ACCELERATION SENSOR CIRCUIT

ACCELERATION SENSOR CIRCUIT

An acceleration sensor circuit 1 of the invention includes an acceleration sensor 11 having a first capacitor C1 whose capacitance changes according to a position of a first movable electrode and a second capacitor C2 whose capacitance changes as opposed to the first capacitor according to a positio...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: SEKINE TORU, KUNIMI TAKASHI
Format: Patent
Sprache:eng ; fre ; ger
Schlagworte:
INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
MEASURING
MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION,OR SHOCK
PHYSICS
TESTING
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Beschreibung
Zusammenfassung:An acceleration sensor circuit 1 of the invention includes an acceleration sensor 11 having a first capacitor C1 whose capacitance changes according to a position of a first movable electrode and a second capacitor C2 whose capacitance changes as opposed to the first capacitor according to a position of a second movable electrode moved together with the first movable electrode, a first circuit 15A for generating a sinusoidal AC signal of a predetermined frequency, a second circuit 12 for generating a signal according to the positions of the movable electrodes, and an arithmetic circuit 14 for analyzing data in which a signal generated by the second circuit 12 is encoded and outputting data of acceleration.