发明名称 |
Liquid level detector for ink jet printer |
摘要 |
An ink level detector for use with an ink jet printer includes two electrodes for sensing changes in ink level inside an ink reservoir due to consumption. Fresh ink is supplied to the reservoir from an ink cartridge which is mounted in an upper wall of the reservoir. At least one of the two electrodes is positioned adjacent to a location where the cartridge is mounted to the upper wall of the reservoir.
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申请公布号 |
US4626874(A) |
申请公布日期 |
1986.12.02 |
申请号 |
US19850751527 |
申请日期 |
1985.07.03 |
申请人 |
RICOH COMPANY, LTD. |
发明人 |
MURAI, TOSHIHARU;JINNAI, KOICHIRO;AMEYAMA, MINORU;UMEZAWA, MICHIO |
分类号 |
B41J2/175;(IPC1-7):G01D18/00 |
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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