Ink-jet printing method and ink-jet printer
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United States of America Patent
Stats
-
Mar 16, 2004
Grant Date -
Jul 19, 2001
app pub date -
Jan 11, 2001
filing date -
Jan 14, 2000
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
In an ink-jet printing method and ink-jet printer for printing an image on a printing medium by driving print elements of a printhead and ejecting ink in accordance with an image signal, the timing of driving the plurality of print elements of the printhead is divided into a plurality of timings, and print elements, of the plurality of print elements, which are spaced apart from each other by a predetermined distance are selected as one group at each of the plurality of timings. The print elements belonging to the selected group are energized and driven. The dispersed print elements are changed a predetermined period of time after the driving, and the changed print elements are driven. This driving operation is repeatedly executed for all the print elements of the printhead to print an image corresponding to the image signal.
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Cited Art Landscape
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