发明名称 |
Switching arrangement for a telephone system for connecting a calling subscriber set to an idle connector set upon recognizing a loop in the connector set |
摘要 |
A switching arrangement for a telephone system, wherein a subscriber circuit is connected over crosspoints of corresponding switching matrix stages to a junctor circuit feeding said subscriber circuit and receiving the signals thereof, wherein a common link-selecting and marking unit controls the switching of transmission paths as required by a common central control unit, and wherein a subscriber and junctor busy/free marking store marks an available junctor circuit.
|
申请公布号 |
US4079206(A) |
申请公布日期 |
1978.03.14 |
申请号 |
US19760692992 |
申请日期 |
1976.06.04 |
申请人 |
SIEMENS AKTIENGESELLSCHAFT |
发明人 |
FRANCHI, BRUNO;KOFLER, CHRISTIAN |
分类号 |
H04Q3/52;(IPC1-7):H04Q3/52 |
主分类号 |
H04Q3/52 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|