Inkjet printing apparatus and inkjet printing method
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United States of America Patent
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Jan 13, 2015
Issued Date -
N/A
app pub date -
Sep 14, 2012
filing date -
Oct 12, 2011
priority date (Note) -
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status (Latency Note)
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Abstract
There is provided an inkjet printing apparatus which can output a stable image without density unevenness by performing appropriate drive control to print elements based upon an appropriate representative temperature of a chip whatever image data is printed on a print medium. For this purpose, detection temperatures of a plurality of temperature sensors are lined up in high temperature order, and coefficients by which the respective detection temperatures are multiplied, are determined to be associated with that order at the lining-up, determining a representative temperature by the weighted average method. The common drive pulse associated with to the individual chip based upon the representative temperature thus obtained, to be applied thereto. Thereby even if temperature variations of print elements on the chip exist, it is possible to appropriately control the entire chip in temperature.
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