Alternating current chopper circuit with low noise

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United States of America Patent

PATENT NO 8547053
APP PUB NO 20120126734A1
SERIAL NO

13069432

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Abstract

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An alternating current chopper circuit with low noise is disclosed. The circuit includes a switching circuit, a first freewheel circuit, and a second freewheel circuit. The switching circuit has a control switching unit, which turns on and or off accordingly to a control signal. The first freewheel circuit and the second freewheel circuit are for providing a current-conducting path to the motor, when the control switching unit is turned off.

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Patent Owner(s)

Patent OwnerAddress
NATIONAL FORMOSA UNIVERSITYNO 64 WEN-HUA RD HU-WEI JEN YUN-LIN HSIEN

International Classification(s)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Chang, Chin-Hsiung Taichung, TW 52 779
Chen, Yu-Kai Chiayi, TW 68 379

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