发明名称 |
ELECTROSTATIC TYPE TRANSDUCER |
摘要 |
PURPOSE:To impart selectable directional characteristics to microphones, etc. by combining and synthesizing the outputs of a plurality of electrostatic elements which are biased to specified polarities and opposedly disposed. |
申请公布号 |
JPS539515(A) |
申请公布日期 |
1978.01.28 |
申请号 |
JP19760084102 |
申请日期 |
1976.07.15 |
申请人 |
TOKYO SHIBAURA ELECTRIC CO |
发明人 |
YAKUSHIJI NOBUO;KOJIMA TADASHI;TAKIURA SHIGERU |
分类号 |
H04R19/00;H04R19/04 |
主分类号 |
H04R19/00 |
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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