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:
May. 24, 2005
Filed:
Jan. 14, 2000
Toshiyuki Mitsubori, Kawasaki, JP;
Toshiyuki Mitsubori, Kawasaki, JP;
Minolta Co., Ltd., Osaka, JP;
Abstract
An image reading apparatus that reads color images by means of scanning the document surface with CCD sensors that correspond to red (R), green (G) and blue (B) colors respectively, comprising: a diagonal line patternprovided within the CCD sensors' reading ranges; a color shift correction factor arithmetic unitthat detects color shifts from the data obtained by reading the diagonal line pattern and calculates correction factors; and a correction arithmetic unitthat corrects the document image data for each color component read in the previous step using the calculated correction factors.
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