Sensor for determining angular velocity with piezoceramic component formed as thickness shear oscillator
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United States of America Patent
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-
Sep 21, 1993
Grant Date -
N/A
app pub date -
Jan 29, 1991
filing date -
Dec 22, 1988
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A sensor (10) for determining angular velocity includes one or a plurality of piezoceramic plates (11, 12, 31 to 34), which are suitably oriented with respect to the axis of rotation and execute shear oscillations with the aid of an exciting circuit. If the sensor (10) is located in a rotating system, piezoelectric charges are generated on specific plate surfaces by generated Coriolis forces (K.sub.c). These charges represent a measure of the rotational velocity (.OMEGA.).
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