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Class Information
Number: 315/291
Name: Electric lamp and discharge devices: systems > Current and/or voltage regulation
Description: Systems which include means to regulate the current and/or voltage supplied to the load device.

Sub-classes under this class:

Class Number Class Name Patents
315/307 Automatic regulation 3,483
315/302 Current generator control 80
315/292 Keyboard operated or pattern controlled regulator 161
315/294 Plural load device regulation 640
315/299 Plural regulators 146
315/293 Pre-selectable regulator systems 79
315/306 Regulator in shunt to the load device 66

Patents under this class:

Patent Number Title Of Patent Date Issued
8710766 LED driving circuit, LED illumination appliance, LED illuminator, and LED illumination system Apr. 29, 2014
8710762 DC/DC converter, power supply circuit, and semiconductor device Apr. 29, 2014
8710759 LED illumination control using a simple digital command structure Apr. 29, 2014
8710750 Light source lighting device including a constant-current supply that is connected to a light source and supplies a constant current of a substantially constant magnitude to the light source, Apr. 29, 2014
8710749 Semiconductor device Apr. 29, 2014
8710748 Illumination apparatus 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
8704458 Light emitting system capable of color temperature stabilization Apr. 22, 2014
8704456 Regulation of wavelength shift and perceived color of solid state lighting with intensity variation Apr. 22, 2014
8704455 Average output current estimation using primary-side sensing Apr. 22, 2014
8692481 Dimmer-controlled LEDs using flyback converter with high power factor Apr. 8, 2014
8692479 Method of controlling a ballast, a ballast, a lighting controller, and a digital signal processor Apr. 8, 2014
8692477 Method and circuit for detecting short circuit in an asynchronous DC-DC boost converter Apr. 8, 2014
8692476 Boost circuit for LED backlight driver circuit Apr. 8, 2014
8686666 Method and device for remote sensing and control of LED lights Apr. 1, 2014
8686662 Timed supercapacitor charge-up and emergency illumination Apr. 1, 2014
8686661 LED dimming method and LED dimming system Apr. 1, 2014
8686659 Multiple lamp lighting level ballast for series connected lamps Apr. 1, 2014
8686653 LED backlight driving method, liquid crystal display device and LED backlight driving circuit Apr. 1, 2014
8686648 Lighting applications with light transmissive optic contoured to produce tailored light output distribution Apr. 1, 2014
8686642 Stabilized high brightness LED suitable as calibration standard Apr. 1, 2014
8686458 Power light emitting diode and method with current density operation Apr. 1, 2014
8680889 Light emitting diode and integrated package therefor Mar. 25, 2014
8680789 Controlling a parameter of a device through qualified motion sensing Mar. 25, 2014
8680786 Method and apparatus for common use of power supply and display apparatus using the same Mar. 25, 2014
8680784 Dimmable offline LED driver Mar. 25, 2014
8680782 Light-emitting diode driving apparatus Mar. 25, 2014
8680781 Circuit and method for driving LEDs Mar. 25, 2014
8680780 LED backlight driving circuit, backlight module, and LCD device Mar. 25, 2014
8680779 Power interface with LEDs for a TRIAC dimmer Mar. 25, 2014
8680778 LED driver circuit Mar. 25, 2014
8680777 Versatile zero-voltage switch resonant inverter for industrial dielectric barrier discharge generator applications Mar. 25, 2014
8680776 Lighting device including a fast start circuit for regulating power supply to a PFC controller Mar. 25, 2014
8680775 Lighting driver circuit and light fixture Mar. 25, 2014
8680708 Electronic apparatus Mar. 25, 2014
8677156 Image forming apparatus Mar. 18, 2014
8674627 Isolated flyback converter for light emitting diode driver Mar. 18, 2014
8674626 LED lamp failure alerting system Mar. 18, 2014
8674621 Constant current control circuit with multiple outputs for LED driver Mar. 18, 2014
8674620 Multi channel LED driver Mar. 18, 2014
8674617 Multiple light level electronic power converter Mar. 18, 2014
8674609 Two-terminal current controller and related LED lighting device Mar. 18, 2014
8669720 Method and apparatus for a switch having a light pipe for combined LED display and light level sensing Mar. 11, 2014
8669719 Light-emitting system having a luminous flux control device Mar. 11, 2014
8669718 Lighting device and illumination apparatus using same Mar. 11, 2014
8669717 Exterior illumination and emergency signaling system and related methods Mar. 11, 2014
8669716 Wireless light bulb Mar. 11, 2014
8669715 LED driver having constant input current Mar. 11, 2014

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