<p>A telephone system serves a plurality of telephone stations by a common cable over which different carrier frequency telephone channels are provided for individual audio communication paths between subscribers and wherein a control center automatically monitors and allocates the utilization of all telephone channels.</p>
申请公布号
CA1027266(A)
申请公布日期
1978.02.28
申请号
CA19740203325
申请日期
1974.06.25
申请人
ROCKWELL INTERNATIONAL CORPORATION
发明人
DELONG, VINCENT R.;APPLE, FRANK M.;HOUGHTON, EDWIN G.;LUDVIGSON, MERRILL T.;LEESON, JOHN L.
