The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Dec. 27, 1983
Filed:
Aug. 25, 1981
Sakuji Watanabe, Warabi, JP;
Akira Ogasawara, Yokohama, JP;
Nobuhiko Terui, Tokyo, JP;
Kunihisa Hoshino, Kawasaki, JP;
Ken Utagawa, Yokohama, JP;
Nippon Kogaku K.K., Tokyo, JP;
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.