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.

Date of Patent:
Sep. 10, 1985

Filed:

Oct. 26, 1984
Applicant:
Inventors:

Koichi Daitoku, Kanagawa, JP;

Nobuo Okabe, Tokyo, JP;

Assignee:

Nippon Kogaku K.K., Tokyo, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03B / ;
U.S. Cl.
CPC ...
354400 ; 35419512 ;
Abstract

A focusing device in a camera comprises a lens barrel having a lens system, the lens barrel together with the lens system being moved along the optical axis to focus the lens system on an object locted in the range of ordinary photographing distances and on an object located in the range of closest focusing distances shorter than the ordinary photographing distances, a detector for detecting a distance to an object, to provide an output signal according to the distance thus detected, a main drive system for moving the lens barrel in response to the output signal provided by the detector, to focus the lens system on the object located in the range of ordinary photographing distances, and an auxiliary drive system with a member operated by the operator. The auxiliary drive system moving the lens barrel independently of the main drive system, to focus the lens system on the object located in the range of closest focusing distances.


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