Camera with automatic focusing apparatus

Details Camera with automatic focusing apparatus Camera with automatic focusing apparatus

1990-01-02

1991-01-01

Adams, Russell E.

354403, 354408, G03B 1336

Patent

active

049822179

ABSTRACT:
An automatic focusing apparatus for a camera includes. The automatic focusing apparatus operated to drive a photographing lens to an in-focus position for an object upon a first operation of an operation member and to an in-focus position for another object upon a second operation of the operation member. Upon a third operation of the operation member, the lens is automatically driven to an intermediate position between the first and second positions, thereby simplifying lens driving for obtaining an in-focus state for the objects located at the different positions.

REFERENCES:
patent: 4274725 (1981-06-01), Gross
patent: 4341447 (1982-07-01), Biber
patent: 4362372 (1982-12-01), Kiesel
patent: 4609274 (1986-09-01), Iwashita et al.
patent: 4614418 (1986-09-01), Ishizaki et al.
patent: 4639110 (1987-07-01), Rinn et al.

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