| 发明名称 |
WIRE BROADCASTING TELEPHONE EQUIPMENTS |
| 摘要 |
<p>PURPOSE:To release transmission quality variation from the length of transmission line to provide the same quality service with all subscribers by digitally multiplexing the line between central equipment and concentrator in the vicinty of subscribers.</p> |
| 申请公布号 |
JPS5284904(A) |
申请公布日期 |
1977.07.14 |
| 申请号 |
JP19760001024 |
申请日期 |
1976.01.06 |
| 申请人 |
MITSUBISHI ELECTRIC CORP |
发明人 |
SUGIMURA SHIGEO;NAKAMURA NOBUHIRO |
| 分类号 |
H04Q5/00;H04M11/00;(IPC1-7):04M11/00 |
主分类号 |
H04Q5/00 |
| 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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