Rate-sensing tuning fork design

Details Rate-sensing tuning fork design Rate-sensing tuning fork design

1994-07-25

1995-12-19

Williams, Hezron E.

Measuring and testing

Speed, velocity, or acceleration

Angular rate using gyroscopic or coriolis effect

310367, G01P 904

Patent

active

054760089

ABSTRACT:
An improvement in rate-sensing tuning fork design includes a generally planar and H-shaped sensor frame of piezoelectric material. The frame includes a first pair of tines and a second pair of tines joined to an intermediate cross-piece. Connecting means is provided for connecting each of the second pair of tines to the other of said second pair at a location spaced from said intermediate cross-piece. The connecting means is preferably a connecting member formed of piezoelectric material, with the member being generally parallel to the intermediate cross-piece of the H-shaped frame and disposed between the second pair of tines. The connecting means prevents each of the tines of the second pair from vibrating directly toward or away from each other. A preferred method of use of the device is described.

REFERENCES:
patent: Re32931 (1989-05-01), Staudte
patent: 4898032 (1990-02-01), Voles
patent: 4899587 (1990-02-01), Staudte
patent: 5056366 (1991-10-01), Fersht et al.

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