Multifeed processing apparatus, multifeed processing method, and multifeed processing program
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United States of America Patent
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May 21, 2013
Grant Date -
Nov 17, 2011
app pub date -
Mar 9, 2011
filing date -
May 14, 2010
priority date (Note) -
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status (Latency Note)
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Abstract
A multifeed processing apparatus includes a control unit and is connected to a multifeed detecting mechanism and an image reading mechanism. The control unit includes (i) a calculating unit that calculates a shape of a peripheral edge of a medium from any one or both of an output of the image reading mechanism and an image of the medium read by the image reading mechanism, (ii) a detecting unit that detects a change in the shape on a boundary of an overlap detected portion, from the shape calculated by the calculating unit and a position of the overlap detected portion detected by the multifeed detecting mechanism, and (iii) a deciding unit that determines a case where the change in the shape is detected by the detecting unit, as a multifeed.
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