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. 15, 1994
Filed:
Sep. 17, 1992
Applicant:
Inventor:
Hideo Ito, Toyokawa, JP;
Assignee:
Minolta Camera Kabushiki Kaisha, Osaka, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G03G / ;
U.S. Cl.
CPC ...
3553 / ; 355208 ; 355327 ;
Abstract
Copying apparatus having a movable developing unit provided with a plurality of developing devices. This copying apparatus measures the mechanical characteristics of the drive mechanism driving the developing unit and determines if these characteristics deviate from normal values, and the drive signals transmitted to the drive mechanism are adjusted in accordance with the results of the measurement.