Video camera auto focus

Details Video camera auto focus Video camera auto focus

1983-11-07

1986-03-11

Rubinson, Gene Z.

Facsimile and static presentation processing

Facsimile

Recording apparatus

354404, 250201, G03B 300

Patent

active

045757640

ABSTRACT:
Focus detecting apparatus wherein an image of a remote object is focused by lens means on a detector array, and the exit pupil is oscillated to produce a dither signal in the output of the detectors having a magnitude indicative of the amount of out of focus and a sense indicative of the direction the lens means should be moved to achieve proper focus.

REFERENCES:
patent: 2999436 (1961-09-01), Faulhaber
patent: 3833806 (1974-09-01), Sato
patent: 3896457 (1975-07-01), Yamanishi
patent: 4183641 (1980-01-01), Kondo
patent: 4301478 (1981-11-01), Sakane
patent: 4370038 (1983-01-01), Kimura
patent: 4484806 (1984-11-01), Onishi
patent: 4485406 (1984-11-01), Brownstein

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