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发明名称
Echo canceler
摘要
申请公布号
EP0901238(A3)
申请公布日期
1999.10.20
申请号
EP19980307064
申请日期
1998.09.02
申请人
MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD.
发明人
SUGANUMA, TOSHIYA;KAWANOBE, TAKESHI
分类号
H03H17/00;H04B3/23;H04Q3/42;(IPC1-7):H04B3/23
主分类号
H03H17/00
代理机构
代理人
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