Tuning fork type vibration element and tuning fork type vibratio

Details Tuning fork type vibration element and tuning fork type vibratio Tuning fork type vibration element and tuning fork type vibratio

1998-04-28

2000-08-22

Moller, Richard A.

Measuring and testing

Speed, velocity, or acceleration

Angular rate using gyroscopic or coriolis effect

7350404, 310370, G01C 1900

Patent

active

061054267

ABSTRACT:
In a tuning fork type vibration element provided in a tuning fork type vibration gyro, the sum of inertial moments of a base to an inertial moment of two arms is 1.0 or larger. The inertial moment of the two arms is obtained by multiplying the square of a rotation radius, which is a distance from a center axis of torsional vibration as a center position between the two arms to a center of gravity of the two arms with a mass of the two arms, and the inertial moment of the base is obtained by multiplying the square of the rotation radius from the center axis of the same torsional vibration.

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patent: 5451828 (1995-09-01), Tomikawa et al.
patent: 5533397 (1996-07-01), Sugitani et al.
patent: 5635642 (1997-06-01), Nonomura et al.

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