Doppler type flow velocity meter |
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| 申请号 | JP3553675 | 申请日 | 1975-03-26 | 公开(公告)号 | JPS51111368A | 公开(公告)日 | 1976-10-01 |
| 申请人 | Hitachi Medical Corp; | 发明人 | KATAKURA KAGENORI; | ||||
| 摘要 | PURPOSE:To eleminate noize by selecting especially the relation between transmission wave frequency and local generation wave frequency of receiving position. | ||||||
| 权利要求 | |||||||
| 说明书全文 | |||||||
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