Displacement detection device

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United States of America Patent

PATENT NO 12044555
APP PUB NO 20230116491A1
SERIAL NO

17960180

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Abstract

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A processing device of a displacement detection device includes an AD conversion device, a switching circuit, and an arithmetic processing unit. The AD conversion device has first and second AD conversion units. The switching circuit periodically switches between a first connection mode in which a first differential signal is AD-converted by the first AD conversion unit and a second differential signal is AD-converted by the second AD conversion unit, and a second connection mode in which the first differential signal is AD-converted by the second AD conversion unit and the second differential signal is AD-converted by the first AD conversion unit. The arithmetic processing unit outputs displacement information of a scale based on an addition average value of the first differential signals output from the first and second AD conversion units and an addition average value of the second differential signals output from the first and second AD conversion units.

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Patent Owner(s)

Patent OwnerAddress
MURATA MACHINERY LTDKYOTO JAPAN KYOTO

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Kido, Ryohei Kyoto, JP 3 2
Otomo, Kentaro Kyoto, JP 20 38
Shimizu, Tetsuya Kyoto, JP 179 1598

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