发明名称 |
Modular time-division switching network |
摘要 |
The modular switching network for time-division telephone exchanges, which may be applied to small-capacity time-division telephone exchanges, is constituted by the direct connection of pairs of subscriber and trunk line connecting units by PCM digital trunks, each connecting unit comprising a concentration-deconcentrator device for serving the subscribers associated with this connecting unit.
|
申请公布号 |
US4317008(A) |
申请公布日期 |
1982.02.23 |
申请号 |
US19800143555 |
申请日期 |
1980.04.25 |
申请人 |
LE MATERIEL TELEPHONIQUE THOMSON-CSF |
发明人 |
ATHENES, CLAUDE;MERESSE, JEAN L. J.;SALLE, JACQUES E. |
分类号 |
H04Q11/04;(IPC1-7):H04Q3/60 |
主分类号 |
H04Q11/04 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|