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:
Apr. 26, 1988
Filed:
Apr. 15, 1986
Applicant:
Inventor:
Masao Aoyagi, Kanagawa, JP;
Assignee:
Canon Kabushiki Kaisha, , US;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G02B / ; G03B / ;
U.S. Cl.
CPC ...
350429 ; 354286 ;
Abstract
An arrangement for adjusting the position of a lens held in a barrel in a lens mounting for performing optical function such as focusing or zooming by moving an optical member or members along an optical axis as in the interchangeable objective. The barrel is divided into two parts each containing a lens, and the relative positions of the first and second barrels are infinitely adjusted by a cam.