Switching power supply

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United States of America Patent

PATENT NO 8977157
APP PUB NO 20120301172A1
SERIAL NO

13474329

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ATTORNEY / AGENT: (SPONSORED)

Importance

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Abstract

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A switching power supply includes a transformer, a switching unit configured to switch a voltage input to the primary side of the transformer, a control unit configured to control the operation of the switching unit, and a detection unit configured to detect as a voltage a current flowing through the primary side of the transformer and supply the voltage to the control unit, wherein the detection unit controls the voltage to be supplied to the control unit based on the operating state of the switching unit.

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First Claim

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Patent Owner(s)

  • CANON KABUSHIKI KAISHA

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Odate, Takashi Tokyo, JP 9 27
Samejima, Keisuke Suntou-gun, JP 12 107

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