Reading apparatus, correction value calculating method and ink jet recording apparatus
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United States of America Patent
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Nov 22, 2016
Grant Date -
Sep 22, 2016
app pub date -
Mar 11, 2016
filing date -
Mar 16, 2015
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
The correction value calculating method of the reading apparatus includes a reading value acquiring step of acquiring reading values at respective pixels for respective reading positions at both ends of a reading range of the reference member and reading values at respective two or more pixels for respective reading positions in the reading range except the reading positions, and reading values for respective two or more reading positions at respective pixels while relatively moving an image pickup element in which a plurality of pixels are arranged along a first direction and the reference member which becomes a reference for shading correction, and a correction value calculating step of calculating a correction value for shading correction based on the acquired reading values.
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