Physical quantity detecting device, electronic apparatus, and moving object
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United States of America Patent
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Jan 23, 2018
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app pub date -
Mar 23, 2015
filing date -
Mar 24, 2014
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Abstract
A physical quantity detecting device includes a vibrating element and a charge amplifier. The vibrating element includes a first detection electrode, a second detection electrode, a third detection electrode, and a fourth detection electrode. The first and fourth detection electrodes have the same electrical polarity, the second and third detection electrodes have the same electrical polarity, and the first and second detection electrodes have opposite electrical polarities. The first and fourth detection electrodes are connected to the charge amplifier, and the second and third detection electrodes are connected to the charge amplifier.
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