Ring laser gyroscope cluster for strapped down navigation

Details Ring laser gyroscope cluster for strapped down navigation Ring laser gyroscope cluster for strapped down navigation

1981-01-29

1984-01-10

McGraw, Vincent P.

Optics: measuring and testing

By dispersed light spectroscopy

Utilizing a spectrometer

G01C 1964

Patent

active

044250401

ABSTRACT:
An inertial measurement unit using body dithered ring laser gyroscopes in which the individual ring laser gyroscopes are firmly attached to a common dithered structure and provisions made to cancel the reaction moment from the dithered structure by a passive resonator. The stable element, to which both the dithered structure and the passive resonator are attached with torsion springs, also serves as a non-vibrating foundation for strapped down accelerometers. The resulting structure contains fewer parts, has lower fabricating cost and permits a smaller package size than a conventional inertial measurement unit with individually body dithered ring laser gyroscopes.

REFERENCES:
patent: 3503688 (1970-03-01), Lechevalier
patent: 4017187 (1977-04-01), Schwartz
patent: 4190364 (1980-02-01), Ljung et al.
patent: 4321557 (1982-03-01), McNair

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