| 发明名称 |
CHARGE INFORMATION SIGNAL SENDING |
| 摘要 |
PURPOSE:To use the call meter pulse from the output trunk as the charge information signal sending and the call meter operation or only the charge information signal sending by reconstructing the conventional switching. |
| 申请公布号 |
JPS52122012(A) |
申请公布日期 |
1977.10.13 |
| 申请号 |
JP19760038193 |
申请日期 |
1976.04.07 |
| 申请人 |
HITACHI LTD |
发明人 |
NAGURA HOUNOU;TSUKANE KATSUNORI |
| 分类号 |
H04M15/00;(IPC1-7):04M15/00 |
主分类号 |
H04M15/00 |
| 代理机构 |
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代理人 |
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| 地址 |
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