Miniature gyroscope

Details Miniature gyroscope Miniature gyroscope

1982-01-04

1984-07-24

Gill, James J.

Measuring and testing

Speed, velocity, or acceleration

Angular rate using gyroscopic or coriolis effect

74 56E, G01C 1942

Patent

active

044611765

ABSTRACT:
A miniature rate-integrating gyroscope is shown to comprise: an electrical motor (whose rotor, when rotating, constitutes a gyroscopic mass) mounted in a single degree of motion gimbal within a cylindrical case; a motion sensor to determine any rotation of such gimbal with respect to such case, such sensor including a transformer having a primary winding and a secondary winding movable with respect to each other so that the phase difference between alternating signals in the primary and secondary windings is analogous to such rotation; phase detecting circuitry to produce a control signal representative of such phase difference; a torque generator responsive to the control signal to null any rotation of such gimbal; and a fluid damper to critically damp any rotation of such gimbal.

REFERENCES:
patent: 2959252 (1960-11-01), Jamieson
patent: 3188540 (1965-06-01), Lautzenhiser
patent: 3257853 (1966-06-01), Schaberg
patent: 3882731 (1975-05-01), Koning

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