Sensor module

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United States of America Patent

PATENT NO 10830608
APP PUB NO 20170261337A1
SERIAL NO

15608088

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Abstract

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A detection circuit includes a charge amplifier, a calculation unit, and first and second paths. The charge amplifier converts the amount of electric charge generated by a sensor element into a voltage. The first path and the second path each connect the charge amplifier and the calculation unit. The amplification factor of the first path is higher than the amplification factor of the second path. When a voltage output from the first path is lower than a threshold voltage, the calculation unit detects a pressing force by using the output voltage. When the output voltage is equal to or higher than the threshold voltage, the calculation unit detects a pressing force by using a voltage output through the second path.

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Patent Owner(s)

Patent OwnerAddress
MURATA MANUFACTURING CO LTDKYOTO-FU 617-8555

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Yamaguchi, Yoshihiro Nagaokakyo, JP 312 4076

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