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发明名称
ELECTRET-CONDENSER MICROPHONE
摘要
申请公布号
EP1742508(B1)
申请公布日期
2009.08.19
申请号
EP20050734718
申请日期
2005.04.25
申请人
HOSIDEN CORPORATION
发明人
SHIGENO, YASUHIRO;YASUDA, MAMORU;SUGIMORI, YASUO;TOYODA, NAOKI
分类号
H04R1/06;H04R1/02;H04R19/01
主分类号
H04R1/06
代理机构
代理人
主权项
地址
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