Capacitance detection device

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United States of America Patent

PATENT NO 9448255
APP PUB NO 20150233972A1
SERIAL NO

14331927

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Abstract

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According to one embodiment, a capacitance detection device includes a switched capacitor amplifying circuit including a variable capacitor and a reference capacitor, and a voltage applying circuit configured to apply, to the switched capacitor amplifying circuit, a reference voltage having a temperature characteristic for compensating fluctuation in an output voltage of the switched capacitor amplifying circuit due to a temperature characteristic of capacitance of the variable capacitor.

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Patent Owner(s)

  • KABUSHIKI KAISHA TOSHIBA

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Deguchi, Jun Kawasaki, JP 65 426
Ono, Daiki Yokohama, JP 22 42

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