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发明名称
Microphone/loudspeakers and systems using multiple microphone/loudspeakers.
摘要
申请公布号
EP0684748(A3)
申请公布日期
1996.03.06
申请号
EP19950302818
申请日期
1995.04.26
申请人
AT&T CORP.
发明人
CIURPITA, GREGORY
分类号
H04R1/40;(IPC1-7):H04R1/40
主分类号
H04R1/40
代理机构
代理人
主权项
地址
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