专利名称：TRANSDUCER
发明人：HIROTAKE KAWAKAMI,KANTARO TAKADA申请号：AU7141674申请日：19740719公开号：AU7141674A公开日：19760122
摘要：An electrostatic transducer comprising a vibrating plate or electret diaphragmwhich has a monocharge on its surface and including a pair of back electrodes clampingthe electret therebetween and including an electrically conductive electrostatic shieldcovering the back electrodes so as to increase the fidelity and life of the transducer.
申请人：SONY CORP.
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