| 发明名称 |
DOUBLE LINE TWOOWAY TRANSMISSION SYSTEM |
| 摘要 |
PURPOSE:To eliminate installation of power source at either terminal station of the two by securing double line wiring between the two terminal stations. |
| 申请公布号 |
JPS5280710(A) |
申请公布日期 |
1977.07.06 |
| 申请号 |
JP19750156847 |
申请日期 |
1975.12.27 |
| 申请人 |
FUJITSU LTD |
发明人 |
KANZAKI HISAO;KOJIMA HIROHITO;AKAO TAKASHI |
| 分类号 |
H04L5/14;H04B3/50;H04B3/54;H04L25/02 |
主分类号 |
H04L5/14 |
| 代理机构 |
|
代理人 |
|
| 主权项 |
|
| 地址 |
|
