Ink jet recording apparatus and method in which an amount of ink ejected is corrected according to a recording head state
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United States of America Patent
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Jun 2, 1998
Grant Date -
N/A
app pub date -
Sep 21, 1994
filing date -
Sep 24, 1993
priority date (Note) -
Expired
status (Latency Note)
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Abstract
When a recording head having an arrangement of plural ejection portions for ejecting ink is moved for scanning, coefficients for the calculation of blur correction are set according to the number of nozzles used during scanning (magnification), and image signals corresponding to nozzles at scanning boundaries are corrected by an amount selected according to the set coefficients. This method makes it possible to always obtain a good image in which stripes formed at such boundaries are reduced even if image recording conditions are changed.
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