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:
Feb. 15, 1977
Filed:
Dec. 19, 1974
Applicant:
Inventors:
Assignee:
Canon Kabushiki Kaisha, Tokyo, JA;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03B / ;
U.S. Cl.
CPC ...
355 57 ; 355-8 ; 355 60 ;
Abstract
In a copying apparatus of the type having a movable original carriage, there is provided drive velocity changing means for changing the drive velocity of the original carriage relative to an image forming member. Movable optical means is provided which has at least a mirror and a lens. One or both of the mirror and the lens may be moved or changed over in response to the drive velocity changing means, thereby changing the magnification at which an original is copied.