Image reading apparatus, image forming apparatus, and image processing apparatus
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United States of America Patent
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Jun 4, 2013
Grant Date -
Aug 19, 2010
app pub date -
Feb 12, 2010
filing date -
Feb 18, 2009
priority date (Note) -
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status (Latency Note)
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Abstract
In one embodiment, image reading apparatuses 100a and 100b start reading an original image after a reading start time Ta has elapsed since detecting the transport timing of an original G on the upstream side in a transport direction Y1 relative to an original reading position R1, adjust the reading start time Ta based on a reading timing adjustment time T1a from when the transport timing of an adjustment sheet P is detected until when original reading portions 200a and 200b read a position considered to be a leading edge P′ in a first mark Q1 on the adjustment sheet P, and correct the reading start timing of the original G based on a leading edge reading error correction time T2a stored in advance.
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