ECHO CANCELLER HAVING FIR AND IIR FILTERS FOR CANCELLING LONG TAIL ECHOES,申请号US19900484095-传众专利搜索

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发明名称	ECHO CANCELLER HAVING FIR AND IIR FILTERS FOR CANCELLING LONG TAIL ECHOES
摘要
申请公布号	US5084865(A)	申请公布日期	1992.01.28
申请号	US19900484095	申请日期	1990.02.23
申请人	NEC CORPORATION	发明人	KOIKE, SHIN'ICHI
分类号	H04B3/23	主分类号	H04B3/23
代理机构		代理人
主权项
地址

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