发明名称 |
Switching network control arrangement |
摘要 |
An arrangement tears down existing connection paths in a two stage switching network wherein switching paths are set up progressively by control circuits in both switching stages. A first-stage setup command is received by a first-stage control circuit and the second-stage control circuit of the previously established connection path. The first-stage control circuit responds to the first-stage setup command to set up a connection path through the first-stage switch and the second-stage control circuit responds to the first-stage setup command to tear down the previously established connection path.
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申请公布号 |
US4229624(A) |
申请公布日期 |
1980.10.21 |
申请号 |
US19780972073 |
申请日期 |
1978.12.21 |
申请人 |
BELL TELEPHONE LABORATORIES, INCORPORATED |
发明人 |
HABEN, DALE E.;KEPLEY, GARRY D.;VANDER MOLEN, GORDON L. |
分类号 |
H04M3/50;H04Q3/68;(IPC1-7):H04Q3/42 |
主分类号 |
H04M3/50 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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