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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.:

US 7064871 B1

PDFFull Text
Date of Patent:
Jun. 20, 2006

Filed:

Dec. 19, 2001

Image reading apparatus which controls a correction operation of an image signal of an original image read through a transparent member in accordance with individual data representing transmittancy of the transparent member

Applicants:

Shigeo Yamagata, Kanagawa, JP;

Kenji Hiromatsu, Chiba, JP;

Inventors:

Shigeo Yamagata, Kanagawa, JP;

Kenji Hiromatsu, Chiba, JP;

Assignee:

Canon Kabushiki Kaisha, Tokyo, JP;

Attorney:

Fitzpatrick, Cella, Harper & Scinto

Primary Examiner:

Thomas D Lee

Assistant Examiner:

Heather D Gibbs

Int. Cl.
CPC ...
H04N 1/04 (2006.01);
U.S. Cl.
CPC ...
Abstract

An image reading apparatus includes a line CCD which reads an original image placed on a glass original table which is illuminated by a light source, and an analog signal processor circuit which adjusts the signal level of the resulting signals, and a unit which sets numeric data which depends on the transmittancy of the glass original table. The analog signal processor circuit controls the amount of adjusting the signal level based on the set numeric data.

Find Patent Forward Citations

Yamagata, Shigeo. (2006). Image reading apparatus which controls a correction operation of an image signal of an original image read through a transparent member in accordance with individual data representing transmittancy of the transparent member (U.S. Patent No. 7064871). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/7064871

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