Image reading device, image forming apparatus, and shading data processing method
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United States of America Patent
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Aug 28, 2018
Grant Date -
Apr 20, 2017
app pub date -
Sep 27, 2016
filing date -
Oct 19, 2015
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Abstract
An image reading device includes a first unit to read one surface of a document in a first area facing a document path, a second unit disposed in the first area to read the other surface of the document, a first reference member facing the first unit at a first distance therefrom at a second position in a second area not facing the path, a second reference member facing the first unit at a second distance therefrom at a first position in the first area, a third reference member facing the second unit at the second distance therefrom, and a correction unit to correct, based on a difference between first data generated through reading of the first member by the first unit and second data generated through reading of the second member by the first unit, third data generated through reading of the third member by the second unit.
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