| Patents for H05B 39 - Circuit arrangements or apparatus for operating incandescent light sources and not adapted to a particular application (6,420) | 
|---|
| 01/09/2013 | CN202663624U Universal acousto-optic control circuit | 
| 01/08/2013 | US8350500 Solid state lighting devices including thermal management and related methods | 
| 01/08/2013 | US8350487 Switch circuit | 
| 01/08/2013 | US8350485 Modular LED light bulb | 
| 01/08/2013 | CA2627819C Electronic control systems and methods | 
| 01/02/2013 | EP2542034A1 Dimmer switch for phase angle method | 
| 01/02/2013 | CN102860134A Method and apparatus for detecting presence of dimmer and controlling power delivered to solid state lighting load | 
| 01/02/2013 | CN101730336B 照明灯节能控制系统 Energy-saving lighting control systems | 
| 01/01/2013 | US8345034 Address drive circuit and plasma display apparatus | 
| 01/01/2013 | US8344666 Circuit for and method of implementing a configurable light timer | 
| 01/01/2013 | US8344651 Light control apparatus and lighting appliance using the same | 
| 12/27/2012 | DE102011105444A1 Dimmer-Schaltung für das Phasenanschnitt-Verfahren Dimmer circuit for phase control method | 
| 12/26/2012 | EP2537242A1 Dynamic application of cut-out pulses in alternating current power | 
| 12/25/2012 | US8339068 LED brightness control by variable frequency modulation | 
| 12/25/2012 | US8339051 Electronic flash unit and manufacturing method thereof | 
| 12/19/2012 | CN202617441U Intelligent building illumination monitoring device | 
| 12/18/2012 | US8334662 Adaptive switch mode LED driver | 
| 12/18/2012 | US8334660 Light source driving circuit with low operating output voltage | 
| 12/18/2012 | US8334658 Dimmer-disabled LED driver | 
| 12/13/2012 | WO2012167693A1 Light dimming control device for led illumination | 
| 12/11/2012 | US8330396 Starting device with two input poles | 
| 12/11/2012 | US8330394 Light source of LED and method for producing light source with varying color while dimming | 
| 12/11/2012 | US8330381 Electronic circuit for DC conversion of fluorescent lighting ballast | 
| 12/11/2012 | US8330376 System and apparatus for cathodoluminescent lighting | 
| 12/05/2012 | CN102811532A Electronic device capable of simulating ignited flame | 
| 12/05/2012 | CN101697426B 车辆接口 Vehicle Interface | 
| 12/04/2012 | US8324840 Apparatus, method and system for providing AC line power to lighting devices | 
| 12/04/2012 | US8324828 High-pressure discharge lamp lighting device, high pressure discharge lamp apparatus using this, projector using the high-pressure discharge lamp apparatus, and high-pressure discharge lamp lighting method | 
| 12/04/2012 | US8324823 AC LED dimmer and dimming method thereby | 
| 12/04/2012 | US8324822 System and method for dimmable constant power light driver | 
| 12/04/2012 | US8324820 Capacitor shunted LED light string | 
| 12/04/2012 | US8324813 Electronic ballast with frequency independent filament voltage control | 
| 12/04/2012 | US8324812 Protecting ballast circuitry against miswiring | 
| 11/28/2012 | CN101702859B Lamp cup type cold light lamp control system capable of adjusting light one by one | 
| 11/27/2012 | US8319453 Electronic operating device having an output network for operating at least one discharge lamp | 
| 11/27/2012 | US8319434 OLED illumination device with integrated proximity sensor | 
| 11/27/2012 | US8319433 LED-based lighting system for retrofitting fluorescent lighting fixtures in a transit vehicle | 
| 11/21/2012 | CN202551473U Automatic lighting controller adopting double D-type flip-flops | 
| 11/21/2012 | CN102791060A Intelligent electrical devices | 
| 11/20/2012 | US8314567 Display apparatus | 
| 11/20/2012 | US8313211 Portable lamp bank and lens assembly for use therewith | 
| 11/15/2012 | WO2012063149A3 Methods for disaggregated sensing of artificial light and daylight distribution | 
| 11/14/2012 | CN202535618U Modular radio remote control four-way lamp | 
| 11/14/2012 | CN1794892B Device for regulating ligth of stage illumination lamp | 
| 11/14/2012 | CN102783249A Controllable retrofit LED lamps and lighting system having an LED lamp | 
| 11/13/2012 | US8310169 Power conversion driving circuit and fluorescent lamp driving circuit | 
| 11/13/2012 | US8310164 Multi-lamp driving system | 
| 11/13/2012 | US8309901 Display device adjusting luminance of display based at least on detections by ambient light sensors | 
| 11/13/2012 | US8308317 Surface light source structure of backlight module in a flat panel display | 
| 11/07/2012 | CN102769982A MR16 power supply adapted to all halogen lamp transformers | 
