发明名称 ONEEWAY TRANSDUCER
摘要 PURPOSE:To ensure generation of the one-way ram wave and the surface wave by applying the voltage having a phase difference to the roller-screen type electrodes which are arranged asymmetrically.
申请公布号 JPS543446(A) 申请公布日期 1979.01.11
申请号 JP19770067819 申请日期 1977.06.10
申请人 TDK ELECTRONICS CO LTD;TODA KOJI 发明人 TODA KOUJI
分类号 H03H3/08;H03H9/145 主分类号 H03H3/08
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