发明授权
- 专利标题: Detecting loss of echo cancellation
- 专利标题(中): 检测回声消除的损失
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申请号: US766234申请日: 1991-09-24
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公开(公告)号: US5206854A公开(公告)日: 1993-04-27
- 发明人: William L. Betts , Robert A. Day, II
- 申请人: William L. Betts , Robert A. Day, II
- 申请人地址: NJ Murray Hill
- 专利权人: AT&T Bell Laboratories
- 当前专利权人: AT&T Bell Laboratories
- 当前专利权人地址: NJ Murray Hill
- 主分类号: H04B3/23
- IPC分类号: H04B3/23
摘要:
In a full-duplex modem, correlation of an echo estimate signal with an echo-canceled signal is used to determine the presence or absence of a remote signal.
公开/授权文献
- US5929646A Interposer and module test card assembly 公开/授权日:1999-07-27
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