Readout for a ring laser angular rate sensor

Details Readout for a ring laser angular rate sensor Readout for a ring laser angular rate sensor

1985-05-08

1995-08-01

Buczinski, Stephen C.

Optics: measuring and testing

By dispersed light spectroscopy

Utilizing a spectrometer

372 94, G01B 902, H01S 3083

Patent

active

054384095

ABSTRACT:
A data signal processer processes a pair of phase quadrature signals responsive to an interference pattern indicative of the phase change between counter-propagating laser beams in a rotation sensor. The data signal processer provides an output pulse for each .pi./2 phase change between the counter-propagating laser beams of the sensor.

REFERENCES:
patent: 3373650 (1968-03-01), Killpatrick
patent: 3627425 (1971-12-01), Doyle
patent: 4152072 (1979-05-01), Hutchings
patent: 4248534 (1981-02-01), Elbert
patent: 4504146 (1985-03-01), Morgan
patent: 4529311 (1985-07-01), Morgan
"Quadrature Decoder/Counter Interface IC", Technical Data, Oct. 1985, Hewlett Packard, HCTL-2000.

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