Vibration type angular velocity detector

Details Vibration type angular velocity detector Vibration type angular velocity detector

1998-06-05

2000-02-01

Moller, Richard A.

Measuring and testing

Speed, velocity, or acceleration

Angular rate using gyroscopic or coriolis effect

G01P 900

Patent

active

060189967

ABSTRACT:
The output of a synchronous detector is made precise by reducing the offset included in the outputs of detecting piezoelectric elements. This is carried out by applying one y-axis direction exciting force to one movable piece from one pair of driving piezoelectric elements and another y-axis direction exciting force to another movable piece from another pair of driving piezoelectric elements.

REFERENCES:
patent: 5806364 (1998-09-01), Kato et al.
patent: 5850035 (1998-12-01), Layton et al.

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