发明名称 |
Ink jet recording apparatus and ink jet recording head |
摘要 |
The present invention reduces image deterioration such as density nonuniformity when recording is performed using a recording head having two ejection orifice rows that eject a predetermined achromatic ink, for example, gray ink. For this purpose, the distance between two ejection orifice rows that eject a predetermined achromatic ink is larger than the distance between two ejection orifice rows that eject a predetermined chromatic ink. |
申请公布号 |
US8136919(B2) |
申请公布日期 |
2012.03.20 |
申请号 |
US20090490267 |
申请日期 |
2009.06.23 |
申请人 |
MARU AKIKO;TAKAHASHI KIICHIRO;EDAMURA TETSUYA;TESHIGAWARA MINORU;NAKANO TAKATOSHI;TAIRA HIROSHI;CANON KABUSHIKI KAISHA |
发明人 |
MARU AKIKO;TAKAHASHI KIICHIRO;EDAMURA TETSUYA;TESHIGAWARA MINORU;NAKANO TAKATOSHI;TAIRA HIROSHI |
分类号 |
B41J2/21 |
主分类号 |
B41J2/21 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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