METHOD OF AND APPARATUS FOR ECHO DETECTION IN VOICE CHANNEL SIGNALS,申请号EP19810303696-传众专利搜索

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发明名称	METHOD OF AND APPARATUS FOR ECHO DETECTION IN VOICE CHANNEL SIGNALS
摘要
申请公布号	EP0047590(B1)	申请公布日期	1985.06.12
申请号	EP19810303696	申请日期	1981.08.13
申请人	NORTHERN TELECOM LIMITED	发明人	DAABOUL, FOUAD;LE VAN, TIU;FUNG, KIT-CHUNG
分类号	G10L11/00;H04B3/20;H04J3/17;(IPC1-7):H04B3/20	主分类号	G10L11/00
代理机构		代理人
主权项
地址

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