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image reading device

An image reading device and image technology, applied in the direction of image communication, electrical components, etc., can solve the problems of image reading accuracy decline, white data shading correction and other problems, and achieve the effect of suppressing the decline of reading accuracy

Active Publication Date: 2016-08-03
BROTHER KOGYO KK
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

As a result, shading correction using white data, etc. cannot be performed satisfactorily, and image reading accuracy decreases.
In addition, when reading an image of a document, the reading accuracy of the image may decrease due to external light

Method used

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Examples

Experimental program
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Effect test

Embodiment Construction

[0043] Hereinafter, embodiments of the present invention will be described in detail with reference to the drawings.

[0044] Multifunctional:

[0045] like figure 1 As shown, the all-in-one machine 100 is roughly in the shape of a cuboid. The all-in-one machine 100 has an image forming unit 200 and an image reading unit 300 arranged on the image forming unit 200 .

[0046] The image forming unit 200 has a substantially rectangular parallelepiped shape. The image forming unit 200 incorporates an inkjet or electrophotographic image forming mechanism for realizing a printing function.

[0047] An operation panel P operated by a user is disposed on the upper front of the image forming unit 200 .

[0048] In addition, the front side of the image forming unit 200 is defined as the front side, and each part of the all-in-one machine 100 is viewed from the front side as a reference, and the up, down, left, and right directions are defined. figure 1 In each of the following figur...

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PUM

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Abstract

An image reading device comprising: a conveying device configured to continuously convey documents one by one in a U-shaped inversion path formed by a curved guide surface; a reading unit configured to read taking an image on a document conveyed by the conveying device; a contact glass disposed between the reading unit and the conveyed document; a cover configured to cover the conveying device, the cover comprising a first surface and a second surface Two surfaces; the second surface also includes a movable member configured to move between an open position and a closed position; documents conveyed by the conveying device are discharged above the movable member through the discharge port and a surface between the conveyor and the exit, the surface configured to support the document as it is exited through the exit. According to the above-described image reading device of the present invention, it is possible to suppress external light from entering the vicinity of the reading unit.

Description

technical field [0001] The present invention relates to an image reading device for reading an image of a document. Background technique [0002] An image reading device that reads an image of a document is used alone as an image scanner, or used in combination with an image forming device as a copier. [0003] The image reading device is provided with, for example, an image sensor, and a document conveyance path via the image sensor. The transport path is formed by a plurality of rollers that transport documents, a guide surface that guides documents, and the like. The document is opposed to the image sensor while the document is being transported along the document transport path. At this time, light is irradiated from the image sensor to the document. In addition, the image sensor receives reflected light from the document, thereby enabling reading of an image formed on the document. [0004] In such an image reading device, two document conveying paths for conveying ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04N1/028H04N1/04
CPCH04N1/00618H04N1/12H04N1/195H04N1/0057
Inventor 三浦克朗刑部吉记高畑宗晃
Owner BROTHER KOGYO KK