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 9942442 B1

PDF
Full Text
Expired
Date of Patent:
Apr. 10, 2018

Filed:

May. 15, 2015
Applicant:

Canon Kabushiki Kaisha, Tokyo, JP;

Inventor:

Hiroki Takeishi, Machida, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04N 1/46 (2006.01); H04N 1/04 (2006.01); H04N 1/44 (2006.01); H04N 1/195 (2006.01);
U.S. Cl.
CPC ...
H04N 1/44 (2013.01); H04N 1/19594 (2013.01);
Abstract

An object of the present invention is to prevent a deterioration in image quality of an acquired image resulting from the shape of an object. The present invention is an image reading apparatus that irradiates an object placed on a read table with light by using an irradiation unit, captures an image of the object by using an image capturing unit, and reads an image of the object, and the image reading apparatus includes: a measurement unit configured to measure a shape of the object; and a correction unit configured to correct an amount of light with which the irradiation unit irradiates the object based on image data of the object acquired by performing the image capturing while the irradiation unit is irradiating the object with light, and on the results of the measurement.


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