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Image reading apparatus, control method for the same, and image forming apparatus

A technology of an image reading device and a control method, which are applied in the directions of image communication, electrical recording process applying charge pattern, equipment for electrical recording process applying charge pattern, etc.

Inactive Publication Date: 2011-05-25
KK TOSHIBA +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Also, ink and dust from the original are often attached to the glue attached to the reading window

Method used

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  • Image reading apparatus, control method for the same, and image forming apparatus
  • Image reading apparatus, control method for the same, and image forming apparatus
  • Image reading apparatus, control method for the same, and image forming apparatus

Examples

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Embodiment Construction

[0020] Hereinafter, an embodiment of the present invention will be described with reference to the drawings.

[0021] Such as figure 1 with figure 2 As shown, the scanning unit 2 is arranged on the upper part of the main body 1 . The scanning unit 2 includes a transparent original plate 11 on which originals are placed. The original plate 11 includes an indicator 12 . The edge of the indicator 12 is a reference position for placing a document. A reading window 13 is arranged along the width direction of the original plate 11 at a position adjacent to the indicator 12 of the original plate 11 .

[0022] A carriage 14 is provided on the lower surface side of the document plate 11 , and an exposure lamp 15 is provided on the carriage 14 . The carriage 14 reciprocates along the lower surface of the original plate 11 . The carriage 14 exposes the original D placed on the original plate 11 by lighting the exposure lamp 15 while reciprocating along the original plate 11 . A r...

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PUM

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Abstract

The present invention provides an image reading apparatus, a control method for the same, and an image forming apparatus. A scanning unit feeds a document to a scanning window, passes the document over the scanning window, and reads an image of the passing document by optical line scan through the scanning window. When the scanning unit operates, whether the image read by the scanning unit includes one or plural images of adhering matter in the scanning window is detected. When the image of adhering matter is included, the image of adhering matter is removed from the image read by the scanning unit.

Description

[0001] Cross References to Related Applications [0002] This application is based upon and claims the benefit of and priority from US Provisional Application Serial No. 61 / 263,480, filed November 23, 2009, the entire contents of which are hereby incorporated by reference. technical field [0003] The present invention relates to an image reading device for optically reading a document image, a control method thereof, and an image forming device. Background technique [0004] An image forming apparatus such as a copier includes a so-called scanner unit as an image reading apparatus including an automatic document feeder (ADF). The scanning unit feeds a plurality of originals placed on a tray into a reading window one by one, passes them through the reading window, and scans images of the passed originals by scanning light rays passing through the reading window. [0005] Sometimes the glue from the sticky notes sticks to the original. Once this kind of original is sent int...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04N1/04G03G15/00H04N1/00
CPCG03G2215/00286H04N1/12H04N2201/0081H04N1/193G03G2215/048H04N1/38G03G2215/00177G03G2215/0439
Inventor 照田裕和
Owner KK TOSHIBA