Optics: measuring and testing – Range or remote distance finding – With photodetection
Patent
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
Buczinski S. C.
Canon Kabushiki Kaisha
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