发明名称 CHARGE INFORMATION SIGNAL TRANSMISSION SYSTEM
摘要 PURPOSE:To secure a transmission of the charge information signal without no effect given to the call meter due to the meter pulse for charge information transmission for the concentrated automatic charging, by providing a discriminating function to decide a concentration automatic charging or a call meter record to the common control unit connection marker along with a circuit which sends the information to the charge information transmission unit.
申请公布号 JPS5320805(A) 申请公布日期 1978.02.25
申请号 JP19760094856 申请日期 1976.08.11
申请人 HITACHI LTD 发明人 NAGURA HOUNOU;TSUKANE KATSUNORI
分类号 H04M15/28;(IPC1-7):04M15/28 主分类号 H04M15/28
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