Camera having automatic focus adjusting apparatus

Details Camera having automatic focus adjusting apparatus Camera having automatic focus adjusting apparatus

1990-10-18

1993-02-16

Gellner, Michael L.

354412, G03B 1300

Patent

active

051875152

ABSTRACT:
A camera having automatic focus adjusting apparatus employing a continuous photographing mode comprises a focus detecting apparatus for detecting a focusing condition of a photographic lens to output an amount of defocus, and an apparatus for detecting an amount of movement of an object by detecting the amount of defocus of the same object at different times. Since the amount of movement of the object is detected, whether the object is moving or not can be easily determined.

REFERENCES:
patent: 4762986 (1988-08-01), Suda et al.
patent: 4783677 (1988-11-01), Hamada et al.
patent: 4816856 (1989-03-01), Hamada et al.
patent: 4855776 (1989-08-01), Akashi
patent: 4860045 (1989-08-01), Hamada et al.
patent: 4980715 (1990-12-01), Utagawa

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