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发明名称
ECHO CANCELLER WITH ADAPTIVE VOICE SWITCH ATTENUATION
摘要
申请公布号
GB2245459(A)
申请公布日期
1992.01.02
申请号
GB19900013751
申请日期
1990.06.20
申请人
* MOTOROLA INC
发明人
MORTEN * THRANE;KIM TILGAARD * PETERSEN
分类号
H04B3/23;H04M9/08
主分类号
H04B3/23
代理机构
代理人
主权项
地址
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