Circuit device and electronic device

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 9362847
APP PUB NO 20150097599A1
SERIAL NO

14503933

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ATTORNEY / AGENT: (SPONSORED)

Importance

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Abstract

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The invention provides a motor driver including pre-drivers for a bridge circuit, delay circuits, and a delay setting register, wherein in order to suppress short-circuit current caused at the time of signal switching in the bridge circuit, the delay circuits are set based on delay time information in the delay setting register so as to control signals input into the pre-drivers. The signals input into the individual pre-drivers are delayed differently by the delay circuits based on the delay time information in the delay setting register, thereby preventing a short-circuit current flow caused by an offset in the timing of the individual pre-drivers being turned on and off.

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First Claim

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Patent Owner(s)

  • SEIKO EPSON CORPORATION

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Tomohara, Kiyohide Chino, JP 5 40

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