Optics: measuring and testing – By dispersed light spectroscopy – Utilizing a spectrometer
Patent
1983-04-11
1985-08-06
McGraw, Vincent P.
Optics: measuring and testing
By dispersed light spectroscopy
Utilizing a spectrometer
G01C 1964
Patent
active
045332509
ABSTRACT:
In the present invention, a detector responsive to an interference pattern produces pulses which relate to the fringe change of the pattern. The pulses are timed by a running clock. The pulse times are fed to an interpolating means such as a computer for interpolating fringe change between the last pulse and a measurement command signal. The detector of the present invention is specifically applicable to ring laser angular rate sensor systems.
REFERENCES:
patent: 4152072 (1979-05-01), Hutchings
patent: 4219276 (1980-08-01), Dorsman
patent: 4280766 (1981-07-01), Goss et al.
Callaghan Timothy J.
Kay Robert M.
Honeywell Inc.
McGraw Vincent P.
Pajak Robert A.
Turner S. A.
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