Automatic focusing camera

Details Automatic focusing camera Automatic focusing camera

1982-12-30

1984-07-10

Adams, Russell E.

G03B 1318

Patent

active

044590040

ABSTRACT:
In an automatic focusing camera comprising a light emitting element and a object distance detecting system, the improvement comprises rotating element which rotates about an optical axis of the camera lens, and optical refracting element for changing directions of the emitted light rays to swing the light rays within a range covering a short object distance and a long object distance, so that the object distance can be represented by an angular displacement of the rotating element.

REFERENCES:
patent: 3435744 (1969-04-01), Stimson
patent: 3442193 (1969-05-01), Pagel

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