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Manuscript carrying apparatus and automatic manuscript reading apparatus using same

An original transmission and original technology, which is applied to printing devices, electrical recording processes using charge patterns, and equipment using electrical recording processes using charge patterns, etc. Read blur, achieve the effect of the number of accessories

Inactive Publication Date: 2008-01-02
SHARP KK
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Therefore, due to the change in the load of the driving power, a slight delay is caused in the document conveying speed to the document reading unit that reads the document, thereby causing blurred reading of the document in the document reading unit.

Method used

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  • Manuscript carrying apparatus and automatic manuscript reading apparatus using same
  • Manuscript carrying apparatus and automatic manuscript reading apparatus using same
  • Manuscript carrying apparatus and automatic manuscript reading apparatus using same

Examples

Experimental program
Comparison scheme
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Embodiment Construction

[0042] The best mode for carrying out the present invention will be described below with reference to the drawings.

[0043] 1 is a longitudinal sectional view of an automatic document reading device 1 including a document conveying device 10 according to an embodiment of the present invention.

[0044] This automatic document reading device 1 has a first document table 101 and a second document table 102 under the document conveying device 10, and can read a document G placed on the first document table 101 in a stationary state, and can be used as On the other second document table 102, the document G is read while being conveyed. In order to read, set below the first original table 101 and the second original table 102: a light source unit 105 composed of a light source 103 and a reflector 104; a reflector unit 108 composed of reflectors 106, 107; an imaging lens 109 and the CCD reading unit 110.

[0045] When stationary reading is performed using the first original table...

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PUM

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Abstract

In an embodiment of the present invention, a pickup roller R 1 makes soft contact to an upper surface of a manuscript by being lowered incrementally in four raising-lowering operations S 1 to S 4 in which, when an electromagnetic clutch connects, the pickup roller is lowered, while being rotated, to approach the upper surface of the top manuscript and, when the electromagnetic clutch disconnects, the pickup roller, while stopping to rotate, is raised away from the upper surface of the top manuscript by an amount smaller than a lowering amount. Between an electromagnetic clutch-side engaging portion and a pickup roller-side engaging portion of a torque limiter, an elastic member is arranged that suppresses drive power load fluctuation produced by disconnection / connection of the electromagnetic clutch and applies a biasing force in a direction to raise the pickup roller when the electromagnetic clutch disconnects.

Description

[0001] This application claims priority based on Japanese Patent Application No. 2004-44850 filed on February 20, 2004 in Japan. All content thereof is hereby incorporated into this application. technical field [0002] The present invention relates to an original conveying device that takes out paper-like originals placed in a stacked state one by one and conveys them sequentially when reading an image. Background technique [0003] Conventionally, as a method of reading a document image, a document fixing method and a document moving method are known. [0004] The document fixing method is to fix the document and scan the image information reading unit (optical unit) to read it, so it is suitable for book manuscripts, thick paper manuscripts, and the like. Also, since the image information reading unit (optical unit) is scanned, there is an advantage that it is easy to improve the reading accuracy. [0005] On the other hand, the document moving method is to fix the info...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B65H3/06H04N1/00G03G15/00B41J11/00B41J13/00
CPCB65H3/0669B65H2601/521B65H3/0684B65H2403/724B65H2301/423245B65H3/0615B65H3/56
Inventor 森本泰正为平正人
Owner SHARP KK
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