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发明名称
DIRECTIONAL MICROPHONE ASSEMBLY
摘要
申请公布号
EP1151635(B1)
申请公布日期
2011.05.04
申请号
EP20000913497
申请日期
2000.02.16
申请人
ETYMOTIC RESEARCH, INC
发明人
KILLION, MEAD, C.;SCHULEIN, ROBERT, B.;MONROE, TIMOTHY, S.
分类号
H04R1/38;H04R1/08;H04R1/40;H04R25/00;H04R25/02
主分类号
H04R1/38
代理机构
代理人
主权项
地址
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