Image reading apparatus with adjustable read timing
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United States of America Patent
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Jun 14, 2016
Grant Date -
Aug 13, 2015
app pub date -
Feb 12, 2015
filing date -
Feb 13, 2014
priority date (Note) -
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status (Latency Note)
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Abstract
An image reading apparatus includes: a reading unit having a plurality of photoelectric conversion elements arranged in a main scanning direction; a white reference plate arranged to face the reading unit; a motor configured to move at least one of an original and the reading unit relative to each other; and a controller configured to: control the reading unit to read the white reference plate to obtain white reference data; determine, based on a driving velocity of the motor, whether relative position between the original and the reading unit has changed by a predetermined distance; and output a displacement signal in a case of determining that the relative position between the original and the reading unit has changed by the predetermined distance.
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