Inkjet head printing device
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United States of America Patent
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Jun 29, 2010
Grant Date -
Apr 7, 2005
app pub date -
Aug 9, 2004
filing date -
Aug 14, 2003
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
There is provided an inkjet head printing device, which includes an inkjet head that has an ink flow channel unit including a plurality of nozzles for ejecting ink and a plurality of pressure chambers respectively provided for the plurality of nozzles, and has a piezoelectric actuator unit including a plurality of electrodes. The inkjet head further includes a pulse controller that generates a plurality of types of ejection pulse patterns having different phases and drives the plurality of electrodes corresponding to the plurality of nozzles which are to eject the ink using the plurality of types of ejection pulse patterns.
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