Range finder

Details Range finder Range finder

1980-10-14

1983-02-01

Buczinski, S. C.

Optics: measuring and testing

Range or remote distance finding

With photodetection

354 25, 356 4, G01C 308

Patent

active

043712614

ABSTRACT:
An active type of range finder includes a beam projection lens which is formed by a number of parts each having a different optical axis for use in a beam projection optical system, and a beam receiving optical system for widening the range finding angular field without lowering range finding accuracy.

REFERENCES:
patent: 2081134 (1937-05-01), Buckley
patent: 3431449 (1969-03-01), Hundley
patent: 3443502 (1969-05-01), Harvey

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