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.

Date of Patent:
Mar. 23, 2021

Filed:

Oct. 28, 2019
Applicant:

Fuji Xerox Co., Ltd., Tokyo, JP;

Inventors:

Hidemasa Takahashi, Kanagawa, JP;

Fumihito Kasai, Kanagawa, JP;

Atsuhiro Itoh, Kanagawa, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04N 1/00 (2006.01);
U.S. Cl.
CPC ...
H04N 1/00909 (2013.01); H04N 1/00037 (2013.01); H04N 1/00082 (2013.01); H04N 1/00798 (2013.01);
Abstract

An image scanning apparatus includes: a reading unit that reads image data, which includes an image of a document transported along a transport path and an image at a scanning position of the image, from a storage area in synchronization with a reading synchronization signal; a detection unit that detects a dirt at the scanning position by processing the image data; and a delay unit that delays and outputs a period, during which the synchronization signal to be provided to the detection unit is valid, until reading of data of a document part included in the image data starts.


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