| 发明名称 |
ACOUSTIC CONNECTION STATE IDENTIFICATION METHOD |
| 摘要 |
PURPOSE:To identify the satisfactoriness of the connection state between objects by the use of the propagation characteristics of the sound route formed by a sounding body, and object and a sound receiving body. |
| 申请公布号 |
JPS5220079(A) |
申请公布日期 |
1977.02.15 |
| 申请号 |
JP19750095866 |
申请日期 |
1975.08.08 |
| 申请人 |
HITACHI LTD |
发明人 |
KASAI MASUO;SHIMOMURA YUKIJI;TAKEYASU KIYOO |
| 分类号 |
B25J19/02;G01M3/24;G01N29/00;G01N29/28 |
主分类号 |
B25J19/02 |
| 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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