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Scanning device with file pressing component

A scanning device, scanning position technology, applied in electrical components, image communication, etc., can solve the problems of accelerating roller and scanning window or scanning module wear, affecting the quality of image scanning, etc.

Active Publication Date: 2010-04-21
AVISION PRECISION IND (SUZHOU) CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Therefore, the known practice accelerates the wear of the rollers and the scanning window or the scanning module, thereby affecting the subsequent image scanning quality

Method used

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  • Scanning device with file pressing component
  • Scanning device with file pressing component
  • Scanning device with file pressing component

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Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0049] figure 1 A schematic diagram of a scanning device according to a preferred embodiment of the present invention is shown. figure 2 show corresponding to figure 1 A schematic diagram of the pressed assembly. Such as figure 1 and 2 As shown, a scanning device with a document pressing assembly of the present invention includes a transparent platform 10 , a scanning module 20 , a paper feeding mechanism 30 , a section 40 and a first pressing assembly 50 . The scanning module 20 is located at the scanning position SP, and is used to obtain an image of the document D through the transparent platform 10 . The paper feeding mechanism 30 is used to feed the document D through the scanning position SP in the conveying direction. The transport direction is defined by the path of the paper feed path 32 .

[0050] The section 40 is located on the downstream side of the scanning position SP and has a low point LP which is lower than the upper surface 10A of the transparent plat...

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PUM

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Abstract

The invention discloses a scanning device with a document pressing component, which comprises a transparent platform, a scanning module, a paper feeding mechanism, a section and a pressing component.The scanning module is located at a scanning position and used for obtaining a document image through the transparent platform; the paper feeding mechanism is used for feeding documents to go throughthe scanning position along transmission direction; the section is located at the downstream side of the scanning position, and has a low point which is lower than the upper surface of the transparentplatform; the pressing component is corresponding to the section and used for limiting the distance between documents and the transparent platform.

Description

technical field [0001] The present invention relates to a scanning device, in particular to a scanning device with a document pressing assembly, and the pressing assembly is configured to be lower than the scanning platform of the scanning device to press documents. Background technique [0002] In a traditional automatic document feeder, the rollers are usually used to feed the document through the scanning window, so as to supply the scanning module located under the scanning window to scan the image of the document. The scanning quality of document images is related to the depth of field of the scanning module. A larger depth of field allows the documents in the feed to not be completely flat against the scan window, and a smaller depth of field does not allow the documents in the feed to be farther away from the scan window. [0003] When a document passes through the scanning window, in order to effectively control the document falling within the depth of field of the ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04N1/04H04N1/10
Inventor 盛少澜薛宏伟
Owner AVISION PRECISION IND (SUZHOU) CO LTD