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:
Jan. 31, 1995
Filed:
Nov. 12, 1993
Applicant:
Inventors:
Yuichi Ichikawa, Tokyo, JP;
Kosei Kosako, Tokyo, JP;
Assignee:
Asahi Kogaku Kogyo Kabushiki Kaisha, Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G03B / ; G03B / ;
U.S. Cl.
CPC ...
354 94 ; 354159 ; 354222 ;
Abstract
An apparatus for adjusting the size of a picture image area and field frame of a view finder in an associated manner. The apparatus includes a picture image area restricting member which is linearly movable into and out of a photographing aperture, a field frame restricting member which is rotatably movable into and out of the field frame, a rotatable operating member for moving the picture image area restricting member, and a driving member which is linearly driven by the rotation of the operating member to rotate the field frame restricting member.