发明名称 |
Ink jet head, ink tank and ink jet apparatus. |
摘要 |
<p>This invention relates to an ink jet recording apparatus comprises an ink jet head (1) having an ink path (4) communicating with a discharge opening (2) for discharging ink; electrodes (7a,7b,7c) arranged in said ink path (4); a residual ink quantity detection means for detecting residual ink quantity in said ink path in accordance with a resistance value, current value or voltage value from said electrodes; and a correction means for correcting said resistance value, current value or voltage value in accordance with the difference in a resistance of the ink.</p> |
申请公布号 |
EP0381392(A2) |
申请公布日期 |
1990.08.08 |
申请号 |
EP19900300843 |
申请日期 |
1990.01.26 |
申请人 |
CANON KABUSHIKI KAISHA |
发明人 |
TAJIKA, HIROSHI;HIRABAYASHI, HIROMITSU;ARAI, ATSUSHI;KOITABASHI, NORIBUMI;TAKAYAMAGI, YOSHIAKI |
分类号 |
B41J2/175 |
主分类号 |
B41J2/175 |
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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