Ellipticity control system for angular displacement sensor

Details Ellipticity control system for angular displacement sensor Ellipticity control system for angular displacement sensor

1976-11-22

1978-03-21

Gill, James J.

Measuring and testing

Speed, velocity, or acceleration

Angular rate using gyroscopic or coriolis effect

G01C 1956

Patent

active

040796302

ABSTRACT:
An ellipticity control system for controlling the elliptical deviation of the vibratory element of a displacement sensor. The apparatus incorporates a plurality of drive electrodes, at least six in number, mounted concentrically along the longitudinal axis of the elongated vibratory element. Each drive electrode is formed in pairs oriented along separate axes. A pair of X-axis pickoffs and a pair of Y-axis pickoffs axially spaced from the drive electrodes are also mounted concentrically of the vibratory element to sense the deviation of the vibratory element from null and to provide control signals by way of circuit means to the drive electrodes.

REFERENCES:
patent: 3106847 (1963-10-01), Mullins et al.
patent: 3354724 (1967-11-01), Kabaian

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