| 发明名称 |
Method for protecting telecommunications and signalling cables |
| 摘要 |
In order to avoid direct overload of an ARS device for protecting telecommunications and signalling cables, the induced noise voltage is used for automatic control of the adjustment range of the amplifier.
|
| 申请公布号 |
DE3520306(A1) |
申请公布日期 |
1986.12.11 |
| 申请号 |
DE19853520306 |
申请日期 |
1985.06.07 |
| 申请人 |
KABELMETAL ELECTRO GMBH |
发明人 |
BAUM,WALTER,DIPL.-PHYS.;BALZ,ALEXANDER |
| 分类号 |
H04B3/28;(IPC1-7):H04B3/28 |
主分类号 |
H04B3/28 |
| 代理机构 |
|
代理人 |
|
| 主权项 |
|
| 地址 |
|
