Navigation instrument

Details Navigation instrument Navigation instrument

1981-03-23

1983-02-01

Stearns, Richard R.

Geometrical instruments

Indicator of direction of force traversing natural media

Gyroscopically controlled or stabilized

33324, 340 27NA, G01C 1934

Patent

active

043708153

ABSTRACT:
A horizontal situation indicator having a heading card direct-driven by a directional gyro is provided. Relative positioning of the heading card and one or more navigation indicators is determined by sensing an electrical differential between a transducer associated with a heading card and a transducer associated with each navigation indicator. Spring-loaded clutch mechanisms are provided to allow adjustment of the navigation indicators without applying a torque to the heading card and gyro.

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patent: 2704457 (1955-03-01), Gabrielson et al.
patent: 2796594 (1957-06-01), Chombard
patent: 2892180 (1959-06-01), Smith
patent: 2998600 (1961-08-01), Majendie
patent: 3091127 (1963-05-01), Depp
patent: 3455030 (1969-07-01), Owens et al.
patent: 3806865 (1974-04-01), Stephan et al.
patent: 3849896 (1974-11-01), Younkin
patent: 3883957 (1975-05-01), Younkin
patent: 3889387 (1975-06-01), Owens et al.

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