y Integral type ring fluorescent lamp tube |
| 09/10/2008 | CN201112326Y Single-end fluorescent lamp |
| 09/10/2008 | CN101263747A Method for operating a high-intensity discharge lamp, lamp driver and projection system |
| 09/10/2008 | CN101263746A Lamp drive circuit |
| 09/10/2008 | CN101263648A Controlled class-E DC-AC converter |
| 09/10/2008 | CN101262732A Lamp tube driving method |
| 09/10/2008 | CN101262731A Fluorescent tube driving method and apparatus |
| 09/10/2008 | CN101262730A Self-adapted sliding frequency trigger ignition method for high-voltage gas discharging lamp electronic rectifier |
| 09/10/2008 | CN101261925A A luminescent method for microwave non-pole ultrasonic light source, device and application |
| 09/10/2008 | CN101259998A Nickel-zinc-ferrite material used for high-frequency non-polar lamp power coupler and preparation method thereof |
| 09/09/2008 | US7423890 Push-pull converter, in particular for driving cold-cathode fluorescent lamps |
| 09/09/2008 | US7423688 Lighting control apparatus |
| 09/09/2008 | US7423386 Power supply circuits and methods for supplying stable power to control circuitry in an electronic ballast |
| 09/09/2008 | US7423384 Lamp voltage feedback system and method for open lamp protection and shorted lamp protection |
| 09/04/2008 | WO2008105193A1 Lamp malfunction detecting device and inverter equipped with the same, back lighting device and display device |
| 09/04/2008 | WO2008104461A1 Evaluation device for the ignition energy of a discharge lamp |
| 09/04/2008 | WO2008104457A1 Device for measuring the current of a discharge lamp |
| 09/04/2008 | WO2008104431A1 Circuit arrangement and method for adapting the output of high-pressure discharge lamps |
| 09/04/2008 | WO2008068667A3 Flashlight with high-pressure mercury discharge lamp |
| 09/04/2008 | WO2007141240A3 High-pressure discharge lamp with an improved starting capability, as well as a high-voltage pulse generator |
| 09/04/2008 | US20080211834 Device and method of driving light source in display device |
| 09/04/2008 | US20080211461 Capacitor charging circuit, flash unit, and camera |
| 09/04/2008 | US20080211430 Remote control of electronic light ballast and other devices |
| 09/04/2008 | US20080211427 Lighting System and Method for Controlling a Lighting System |
| 09/04/2008 | US20080211426 Lamp Current Balancing Topologies |
| 09/04/2008 | US20080211425 Automotive hid headlamp ballast control ic |
| 09/04/2008 | US20080211424 Multi-discharge tube lighting apparatus |
| 09/04/2008 | US20080211423 Multiple-Light Discharge Lamp Lighting Device |
| 09/04/2008 | US20080211422 Halogen Lamp |
| 09/04/2008 | US20080211421 Light Emitting Device For Ac Power Operation |
| 09/04/2008 | US20080211420 Short arc lamp driver and applications |
| 09/04/2008 | US20080211418 Inverter circuit with single sampling unit and liquid crystal display with same |
| 09/04/2008 | US20080211417 Stepless Dimming Fluorescent Lamp and Ballast Thereof |
| 09/04/2008 | US20080211377 Light source appasratus and backlight module |
| 09/04/2008 | US20080211305 Circuit structure for driving a plurality of cold cathode fluorescent lamps |
| 09/04/2008 | DE202008008297U1 Schaltungsanordnung zum Betrieb einer oder mehrerer Niederdruckentladungslampen Circuit arrangement for operating one or more low-pressure discharge lamps |
| 09/04/2008 | DE202007006518U1 Energiesparleuchtensystem für Niedervolt-Seil- oder -Stangensysteme Energy saving light system for low-voltage cable or -Stangensysteme |
| 09/04/2008 | DE102007009736A1 Circuit arrangement for adapting output of high-pressure gas discharge lamps, has electronic switch that is connected in parallel to lamp, and parallel connection is arranged in series fo reactance coil |
| 09/03/2008 | EP1965613A1 Image display apparatus and method of controlling over-current therefor |
| 09/03/2008 | EP1965612A1 Discharge lamp lighting device and image display device |
| 09/03/2008 | EP1965611A1 Stepless dimming fluorescent lamp and ballast thereof |