Circuit device and electronic apparatus

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 9154063
APP PUB NO 20140285130A1
SERIAL NO

14218610

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Importance

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Abstract

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When a counter-electromotive force generated by an inductive load is applied to the drain of a switch element, the gate of the switching element may pull the gate potential toward the direction opposite to its original potential due to capacitance coupling of the drain-gate capacitance, and this may cause a malfunction. To cope with this, a switch element that pulls the potential to the reverse direction is provided and controlled to turn on at timing at which the counter-electromotive force is applied.

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Patent Owner(s)

  • SEIKO EPSON CORPORATION

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Inoue, Katsumi Shiojiri, JP 47 454

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