Echo prevention circuit, filter coefficient setting method, and recording medium with program recorded,申请号EP20070103335-传众专利搜索

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发明名称	Echo prevention circuit, filter coefficient setting method, and recording medium with program recorded
摘要
申请公布号	EP1830550(B1)	申请公布日期	2012.04.25
申请号	EP20070103335	申请日期	2007.03.01
申请人	SANYO ELECTRIC CO., LTD.	发明人	INOUE, TAKEO;OHASHI, HIDEKI;ONAYA, YOSHITAKA
分类号	H04M9/08	主分类号	H04M9/08
代理机构		代理人
主权项
地址

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