Gyrocompass

Details Gyrocompass Gyrocompass

1982-04-12

1984-06-05

Martin, Jr., William D.

Geometrical instruments

Indicator of direction of force traversing natural media

Gyroscopically controlled or stabilized

74 56D, G01C 1938

Patent

active

044519907

ABSTRACT:
In a gyrocompass in which a gyro is housed in a gyro case with a spin axis arranged substantially horizontal, a container is provided for surrounding the gyro case and for containing a liquid. A suspension wire supports the gyro case within the container and a supporting device is provided to support the case with three degrees of freedom. A vertical follow-up device ensures that the container follows the gyro case around a vertical axis. A detector supplies a detected signal to the follow-up device to produce a follow-up error responsive to displacement and twisting of the suspension wire so that a damping torque is applied to the gyro case. A delay element supplies the detected signal to the follow-up device to produce a follow-up error therein.

REFERENCES:
patent: 3855711 (1974-12-01), Kawada et al.
patent: 3935644 (1976-02-01), Kawada et al.
patent: 4075764 (1978-02-01), Krogmann et al.

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