| 发明名称 |
TIME DIVISION TELEPHONE EXCHANGE SYSTEM |
| 摘要 |
PURPOSE:To simplify the structure of trunk circuit, control unit and processing software by completing the same time division multiple format including digital multiple circuit and signals between stations. |
| 申请公布号 |
JPS52117503(A) |
申请公布日期 |
1977.10.03 |
| 申请号 |
JP19760034958 |
申请日期 |
1976.03.29 |
| 申请人 |
NIPPON ELECTRIC CO |
发明人 |
YOSHIDA YOSHINORI;YAMAGUCHI TAKEHIKO |
| 分类号 |
H04Q11/04;(IPC1-7):04Q11/04 |
主分类号 |
H04Q11/04 |
| 代理机构 |
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代理人 |
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