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:
Mar. 08, 1977
Filed:
May. 19, 1975
Applicant:
Inventor:
Yoshihisa Kawai, Aichi, JA;
Assignee:
Minolta Camera Kabushiki Kaisha, Osaka, JA;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03B / ;
U.S. Cl.
CPC ...
355 55 ; 355 14 ;
Abstract
An electrophotographic copier having selectable magnification of the document image includes controls for preventing initiation of a copy production cycle during an operation changing optical elements from an existing magnification to a desired other magnification, and conversely for preventing initiation of a magnification change operation during a copy production cycle.