发明名称 |
Centrally-controlled change-over device |
摘要 |
The invention relates to a centrally-controlled change-over device with a plurality of galvanic change-over switching points, switched by means of relays, for changing over lines and devices in telecommunication exchanges. To avoid switching-on and -off peaks during a change-over of several or all change-over switching points switched by means of relays, these are progressively changed over. <IMAGE>
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申请公布号 |
DE3223845(A1) |
申请公布日期 |
1983.12.29 |
申请号 |
DE19823223845 |
申请日期 |
1982.06.25 |
申请人 |
SIEMENS AG |
发明人 |
HOFFMEISTER,ULRICH,DIPL.-ING. |
分类号 |
H04M3/12;H04Q3/54;(IPC1-7):H04Q3/48 |
主分类号 |
H04M3/12 |
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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