Distance measuring apparatus

Details Distance measuring apparatus Distance measuring apparatus

1985-04-01

1986-07-22

Buczinski, S. C.

Optics: measuring and testing

Range or remote distance finding

With photodetection

354403, 250214B, G01C 300, G01C 500, G03B 300

Patent

active

046015744

ABSTRACT:
A distance measuring apparatus for automatically measuring a 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 having a photoelectric surface defined between two extreme points. Thus, when a light pulse emitted from the apparatus is reflected by the subject and impinges upon the photoelectric surrface, there is produced a pair of current signals, which are then processed to obtain a distance signal indicating the distance to be measured. Thus, the present apparatus can provide a highly accurate measurement.

REFERENCES:
patent: 3443502 (1972-08-01), Harvey
patent: 3936187 (1976-02-01), Momose
patent: 3951550 (1976-04-01), Slick
patent: 4040738 (1977-08-01), Wagner
patent: 4274735 (1981-06-01), Tamura et al.
patent: 4345827 (1982-08-01), Stemme et al.
patent: 4391513 (1983-07-01), Fujiki
patent: 4445029 (1984-04-01), Nagaoka et al.

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