发明名称 |
Liquid consumption status detecting method, liquid container, and ink cartridge |
摘要 |
A method of detecting a consumption status of liquid contained in a liquid container, comprising steps of: preparing a detection device having a piezoelectric element and attaching the detection device on a desired position of the liquid container so that at least a part of the detection device contacting the liquid; measuring a residual vibration of the detection device; and detecting the consumption status of the liquid contained in the liquid container on the basis of a result of the measurement of the residual vibration.
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申请公布号 |
US2004056910(A1) |
申请公布日期 |
2004.03.25 |
申请号 |
US20030662397 |
申请日期 |
2003.09.16 |
申请人 |
SEIKO EPSON CORPORATION |
发明人 |
USUI MINORU;TSUKADA KENJI;KANAYA MUNEHIDE;TAMURA NOBORU |
分类号 |
B41J2/17;B41J2/175;B65D25/56;B65D81/24;B65D85/00;G01F23/22;G01F23/296;(IPC1-7):B41J2/195 |
主分类号 |
B41J2/17 |
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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