Liquid ejecting head drive method and liquid ejection device

Details Liquid ejecting head drive method and liquid ejection device Liquid ejecting head drive method and liquid ejection device

2007-08-07

2007-08-07

Luu, Matthew (Department: 2861)

Incremental printing of symbolic information

Ink jet

Controller

C347S068000

Reexamination Certificate

active

10488747

ABSTRACT:
A liquid-ejecting apparatus according to which targeted good characteristics can be obtained, and moreover the scope for material selection can be broadened is provided. The liquid-ejecting apparatus contracts a pressure chamber and thus ejects liquid through application of voltage to a piezoelectric body, and is such that the driving waveform applied to the piezoelectric body during the liquid ejecting operation comprises a high potential period (a2) in which a voltage exhibiting an electric field strength exceeding the coercive electric field of the piezoelectric body is applied, and a reverse potential period (a6) in which a voltage such that the potential becomes of the opposite polarity to the polarity in the high potential period or the potential becomes zero is applied.

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