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:
Sep. 07, 1993
Filed:
Jun. 15, 1992
Applicant:
Inventors:
Koshi Yoshibe, Yokohama, JP;
Hideshi Naito, Tokyo, JP;
Assignee:
Nikon Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03B / ; G03B / ; G02B / ; G02B / ;
U.S. Cl.
CPC ...
354400 ; 3541951 ;
Abstract
A power zooming lens barrel, which is mounted on a camera body having an auto-focus driving unit for performing a focusing driving to focus an objective image, comprises a zooming driving mechanism unit which is coupled to the auto-focus driving unit for driving a zooming lens group by the driving power from the auto-focus driving unit, a switching unit for actuating a zooming operation, and a zooming control unit for operating the auto-focus driving unit for a zooming driving through the zooming driving mechanism unit when the zooming operation is actuated by the switching unit.