Inkjet head, driving device of inkjet head and driving method thereof

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United States of America Patent

PATENT NO 9186891
APP PUB NO 20150070423A1
SERIAL NO

14477706

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Abstract

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A driving device of an inkjet head including a pressure chamber for accommodating ink, a nozzle that communicates with the pressure chamber to eject the ink in the pressure chamber, and an actuator for expanding or contracting a volume of the pressure chamber, is provided with a drive circuit that applies a driving signal to the inkjet head. The driving signal includes: a first contracting pulse, a first expanding pulse following the first contracting pulse, a second contracting pulse following the first expanding pulse, a second expanding pulse following the second contracting pulse, and a third contracting pulse following the second expanding pulse.

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Patent Owner(s)

  • KABUSHIKI KAISHA TOSHIBA;TOSHIBA TEC KABUSHIKI KAISHA

International Classification(s)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Norigoe, Takashi Shimizu Shizuoka, JP 20 210

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