| 发明名称 |
Liquid-level detector |
| 摘要 |
A light-emitting element and a light-responsive element are optically connected with each other through a U-shaped optical guide. An output level of the light-responsive element indicates whether the U-shaped guide is above or below the liquid-level.
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| 申请公布号 |
US4132899(A) |
申请公布日期 |
1979.01.02 |
| 申请号 |
US19760707655 |
申请日期 |
1976.07.22 |
| 申请人 |
SHARP KABUSHIKI KAISHA |
发明人 |
SHIGEMASA, JUNICHIRO;OHNO, TAKASHI;TACHIKAWA, SADAO |
| 分类号 |
G01F23/292;(IPC1-7):G01N21/26 |
主分类号 |
G01F23/292 |
| 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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