Featured patents

Close Control of Electric Power Converters
US 08787053 B2, July 22, 2014, In transistor inverter systems, Eric Laboure et al. / Thales (Neuilly-sur-Seine, FR)
A close control comprising:…

Three-Phase Buck-Boost Power Factor Correction Circuit and Controlling Method Thereof
US 08717789 B2, May 6, 2014, Having plural converters for single conversion, Zhijian Zhou et al. / Delta Electronics, Inc. (Taoyuan Hsien, TW)
A three-phase buck-boost power factor correction (PFC) circuit, comprising:…

Optimization of a Power Converter Employing an LLC Converter
US 08681513 B2, March 25, 2014, For resonant-type converter, Raghothama Reddy / General Electric Company (Schenectady, US)
A power converter, comprising:…

Switching Power Supply Apparatus
US 08582326 B2, Nov. 12, 2013, Having digital logic, Takashi Hara et al. / Murata Manufacturing Co., Ltd. (Kyoto, JP)
A switching power supply apparatus comprising:…

Single-Stage High-Voltage Power Supply With High Efficiency and Low Network Distortion
US 08564979 B2, Oct. 22, 2013, For flyback-type converter, Claudio Capogna / Thales (Neuilly sur Seine, FR)
A high-voltage (HV) power supply intended to be connected, by a network input…

Switching Mode Power Supply for Reducing Power Consumption in a Waiting Mode
US 08488341 B2, July 16, 2013, Having feedback isolation, Sang Min Kim et al. / Smart Power Solutions, Inc. (Daejon, KR)
A switching mode power supply (SMPS) comprising a rectifying unit transforming…

Semiconductor Device Using DC/DC Converter
US 08488347 B2, July 16, 2013, Transistor inverter, Masafumi Ito / Semiconductor Energy Laboratory Co., Ltd. (Atsugi-shi, Kanagawa-ken, JP)
A semiconductor device comprising:…

Flyback Power Supply System
US 08467202 B2, June 18, 2013, For flyback-type converter, Hung-Yi Chen et al. / Ampower Technology Co., Ltd. (Jhongli, Taoyuan County, TW)
A flyback power system, comprising a rectifier and filter circuit, a pulse width…

Converter With Short-Circuit Current Limiting
US 08462530 B2, June 11, 2013, Bridge type, Jörg Lang et al. / Siemens Aktiengesellschaft (Munich, DE)
A device for converting an electric current, the device comprising:…

Method and Apparatus for a Power Conversion Device
US 08456873 B2, June 4, 2013, For high voltage D.C. transmission systems, Rudolf Wegener / Hewlett-Packard Development Company, L.P. (Houston, US)
A method for operating a power conversion device comprising:…

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