Image reading apparatus with reading position determination unit that determines reading position for original
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United States of America Patent
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Jul 11, 2017
Issued Date -
N/A
app pub date -
Feb 18, 2016
filing date -
Feb 23, 2015
priority date (Note) -
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status (Latency Note)
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Abstract
An image reading apparatus which is capable of, even when there are foreign objects on a reading glass, determining a position unlikely to be adversely affected by the foreign objects as a reading position and reading an image. An original is conveyed to a reading area on the reading glass, and a reading unit reads the original at a reading position within the reading area. Foreign objects adhered to a plurality of candidate reading positions are detected using image data read at the plurality of candidate reading positions within the reading area by the reading unit in a state where the original is not being conveyed. A density of the foreign objects is measured, and a reading position at which the original is read is selected from among the candidate reading positions according to the density of the foreign objects.
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