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. 27, 1995
Filed:
Nov. 12, 1993
Applicant:
Inventor:
Hideo Kurihara, Tokyo, JP;
Assignee:
Canon Kabushiki Kaisha, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G06K / ;
U.S. Cl.
CPC ...
235475 ; 235479 ; 235482 ;
Abstract
An information recording medium cleaning device includes moving the recording medium and the cleaning device relative to each other and a detection device for detecting a degree of stain caused by dust, fingerprints or oil, for example, on the information recording medium. Cleaning is performed based on the degree of stain detected on the information recording medium.