Discriminant apparatus for a ring laser angular rate sensor

Details Discriminant apparatus for a ring laser angular rate sensor Discriminant apparatus for a ring laser angular rate sensor

1982-09-22

1987-03-10

Buczinski, Stephen C.

Optics: measuring and testing

By dispersed light spectroscopy

Utilizing a spectrometer

372 94, G01B 902

Patent

active

046487166

ABSTRACT:
The present invention provides a discriminant signal apparatus for providing a discriminant signal indicative of the lock-in rate. The discriminant signal apparatus of the present invention is responsive to the behavior of the instantaneous phase difference between the waves, and specifically the behavior of the phase difference occurring substantially about, both before and after, occurrences of the first derivative of the phase difference having substantially zero value.

REFERENCES:
patent: 3373650 (1968-03-01), Killpatrick
patent: 3467472 (1969-09-01), Killpatrick
patent: 3937578 (1976-02-01), Andringa
patent: 4152071 (1979-05-01), Podgorski
patent: 4248534 (1981-02-01), Elbert
patent: 4422762 (1983-12-01), Hutchings et al.
patent: 4445779 (1984-05-01), Johnson

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