| 发明名称 |
FAILURE TRANSFER SYSTEM FOR NONNATTENDANT STATION |
| 摘要 |
PURPOSE:To transfer the failure of non-attendant station to the maintenance station via the relay station, by using the relay lines between stations for conventional communication. |
| 申请公布号 |
JPS5436114(A) |
申请公布日期 |
1979.03.16 |
| 申请号 |
JP19770101673 |
申请日期 |
1977.08.26 |
| 申请人 |
HITACHI LTD |
发明人 |
MORITA TAKASHI;MINOSHIMA TSUTOMU |
| 分类号 |
H04M3/22;(IPC1-7):04M3/22 |
主分类号 |
H04M3/22 |
| 代理机构 |
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代理人 |
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| 主权项 |
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| 地址 |
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