作者: Toru Sekine , Takashi Kunimi
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摘要: An acceleration sensor circuit 1 of the invention includes an 11 having a first capacitor C1 whose capacitance changes according to position movable electrode and second C2 as opposed moved together with electrode, 15A for generating sinusoidal AC signal predetermined frequency, 12 positions electrodes, arithmetic 14 analyzing data in which generated by is encoded outputting acceleration.