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Method and apparatus for sequentially feeding medium

A medium, sequential technology, applied in the direction of object supply, transportation and packaging, pile separation, etc., can solve problems such as loss of supply speed

Inactive Publication Date: 2006-07-12
SAMSUNG ELECTRONICS CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, since the next media can be fed when the rear end of the previous media passes the pick roller, the distance between where the media is picked up and where the media is delivered to the sensing unit results in a loss in feed speed

Method used

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  • Method and apparatus for sequentially feeding medium
  • Method and apparatus for sequentially feeding medium
  • Method and apparatus for sequentially feeding medium

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Embodiment Construction

[0025] The medium supply method and apparatus according to the present invention will now be described more fully with reference to the accompanying drawings.

[0026] figure 2 is a functional block diagram of a medium supply device according to an exemplary embodiment of the present invention. The medium supply device includes a sensing unit 210 , a counter 220 , a calculation unit 230 and a control unit 240 .

[0027] A medium picked up by a pickup roller (not shown) is conveyed along a conveying path, and the leading and trailing ends of the medium are detected by the sensing unit 210 located in the conveying path. The counter unit 220 measures the transfer distance between the front and rear ends of the medium detected by the sensing unit 210 .

[0028] image 3 The structure of the counter unit 230 according to an exemplary embodiment of the present invention is shown. An encoder 360 attached to a registration roller 310 has a plurality of disk-shaped slits 350 . Th...

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Abstract

A method and apparatus are provided for calculating a conveying distance of a second medium for picking up a third medium based on the length of media and the gap between a first medium and the second medium and correcting a pickup time from the third medium based on the conveying distance to sequentially feed the media. The method of sequentially feeding media includes (a) sensing the front end and the rear end of a first medium and calculating the length L 1 of the first medium; (b) sensing the front end of a second medium that is fed after the first medium and calculating the gap G 1 between the rear end of the first medium and the front end of the second medium; (c) calculating a conveying distance P 1 of the second medium for picking up a third medium after the front end of the second medium is sensed; and (d) sequentially picking up and feeding the media using the conveying distance P 1.

Description

technical field [0001] The invention relates to an image printing method and device. More specifically, the present invention relates to a method for calculating a conveying distance of a second medium for picking up a third medium based on the length of the medium and the interval between the first medium and the second medium, and transferring the distance from the third medium to the third medium based on the conveying distance. A method and apparatus for correcting pickup times to sequentially feed media are provided. Background technique [0002] In an image printing apparatus such as a laser printer, an inkjet printer, or a facsimile, it is important to control the relative time period between the moment of medium supply and the moment of image printing. In particular, in sequentially printing predetermined images to a medium, it is important to control the pickup time of the medium so as to supply the medium quickly and sequentially. [0003] figure 1 A device for ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B65H7/00B65H5/00
CPCB65H5/00B65H2701/1313B65H2511/22B65H7/02B65H2511/514B65H2511/11B65H2701/1311B65H2220/02B65H2220/03B65H2220/01B41J13/0018B41J13/106B65H1/06G03G15/6564
Inventor 黄镐斌
Owner SAMSUNG ELECTRONICS CO LTD