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发明名称
ELECTROACOUSTIC TRANSDUCER OF ELECTROSTATIC TYPE
摘要
PURPOSE:To vary the directivity by supplying one of statinary electrode with a signal voltage, which is superposed upon a DC voltage, and another stationary electrode with signal voltage, to change the polarity of the phase.
申请公布号
JPS52132820(A)
申请公布日期
1977.11.07
申请号
JP19760049608
申请日期
1976.04.30
申请人
VICTOR COMPANY OF JAPAN
发明人
KISHI OSANORI;YAMAMOTO TOSHIAKI
分类号
H04R19/00;(IPC1-7):04R19/00
主分类号
H04R19/00
代理机构
代理人
主权项
地址
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