Featured patents

Device and Method for Using High Efficiency Ballasted Lamps With Electronic Transformer
US 08853955 B2, Oct. 7, 2014, Plural load device systems, Richard Landry Gray et al. / (Saratoga, US)
A method for using a high efficiency ballasted lamp with an electronic…

Systems and Methods for Protecting Display Components From Adverse Operating Conditions
US 08829820 B2, Sept. 9, 2014, Thermal responsive regulator, Keith J. Vadas et al. / Cree, Inc. (Durham, US)
A method of protecting components in a lighting panel including a plurality…

Current-Limiting Device and Light-Emitting Diode Apparatus Containing the Same
US 08803428 B2, Aug. 12, 2014, Plural Series Connected Load Devices, Chun Teng Tseng et al. / Polytronics Technology Corp. (Hsinchu, TW)
An LED apparatus; comprising:…

Resonator Configuration for Microwave Generator
US 08796928 B2, Aug. 5, 2014, Movable tuning element, Josef Dommer / Diehl BGT Defence GmbH & Co. KG (Ueberlingen, DE)
A resonator configuration for a microwave generator, comprising:…

Switching Power Supply Device and Lighting Apparatus
US 08653743 B2, Feb. 18, 2014, Impedance or current regulator in the supply circuit, Yuji Takahashi et al. / Toshiba Lighting & Technology Corporation (Kanagawa-Ken, JP)
A switching power supply device comprising:…

Terahertz (THz) Reverse Micromagnetron
US 08624497 B1, Jan. 7, 2014, Magnetic field generating and pole structure, Andres Larraza et al. / The United States of America as represented by the Secretary of the Navy (Washington, US)
A terahertz (THz) reverse micromagnetron assembly comprising:…

LED Driver for Driving LED Lighting Device at High Frequency
US 08598797 B2, Dec. 3, 2013, Discharge device and / or rectifier in shunt to the load device, Dmitri A. Choutov et al. / Luxera, Inc. (Fremont, US)
A driver device for driving an LED lighting device comprising:…

Electronic Circuit for Driving a Fluorescent Lamp and Lighting Application
US 08610369 B2, Dec. 17, 2013, Current Voltage Regulation, Renatus Willem Clemens van der Veeken / Koninklijke Philips N.V. (Eindhoven, NL)
An electronic circuit for driving a fluorescent lamp from a periodic input…

Solid State Semiconductor LED Replacement for Fluorescent Lamps
US 08502454 B2, Aug. 6, 2013, Plural circuit elements, Laurence P. Sadwick / InnoSys, Inc (Salt Lake City, US)
An apparatus for replacing a fluorescent lamp, the apparatus comprising:…

Reducing Total Harmonic Distortion in a Power Factor Corrected Flyback Switch Mode Power Supply
US 08471488 B1, June 25, 2013, With power factor control device, Scott Rhodes et al. / Cooper Technologies Company (Houston, US)
A method of reducing total harmonic distortion (THD) in a power factor corrected…

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