In-focus state display device for camera

Details In-focus state display device for camera In-focus state display device for camera

1984-05-23

1986-07-01

Perkey, William B.

G03B 300

Patent

active

045976597

ABSTRACT:
The disclosed camera includes a view finder whose visual field displays a mark indicative of a focused condition. A display which extinguishes the mark either immediately after the detection of the in-focus condition or a predetermined time after the detection of the in-focus state condition, and generates an audible or visual mark outside the view finder's visual field.

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