Inkjet recording apparatus and inkjet recording method
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United States of America Patent
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Sep 9, 2014
Grant Date -
Dec 27, 2012
app pub date -
Apr 19, 2012
filing date -
Jun 21, 2011
priority date (Note) -
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status (Latency Note)
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Abstract
According to one embodiment, an inkjet recording apparatus includes a head body, electrodes, a nozzle plate and a control section. The control section is electrically connected to the electrodes and applies an ejection pulse or a non-ejection pulse to the electrodes. The ejection pulse includes a first voltage change process for increasing the volume of a pressure chamber and a second voltage change process for reducing the volume of the pressure chamber, has width equal to or larger than 0.95 times and equal to or smaller than 1.05 times of a pressure propagation time in the pressure chamber, and ejects the ink from a nozzle. The non-ejection pulse has width equal to or larger than 0.2 times and equal to or smaller than 0.34 times of the width of the ejection pulse and stops the ink in the nozzle.
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