1981-08-25
1983-12-27
Adams, Russell E.
3541951, G03B 1320, G03B 708
Patent
active
044227396
ABSTRACT:
In a camera including a photoelectric converter device disposed in the substantial imaging plane of a phototaking lens, a device for detecting the in-focus or the out-of-focus of the phototaking lens with respect to an object to be photographed from an output of said photoelectric converter device, and a device responsive to the detecting device to drive and control the phototaking lens in a direction to be in focus with respect to the object, there is provided means responsive only to the detection of said in-focus by the detecting device to restrain the operation of the drive control device. The means includes timer means for enabling the continuance of said restraint during a predetermined time after the detection of the out-of-focus by the detecting device.
REFERENCES:
patent: 3798660 (1974-03-01), Hasegawa et al.
patent: 4265528 (1981-05-01), Bestenreiner et al.
patent: 4344024 (1982-08-01), Cocron
patent: 4361390 (1982-11-01), Yamada
Hoshino Kunihisa
Ogasawara Akira
Terui Nobuhiko
Utagawa Ken
Watanabe Sakuji
Adams Russell E.
Nippon Kogaku K.K.
LandOfFree
Auto focus camera does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Auto focus camera, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Auto focus camera will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-945058