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:
Dec. 14, 2004
Filed:
Sep. 21, 1999
Applicant:
Inventor:
Hiroyuki Wada, Yokohama, JP;
Assignee:
Canon Kabushiki Kaisha, , JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G06K 9/40 ;
U.S. Cl.
CPC ...
G06K 9/40 ;
Abstract
A film scanner irradiates a film with visible light and infrared light to read image data. Infrared image data and visible light image data are compared, and any shift therebetween is corrected to accurately specify a dust particle/flaw region.