Focusing control apparatus for a camera

Details Focusing control apparatus for a camera Focusing control apparatus for a camera

1991-06-10

1992-11-10

Adams, Russell E.

354402, G03B 1336

Patent

active

051628341

ABSTRACT:
The invention provides a focusing control for a camera which performs focusing at normal as well as close distances. The location of a subject to be photographed is detected and the focus control is set either into a normal mode or a close-up mode without action by the photographer. In order to move the lens quickly to the correct position, the entire movable range is divided into a plurality of zones.

REFERENCES:
patent: 3736057 (1973-05-01), Harvey
patent: 4348089 (1982-09-01), Shenk
patent: 4374613 (1983-02-01), Stempeck
patent: 4473285 (1984-09-01), Winter
patent: 4523827 (1985-06-01), Masunaga et al.
patent: 4743931 (1988-05-01), Matsuzaki et al.
patent: 4935765 (1990-06-01), Ishida et al.

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