公开(公告)号：US3673336A

公开(公告)日：1972-06-27

申请号：US3673336D

申请日：1970-10-12

Applicant: INT STANDARD ELECTRIC CORP

Inventor： THOMAS DAVID MICHAEL

IPC: H04Q11/04 ,  H04J3/08

CPC classification number: H04Q11/04

Abstract: A time division multiplex (TDM) switch is provided which serves a number of highways. Individual subscriber loops are connectd to the TDM switch in place of some of the TDM channels on the highways. This enables the ratio of TDM channels to individual loops to be altered conveniently.

Abstract translation: 提供了用于多条高速公路的时分复用（TDM）开关。 单个用户环路连接到TDM交换机，代替高速公路上的一些TDM信道。 这样可以方便地改变TDM信道与各个环路的比例。