Image reader

Details Image reader Image reader

2006-07-04

2006-07-04

Rogers, Scott (Department: 2626)

Facsimile and static presentation processing

Static presentation processing

Attribute control

C358S003260, C358S530000, C358S463000

Reexamination Certificate

active

07072075

ABSTRACT:
An image reader reads an image on a sheet document while feeding the sheet document by an automatic document feeder (ADF). A CCD sensor includes first pixel rows and a second pixel row. The first pixel rows read R, G, B color components of a document image while scanning the document in a main scanning direction. The second pixel row is disposed at a predetermined distance in a sub-scanning direction from the first pixel rows. The second pixel row reads one color component of the document image. The image reader uses the CCD sensor to detect noise component on image data read by the first pixel rows or the second pixel row based on each of image data read by the first and second pixel rows and to eliminate the detected noise component.

REFERENCES:
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patent: 6295140 (2001-09-01), Kameyama
patent: 2003/0174221 (2003-09-01), Tsuda
patent: 9-139844 (1997-05-01), None
patent: 2000-152008 (2000-05-01), None
patent: 2002-158835 (2002-05-01), None
patent: 2002-271631 (2002-09-01), None
patent: 2002271631 (2002-09-01), None

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