Automatic focusing device for camera

Details Automatic focusing device for camera Automatic focusing device for camera

1984-01-18

1985-08-13

Adams, Russell E.

G03B 300

Patent

active

045346364

ABSTRACT:
In automatic focusing device for a camera in which the photographing lens of the camera is automatically focused on a closest object within the photographing field. An array of light detecting elements receives light reflected from a light emitting section by various objects within the photographing field. A logic circuit detects the output from the detector which represents the closest object in the field and positions the photographing lens of the camera accordingly.

REFERENCES:
patent: 3936187 (1976-02-01), Momose
patent: 4065778 (1977-12-01), Harvey
patent: 4469939 (1984-09-01), Utagawa
patent: 4473285 (1984-09-01), Winter
patent: 4490036 (1984-12-01), Anagnostopoulos
patent: 4490037 (1984-12-01), Anagnostopoulos et al.

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