SHEET MATERIAL IDENTIFICATION DEVICE AND METHOD, AND IMAGE FORMING APPARATUS
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United States of America Patent
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Issued Date -
Mar 20, 2014
app pub date -
Aug 23, 2013
filing date -
Sep 14, 2012
priority date (Note) -
Abandoned
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Abstract
A sheet material identification device includes a humidity adjuster, a detector, and a controller. The humidity adjuster adjusts the humidity of a sheet material by causing the sheet material to either release or absorb moisture. The detector detects the humidity of the sheet material before and after the adjustment of the humidity. The controller calculates a first difference in humidity of the sheet material before and after the adjustment of the humidity, and identifies the type of sheet material on the basis of the first difference.
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