发明名称 |
LINE CONCENTRATING EXCHANGE SYSTEM |
摘要 |
PURPOSE:To save the hardware for subscriber unit, the quantity of information transmission, and the common use signal unit, by concentrating the control to the office side unit, and to prevent the increase in the call delay time. |
申请公布号 |
JPS5286704(A) |
申请公布日期 |
1977.07.19 |
申请号 |
JP19760002704 |
申请日期 |
1976.01.14 |
申请人 |
OKI ELECTRIC IND CO LTD;NIPPON TELEGRAPH & TELEPHONE |
发明人 |
SUGIOKA TAKASHI;ARAI TOSHIO;IINO YOSHIROU;HARIKI ATSUSHI |
分类号 |
H04Q3/545;H04Q3/60;H04Q3/72 |
主分类号 |
H04Q3/545 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|