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
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