| 发明名称 |
OVERSPEED LEVEL DETECTOR |
| 摘要 |
PURPOSE:To sense the magnitude of earthquakes with simple construction by utilizing the vertical movement of the liquid level provided between inner and outer tubes owing to its force of inertia when acted with acceleration. |
| 申请公布号 |
JPS52125373(A) |
申请公布日期 |
1977.10.21 |
| 申请号 |
JP19760041380 |
申请日期 |
1976.04.14 |
| 申请人 |
HITACHI LTD |
发明人 |
AKASAKA KICHIDOU;SHIBATA TADASHI;SHIGETA MASAYUKI |
| 分类号 |
G01P15/02;G01H1/00;G01P15/08 |
主分类号 |
G01P15/02 |
| 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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