发明名称 Modem with echo cancellation
摘要 The arrangement involves incorporating in a specific algorithm a control microprocessor that operates a canceller, combining digital and analogue signal and echo processing techniques, based on conventional elements for its implementation, without using signal processors, etc., and being able to be mounted on a single module. <IMAGE>
申请公布号 ES2011543(A6) 申请公布日期 1990.01.16
申请号 ES19890001128 申请日期 1989.03.31
申请人 TELEFONICA DE ESPANA, S.A. 发明人 RUBIO SANZ FRANCISCO J.
分类号 H04M11/06;(IPC1-7):H04M11/06 主分类号 H04M11/06
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