Receiver for optical radar

Details Receiver for optical radar Receiver for optical radar

1976-03-01

1978-03-07

Buczinski, S. C.

Optics: measuring and testing

Range or remote distance finding

With photodetection

250552, 356 5, 356 28, G01C 308

Patent

active

040777189

ABSTRACT:
A control circuit for maintaining the sensitivity of an avalanche diode at an optimum is shown. Such diode, when used as a photosensitive detector in a receiver in an optical radar, is biased by the disclosed control circuit so that the frequency at which internally generated noise impulses are generated is maintained at a predetermined rate so that echo signals may be distinguished from such impulses.

REFERENCES:
patent: 3619058 (1971-11-01), Hewlett et al.
patent: 3830567 (1974-08-01), Riegl
patent: 3869207 (1975-03-01), Hermet et al.
Tsacoyeanes et al., Applied Optics, Nov. 1970, vol. 9, #11, pp. 2597-2598.

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