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:
Jun. 14, 1994
Filed:
Sep. 03, 1993
Applicant:
Inventor:
Masaki Imaizumi, Tokyo, JP;
Assignee:
Olympus Optical Co., Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G02B / ; G03B / ; G03B / ;
U.S. Cl.
CPC ...
354222 ; 354159 ; 359434 ; 359676 ;
Abstract
A real image type finder system comprising an objective lens system, a relay lens system and a field stop arranged at the location at which an image is to be formed by said objective lens system: and adapted to be changed into a panorama finder system by replacing the relay lens system with another relay lens system having a magnification different from that of said relay lens system and exchanging the field stop with another field stop having an aperture of a shape having an aspect ratio different from that of the aperture shape of said field stop.