Piezoelectric element drive method and liquid ejecting device

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United States of America Patent

PATENT NO 9090061
APP PUB NO 20140192105A1
SERIAL NO

14146848

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Abstract

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Liquid is forced to be ejected from a liquid chamber as a drive voltage is applied to the piezoelectric element that forms part or all of the walls of the liquid chamber by means of a drive circuit to deform the piezoelectric element. The drive circuit applies a pre-drive voltage to the piezoelectric element prior to the application of the drive voltage waveform for driving the piezoelectric element. The pre-drive voltage is higher than the highest voltage level of the drive voltage waveform.

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Patent Owner(s)

  • CANON KABUSHIKI KAISHA

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Nakamura, Yohei Kawasaki, JP 68 284

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