| 发明名称 |
ANORDNING FOR METNING AV LINJETILLSTANDET PA EN ABONNENTLINJE MED HJELP AV ETT METMOTSTAND |
| 摘要 |
The line condition of a subscriber's line circuit supplied by an A.C. signal generator and an AC/DC converter is measured by means of a measuring resistor. The measuring resistor is inductively coupled to the supply circuit, which simplifies the measuring circuit. |
| 申请公布号 |
SE7807290(L) |
申请公布日期 |
1979.09.07 |
| 申请号 |
SE19780007290 |
申请日期 |
1978.06.28 |
| 申请人 |
PHILIPS NV |
发明人 |
BROCKMANN K-D K;DIJKMANS E C |
| 分类号 |
H04M3/02;H04B17/00;H04M3/30;H04M19/00;(IPC1-7):H04M3/22 |
主分类号 |
H04M3/02 |
| 代理机构 |
|
代理人 |
|
| 主权项 |
|
| 地址 |
|
