Featured patents

Low Current Solution for Illuminated Switches Using DC Operated LEDs
US 08853963 B2, Oct. 7, 2014, Current Voltage Regulation, Gregg R. Schelmetic et al. / Hubbell Incorporated (Shelton, US)
A low current illuminated switch circuit comprising:…

LED Driving Circuit
US 08816597 B2, Aug. 26, 2014, Current Voltage Regulation, Shinichi Suzuki / Minebea Co., Ltd (Nagano, JP)
An LED driving circuit for driving an LED, the circuit comprising:…

Method and System for Adjusting Light Output From a Light Source
US 08786197 B2, July 22, 2014, Load device irradiating the radiant energy responsive device, Hsin-Chieh Huang / TSMC Solid State Lighting Ltd. (Hsin-Chu, TW)
A light adjusting system comprising:…

Tunable LED Lamp for Producing Biologically-Adjusted Light
US 08866414 B2, Oct. 21, 2014, Automatic regulation, David E. Bartine et al. / Biological Illumination, LLC (Satellite Beach, US)
A tunable light-emitting diode (LED) lamp for producing biologically-adjusted…

Ballast With Control Device for Controlling the Open-Circuit Voltage
US 08760083 B2, June 24, 2014, Automatic regulation, Jianping Ying et al. / Delta Electronics (Shanghai) Co., Ltd. (Shanghai, CN
A ballast for gas discharge lamps, comprising:…

Fluorescent Dimming Ballast With Improved Efficiency
US 08581501 B2, Nov. 12, 2013, Radiant energy controlled regulation of the current supply for the load device, Bruce Roberts et al. / General Electric Company (Schenectady, US)
A dimming ballast for operating a plurality of lamps, comprising:…

Apparatus and Methods for Interactive Illumination
US 08593073 B2, Nov. 26, 2013, Current Voltage Regulation, Joseph Paradiso et al. / Massachusetts Institute of Technology (Cambridge, US)
A lighting control system comprising, in combination:…

Controlling a Current Supplied to a Load
US 08536793 B2, Sept. 17, 2013, Periodic switch in the primary circuit of the supply transformer, Radu Pitigoi-Aron et al. / Marvell World Trade Ltd. (St. Michael, BB)
A method comprising:…

Auto-Switching Triac Compatibility Circuit With Auto-Leveling and Overvoltage Protection
US 08497636 B2, July 30, 2013, Plural load device systems, Louis Robert Nerone / General Electric Company (Schenectady, US)
A circuit for powering at least one light source, comprising:…

Spotlight and Method of Lighting Up an Object
US 08456107 B2, June 4, 2013, Automatic regulation, Markus Salm / GLP German Light Products GmbH (Karlsbad, DE)
A spotlight comprising:…

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