Analog optical FM receiver

Details Analog optical FM receiver Analog optical FM receiver

1991-01-15

1993-09-14

Chilcot, Jr., Richard E.

Optical: systems and elements

Deflection using a moving element

Using a periodically moving element

359189, 359173, 25022712, H04B 1006, H04B 1012

Patent

active

052454614

ABSTRACT:
An analog Optical FM Receiver which includes an optical delay for shifting the phase of a received modulated optical carrier signal as a function of the modulating analog signal so that the phase variation between the shifted optical signal and the received frequency modulated carrier signal can be determined and the modulating analog signal can be extracted.

REFERENCES:
patent: 4042891 (1977-08-01), Levine
patent: 4629994 (1986-12-01), Shimotashiro et al.
patent: 4697926 (1987-10-01), Youngquist et al.
patent: 4783852 (1988-11-01), Auracher
patent: 4984297 (1991-01-01), Manome
patent: 5181136 (1993-01-01), Kavehrad et al.

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