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:
Sep. 04, 1981
Hiroshi Meguro, Kawasaki, JP;
Nobuo Okabe, Narita Higashi, JP;
Nippon Kogaku K.K., Tokyo, JP;
Abstract
In a camera having a phototaking lens capable of manual focusing operation by an operating ring and automatic focusing operation by a drive control device responsive to the output of an in-focus detecting device and wherein the manual focusing operation and the automatic focusing operation can be selectively accomplished by means of a change-over operating device, there are provided display means capable of displaying information on the in-focus condition of the phototaking lens in response to the output of the in-focus detecting device, focus lock means operable to restrain the movement of the phototaking lens at any position related to the focusing operation of the phototaking lens and at the same time fix the display by the display means, and means for blocking the operation of the focus lock means in response to the selection of the manual focusing operation by the change-over operating device.