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
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