| 11/07/2012 | CN101895212B Method for supplying power to control circuit of power control device | 
| 11/06/2012 | US8305014 Lighting control using scan and step change | 
| 11/06/2012 | US8305010 Light-emitting diode lighting device with step-down chopper | 
| 11/06/2012 | US8305008 Constant-current controller for LED light string | 
| 11/01/2012 | WO2012146393A1 Electronic ballast for an illumination device | 
| 11/01/2012 | WO2012145775A1 Device for controlling an illumination device | 
| 10/31/2012 | EP2517076A1 Electrical circuit for switching and/or dimming loads | 
| 10/31/2012 | DE102011100003A1 Elektronisches Vorschaltgerät für ein Beleuchtungsgerät Electronic ballast for a lighting device | 
| 10/31/2012 | DE102011100002A1 Vorrichtung zur steuerung eines beleuchtungsgeräts Device for controlling a lighting apparatus | 
| 10/31/2012 | CN101427611B Load control device having a variable drive circuit | 
| 10/25/2012 | US20120268041 Lighting system | 
| 10/24/2012 | CN202503755U Controller for soft starting of high-power bulb | 
| 10/24/2012 | CN202503754U Timing lighting power-saving lamp | 
| 10/24/2012 | CN202503753U Timing power-saving halogen lamp bank | 
| 10/24/2012 | CN202503752U Solar energy light-operated halogen lamp bank capable of automatic turning on and off | 
| 10/24/2012 | CN202503751U Solar energy automatic timing halogen lamp bank | 
| 10/24/2012 | CN202503722U One-button module wireless remote control two-path lamp | 
| 10/24/2012 | CN102752945A Emergency lighting device | 
| 10/24/2012 | CN102752944A Energy-saving electronic time delay lamp | 
| 10/24/2012 | CN102752943A Program-controlled sine wave dimmer based on double Z-type network | 
| 10/24/2012 | CN102752900A Method for controlling auxiliary source circuit of two-line light modulator | 
| 10/23/2012 | US8294389 Thermally efficient liquid motion lamp | 
| 10/23/2012 | US8294387 Backlight device and display device using the same for adjusting color tone of illumination light | 
| 10/23/2012 | US8294374 Systems and methods for copying lighting conditions using light-wave identification | 
| 10/23/2012 | US8294373 Illumination apparatus and control device for controlling the illumination apparatus | 
| 10/18/2012 | WO2012084946A3 Power supply circuit for full-wave low voltages, and corresponding electronic circuit | 
| 10/17/2012 | EP2510748A1 Driver for a solid state lamp | 
| 10/17/2012 | EP2510747A2 Controllable retrofit led lamps and lighting system having an led lamp | 
| 10/17/2012 | CN202496124U Incandescent lighting shift regulator | 
| 10/16/2012 | US8288956 Lamp preheat circuit for a program start ballast with filament voltage cut-back in steady state | 
| 10/16/2012 | US8288954 Primary-side based control of secondary-side current for a transformer | 
| 10/16/2012 | US8288952 Intelligent user interface including a touch sensor device | 
| 10/16/2012 | US8287147 LED based omni-directional light engine | 
| 10/09/2012 | US8283875 Holding current circuits for phase-cut power control | 
| 10/09/2012 | US8283874 LED lighting system having a reduced-power usage mode | 
| 10/02/2012 | US8278831 LED driver circuit and method, and system and method for estimating the junction temperature of a light emitting diode | 
| 10/02/2012 | US8278829 Method and apparatus for reducing radiation from a light fixture | 
| 09/27/2012 | WO2012128794A1 Trailing edge dimmer compatibility with dimmer high resistance prediction | 
| 09/26/2012 | EP2502465A1 Method and apparatus for detecting dimmer phase angle and selectively determining universal input voltage for solid state lighting fixtures | 
| 09/26/2012 | CN101684901B Inductively powered apparatus | 
| 09/25/2012 | US8274233 Load control device having a visual indication of energy savings and usage information | 
| 09/19/2012 | CN202444654U Automobile reading lamp circuit | 
| 09/18/2012 | US8269716 Liquid crystal display and overheat protection method thereof | 
| 09/18/2012 | US8269433 Circuit arrangement and method for operating a discharge lamp | 
| 09/18/2012 | US8269429 Apparatus for driving light emitting device | 
| 09/12/2012 | CN102668717A Method and apparatus for detecting dimmer phase angle and selectively determining universal input voltage for solid state lighting fixtures | 
| 09/11/2012 | US8264171 In-situ LED junction temperature monitoring using LED as temperature sensor | 
| 09/11/2012 | US8264166 Amp control system by controlling outputs of a buck DC-DC converter | 
| 09/11/2012 | US8264161 Lighting apparatus for high-voltage discharge lamp | 
| 09/05/2012 | EP2496058A2 Illumination system |