Measuring and testing – Speed – velocity – or acceleration – Angular rate using gyroscopic or coriolis effect
Patent
1974-12-20
1976-11-23
Goldstein, Herbert
Measuring and testing
Speed, velocity, or acceleration
Angular rate using gyroscopic or coriolis effect
G01C 1956
Patent
active
039929523
ABSTRACT:
Stable reference gyroscopic apparatus is provided in the form of an angular displacement sensor which employs an end-supported vibratory rod or wire, instead of the commonly used rotatable element. The apparatus of the invention incorporates an improved means for maintaining the vibrational amplitude of the center of the vibratory element constant, and electronic circuit means for causing the orbit of center of the vibratory element to remain in a straight line, both means being effective to eliminate the major sources of potential drift in the sensor.
REFERENCES:
patent: 2542018 (1951-02-01), Ferrill, Jr.
patent: 3106847 (1963-10-01), Mullins, Jr. et al.
patent: 3349627 (1967-10-01), Hauf et al.
patent: 3354724 (1967-11-01), Kabaian et al.
patent: 3538774 (1970-11-01), Quick
patent: 3680392 (1972-08-01), Hoffman et al.
Friedland Bernard
Hutton Maurice F.
Goldstein Herbert
Kennedy T. W.
The Singer Company
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