发明授权
- 专利标题: Ink ejecting device for use in an ink jet printing apparatus
- 专利标题(中): 用于喷墨打印设备的喷墨装置
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申请号: US581638申请日: 1995-12-28
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公开(公告)号: US5781203A公开(公告)日: 1998-07-14
- 发明人: Yoshiko Uriu , Eiichi Tone
- 申请人: Yoshiko Uriu , Eiichi Tone
- 申请人地址: JPX Osaka-fu
- 专利权人: Mita Industrial Co., Ltd.
- 当前专利权人: Mita Industrial Co., Ltd.
- 当前专利权人地址: JPX Osaka-fu
- 优先权: JPX7-4073 19950113; JPX7-45792 19950306
- 主分类号: B41J2/045
- IPC分类号: B41J2/045 ; B41J29/38
摘要:
An ink ejecting device for use in an ink jet printing apparatus, includes: a number of ejecting elements arranged in a matrix having a first number of columns and a second number of rows, each ejecting element having: an ink chamber whose volume is changeable, an ejection nozzle communicating with the ink chamber, and an ink supply hole communicating with the ink chamber, and an piezoelectric conversion element, a drive portion for driving piezoelectric conversion elements of each column in a manner for expanding the ink chamber to allow ink to flow into the ink chamber and contracting the ink chamber to eject ink from the ink chamber through the ejection nozzle.
公开/授权文献
- US5107849A System and method for cancellation of signal artifacts 公开/授权日:1992-04-28
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