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Document conveying device and paper jam determination method

A technology of conveying device and conveying direction, which is applied in the directions of transportation and packaging, thin material handling, object separation, etc., to achieve the effect of suppressing the occurrence of misjudged paper jams

Active Publication Date: 2016-10-05
PFU LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] When, for example, a wrinkled document is transported and a loud sound is generated in the transport path as the document is transported, it may be misjudged that a paper jam has occurred.

Method used

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  • Document conveying device and paper jam determination method
  • Document conveying device and paper jam determination method
  • Document conveying device and paper jam determination method

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Experimental program
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Embodiment Construction

[0059] Hereinafter, a document conveyance device and a paper jam detection method according to one aspect of the present invention will be described with reference to the drawings. However, it should be noted that the technical scope of the present invention is not limited to these embodiments, but also includes inventions described in the claims and equivalent inventions thereof.

[0060] figure 1 It is a perspective view showing the document conveyance device 100 configured as an image scanner.

[0061] The document conveyance device 100 includes a lower housing 101 , an upper housing 102 , a document table 103 , a discharge table 105 , operation buttons 106 , and the like.

[0062] The upper frame 102 is arranged to cover the upper surface of the document feeder 100 , and is hingedly engaged with the lower frame 101 for opening and closing when a document is jammed or when cleaning the inside of the document feeder 100 .

[0063] The document table 103 is engaged with the...

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PUM

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Abstract

The invention provides a document conveying device and a paper jam judging method, which can suppress misjudgment of paper jams caused by the sound according to the sound generated along with the document conveyance. The document conveyance device (100) has: a first sound signal output unit (141a), at least a part of which is provided on one end of the direction perpendicular to the document conveyance direction of the document conveyance path, and outputs a sound corresponding to the sound generated during document conveyance. The first sound signal; the second sound signal output part (141b), at least a part of which is arranged on the other end perpendicular to the original conveying direction of the original conveying path, and outputs the second sound corresponding to the sound generated during the conveying of the original. a sound signal; and a sound jam detector (153) that judges whether a paper jam has occurred based on a difference between the first sound signal and the second sound signal.

Description

technical field [0001] The present invention relates to a document conveying device and a paper jam determination method, in particular to a document conveying device and a paper jam determination method for determining whether a paper jam occurs based on a sound generated during conveyance of the document. Background technique [0002] In document conveying devices such as image reading devices and image copying devices, paper jams (document jams) may occur when a document moves along a conveyance path. Generally, the document feeding device has the function of determining whether a paper jam has occurred by checking whether the document can be transported to a predetermined position in the transportation path within a predetermined time from the start of conveying the document, and stopping the operation of the device when the paper jam occurs. [0003] On the other hand, since a loud sound is generated on the conveyance path when a paper jam occurs, it is possible for the...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B65H7/06
CPCB65H3/063B65H3/0653B65H3/5284B65H5/062B65H7/06B65H7/125B65H2402/46B65H2404/6111B65H2511/522B65H2511/524B65H2511/528B65H2515/82B65H2553/30B65H2553/82B65H2557/23B65H2557/242B65H2557/31B65H2701/1311B65H2701/1313B65H2801/39H04N1/0057H04N1/00663B65H2511/24B65H2513/51B65H2220/01B65H2220/03B65H5/00B65H2557/112H04N1/00326
Inventor 海贵之本江雅信
Owner PFU LTD