| 发明名称 |
SUPER SONIC TRANSFER TIME MEASUREMENT DEVICE |
| 摘要 |
PURPOSE:To measure stable and accurate time for the transfer of super sonic with less error even under the conditions where occurring considerable fractuation in sonic wave, by making receiving wave larger by maximum utilization of resonance characteristic of super sonic element. |
| 申请公布号 |
JPS5217851(A) |
申请公布日期 |
1977.02.10 |
| 申请号 |
JP19750093148 |
申请日期 |
1975.08.01 |
| 申请人 |
HITACHI LTD |
发明人 |
NAKAMURA HISAO;SATOU NOBUO;MASUDA IKUO |
| 分类号 |
G01P5/00;G01F1/66;G01S7/526;G01S15/00 |
主分类号 |
G01P5/00 |
| 代理机构 |
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代理人 |
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