Automatic focus control device

Details Automatic focus control device Automatic focus control device

1987-06-22

1988-11-08

Adams, Russell E.

354430, G03B 300, G03B 708

Patent

active

047836776

ABSTRACT:
An automatic focus control device for use in a camera in which a defocus condition of the lens of the camera is detected by estimating the defocus value by detecting the motion of the photographic object.

REFERENCES:
patent: 3820129 (1974-06-01), Hosoe et al.
patent: 4462671 (1984-07-01), Suzuki et al.
patent: 4545665 (1985-10-01), Aihara
patent: 4664495 (1987-05-01), Alyfuku et al.
patent: 4673276 (1987-06-01), Yoshida et al.
patent: 4709138 (1987-11-01), Suda et al.
patent: 4733264 (1988-03-01), Hatase et al.

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