Inkjet head, method for driving an inkjet head, and inkjet printer
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United States of America Patent
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Feb 20, 2024
Grant Date -
N/A
app pub date -
Jul 7, 2021
filing date -
Dec 15, 2020
priority date (Note) -
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status (Latency Note)
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Abstract
An inkjet head includes a pressure chamber in which ink is stored, a nozzle plate including a nozzle which connects with the pressure chamber, an actuator configured to change a volume of the pressure chamber, and a drive circuit. The drive circuit, before a printing is performed, outputs, to the actuator for a first time period, a first signal for changing the volume of the pressure chamber without ejecting ink from the nozzle. A second signal for changing the volume of the pressure chamber is then output to the actuator for a second time period such that ink is ejected from the nozzle. A third signal for changing the volume of the pressure chamber to the extent that the ink is not ejected from the nozzle is then output to the actuator for a third time period.
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