Title:
インクジェットヘッド及びインクジェットプリンタ
Document Type and Number:
Japanese Patent JP6881899
Kind Code:
B2
Abstract:
In accordance with an embodiment, an inkjet head comprises a pressure chamber, an actuator and a control section. The pressure chamber houses ink. The actuator is driven to expand or contract the volume of the pressure chamber in order to eject the ink from an opening of the pressure chamber. The control section applies an expansion pulse of which the width is 0.4 times-0.9 times as large as an AT which is half a natural vibration period during which nozzle negative pressure is changed in the pressure chamber and which expands the pressure chamber to the actuator, and applies a contraction pulse which contracts the pressure chamber to the actuator.
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Inventors:
Ichikawa Akiya
Application Number:
JP2016108651A
Publication Date:
June 02, 2021
Filing Date:
May 31, 2016
Export Citation:
Assignee:
TOSHIBA TEC CORPORATION
International Classes:
B41J2/14
Domestic Patent References:
| JP2016087918A | ||||
| JP2011037194A | ||||
| JP2015051599A | ||||
| JP2005224998A |
Foreign References:
| WO2017099021A1 | ||||
| US20110292108 |
Attorney, Agent or Firm:
Kurata Masatoshi
Nobuhisa Nogawa
Takashi Mine
Naoki Kono
Tadashi Inoue
Ukai Ken
Nobuhisa Nogawa
Takashi Mine
Naoki Kono
Tadashi Inoue
Ukai Ken