| 发明名称 |
ELASTIC SURFACE WAVE TRANSDUCER |
| 摘要 |
PURPOSE:To suppress triple transit echo, by zeroing the reflection based on the discontinity of auido impedance, through the arrangement of fingers of an inter digital transducer with a given distance. |
| 申请公布号 |
JPS5419634(A) |
申请公布日期 |
1979.02.14 |
| 申请号 |
JP19770084244 |
申请日期 |
1977.07.15 |
| 申请人 |
HITACHI LTD |
发明人 |
HANMA KENTAROU;HAZAMA TAKESHI |
| 分类号 |
H03H3/08;H03H9/02;H03H9/145 |
主分类号 |
H03H3/08 |
| 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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