发明名称 Multiple channel system for a twisted pair telephone wire local loop system
摘要 The system ( 50 ) has a subscriber digital filter system ( 54 )connected to the twisted pair telephone wire ( 56 ). A subscriber controller ( 52 ) sends control signals to the subscriber digital filter system ( 54 ). An office digital filter system ( 58 ) is connected to the twisted pair telephone wire ( 56 ). An office controller ( 60 ) sends control signals to the office digital filter system ( 58 ).
申请公布号 US2005123002(A1) 申请公布日期 2005.06.09
申请号 US20030717102 申请日期 2003.11.19
申请人 SKEBA PHILLIP G.;HALLING DALE B.;LEDBETTER NELSON L.;FOLDS EDWARD R.;STARR THOMAS J.J. 发明人 SKEBA PHILLIP G.;HALLING DALE B.;LEDBETTER NELSON L.;FOLDS EDWARD R.;STARR THOMAS J.J.
分类号 H04J1/12;H04L27/26;(IPC1-7):H04L12/28 主分类号 H04J1/12
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