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Class Information
Number: 315/308
Name: Electric lamp and discharge devices: systems > Current and/or voltage regulation > Automatic regulation > Regulator responsive to plural conditions
Description: Systems wherein the regulating means is responsive to two or more conditions; such as, the current and the voltage of the circuit, or a condition of the load device and the current or voltage of the circuit.

Patents under this class:

Patent Number Title Of Patent Date Issued
8710770 Systems and methods for providing power and data to lighting devices Apr. 29, 2014
8710769 Discharge lamp lighting circuit Apr. 29, 2014
8710768 Algorithm for color corrected analog dimming in multi-color LED system Apr. 29, 2014
8710757 Power converter for an LED assembly and lighting application Apr. 29, 2014
8704463 Temperature control method and apparatus for light emitting diode and liquid crystal display Apr. 22, 2014
8704462 Adaptive current regulation for solid state lighting Apr. 22, 2014
8704461 Vehicle lighting device Apr. 22, 2014
8704459 Two-wire dimmer circuit for a screw-in compact fluorescent lamp Apr. 22, 2014
8692482 Circuitry to control a switching regulator Apr. 8, 2014
8692481 Dimmer-controlled LEDs using flyback converter with high power factor Apr. 8, 2014
8692469 LED drive circuit and LED illumination apparatus using the same Apr. 8, 2014
8692467 Synchronized and shortened master-slave RF pulsing in a plasma processing chamber Apr. 8, 2014
8686666 Method and device for remote sensing and control of LED lights Apr. 1, 2014
8686653 LED backlight driving method, liquid crystal display device and LED backlight driving circuit Apr. 1, 2014
8686641 Tunable LED lamp for producing biologically-adjusted light Apr. 1, 2014
8680789 Controlling a parameter of a device through qualified motion sensing Mar. 25, 2014
8680778 LED driver circuit Mar. 25, 2014
8680772 Light emitting device and electronic equipment using the same Mar. 25, 2014
8680708 Electronic apparatus Mar. 25, 2014
8674627 Isolated flyback converter for light emitting diode driver Mar. 18, 2014
8674626 LED lamp failure alerting system Mar. 18, 2014
8674617 Multiple light level electronic power converter Mar. 18, 2014
8669721 Solid state light source based lighting device and lighting system Mar. 11, 2014
8669720 Method and apparatus for a switch having a light pipe for combined LED display and light level sensing Mar. 11, 2014
8664896 Error detector in an operating device for lighting devices Mar. 4, 2014
8664895 Circuits and methods for driving light sources Mar. 4, 2014
8664893 Feedback control circuit and LED driving circuit Mar. 4, 2014
8664892 Light emitting diode system Mar. 4, 2014
8664890 LED display device providing current correction and correction method thereof Mar. 4, 2014
8664883 LED lighting device with chopper circuit and dimming control method Mar. 4, 2014
8664878 Ballast with an arc quenching circuit Mar. 4, 2014
8664864 Method and apparatus for controlling and measuring aspects of time-varying combined light Mar. 4, 2014
8659236 Circuit arrangement and method for driving an electrical load Feb. 25, 2014
8659233 Fluorescent lamp ballast with electronic preheat circuit Feb. 25, 2014
8653756 Electronic circuits for driving series connected light emitting diode strings Feb. 18, 2014
8653754 Current driving circuit Feb. 18, 2014
8653752 Light-emitting diode driving apparatus for suppressing harmonic components Feb. 18, 2014
8653751 LED drive circuit and LED illumination component using the same Feb. 18, 2014
8653747 Light emitting device and driving method thereof Feb. 18, 2014
8653746 Fluorescent lamp starter unit having a hot socket insert capability Feb. 18, 2014
8653740 Load control circuit Feb. 18, 2014
8653735 Backlight module of liquid crystal display device Feb. 18, 2014
8648548 Current generator Feb. 11, 2014
8648545 Reference voltage generating device, control device including the reference voltage generating device, and LED light emitting device using the control device Feb. 11, 2014
8643310 Driving circuit and optical connector having same Feb. 4, 2014
8643309 Lighting device and method for adjusting sensing region thereof Feb. 4, 2014
8643305 Apparatus for L.E.D. illumination Feb. 4, 2014
8643303 Adaptive dimmer detection and control for LED lamp Feb. 4, 2014
8643301 LED driver circuit and LED lighting device using the same Feb. 4, 2014
8643300 Power control system and method for providing an optimal power level to a designated light fixture Feb. 4, 2014

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