Focus defecting system

Details Focus defecting system Focus defecting system

1974-04-08

1976-02-10

Stolwein, Walter

Radiant energy

Photocells; circuits and apparatus

Photocell controls its own optical systems

356123, 354 25, 250211R, 250211K, G01J 120

Patent

active

039379507

ABSTRACT:
A system for detecting the distinction of the object image characterized in that respectively on a photoelectric transducing element presenting electrodes on both extremities along the longer sides of a photoelectric semiconductor presenting considerably short sides as compared with the long sides and on a photoelectric transducing element presenting electrodes on both extremities along the shorter sides of a photoelectric semiconductor presenting considerably short sides as compared with the long sides an object image is formed by means of an optics and that the distinction of the above mentioned object image is detected by detecting the electric characteristics variable corresponding to the distinction of the above mentioned object image, of each of the above mentioned photoelectric transducing elements.

REFERENCES:
patent: 2879405 (1959-03-01), Pankove
patent: 3193686 (1965-07-01), Heinz
patent: 3222531 (1965-12-01), Morrison
patent: 3649840 (1972-03-01), Thorn et al.
patent: 3830571 (1974-08-01), Imai et al.

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