Distance measuring apparatus

Details Distance measuring apparatus Distance measuring apparatus

1982-12-01

1985-07-09

Buczinski, S. C.

Optics: measuring and testing

Range or remote distance finding

With photodetection

250201, 354403, G01C 300

Patent

active

045278920

ABSTRACT:
A distance measuring apparatus for automatically measuring the distance from a reference point to a subject of interest, such as a subject to be photographed, is provided. The present apparatus includes a position sensitive detector, a differential circuit and a pair of detecting/extracting circuits each connected between the detector and the differential circuit, whereby each of the detecting/extracting circuits includes electronic switches which change the mode of operation of the apparatus.

REFERENCES:
patent: 4445029 (1984-04-01), Nagaoka
patent: 4477168 (1984-10-01), Hosoe

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