| 发明名称 |
Method of and device for detecting amount of ink in ink fountain |
| 摘要 |
The amount of ink in an ink fountain in a printer is detected on the basis of change of oscillation. The oscillation frequency is changed on the basis of dielectric constant information on the dielectric constant of the ink.
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| 申请公布号 |
US2003000397(A1) |
申请公布日期 |
2003.01.02 |
| 申请号 |
US20020184887 |
申请日期 |
2002.07.01 |
| 申请人 |
RISO KAGAKU CORPORATION |
发明人 |
INOUE HIDEAKI |
| 分类号 |
B41L13/18;B41F31/02;G01F23/26;(IPC1-7):B41L13/18 |
主分类号 |
B41L13/18 |
| 代理机构 |
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代理人 |
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