BE491234A - - Google Patents
Info
- Publication number
- BE491234A BE491234A BE491234DA BE491234A BE 491234 A BE491234 A BE 491234A BE 491234D A BE491234D A BE 491234DA BE 491234 A BE491234 A BE 491234A
- Authority
- BE
- Belgium
- Prior art keywords
- relay
- line
- test
- circuit
- telephone system
- Prior art date
Links
- 238000012360 testing method Methods 0.000 claims description 125
- 239000004020 conductor Substances 0.000 claims description 101
- 230000008030 elimination Effects 0.000 claims description 4
- 238000003379 elimination reaction Methods 0.000 claims description 4
- 230000006866 deterioration Effects 0.000 claims 1
- NLYAJNPCOHFWQQ-UHFFFAOYSA-N kaolin Chemical compound O.O.O=[Al]O[Si](=O)O[Si](=O)O[Al]=O NLYAJNPCOHFWQQ-UHFFFAOYSA-N 0.000 claims 1
- 239000003471 mutagenic agent Substances 0.000 claims 1
- 239000000126 substance Substances 0.000 claims 1
- 238000004804 winding Methods 0.000 description 19
- 230000002787 reinforcement Effects 0.000 description 7
- 239000003990 capacitor Substances 0.000 description 5
- 230000000694 effects Effects 0.000 description 5
- 230000003111 delayed effect Effects 0.000 description 4
- 230000006870 function Effects 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 3
- 230000002159 abnormal effect Effects 0.000 description 2
- 230000005284 excitation Effects 0.000 description 2
- 230000003213 activating effect Effects 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 230000008033 biological extinction Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 230000011664 signaling Effects 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M3/00—Automatic or semi-automatic exchanges
- H04M3/22—Arrangements for supervision, monitoring or testing
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q3/00—Selecting arrangements
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Testing Of Short-Circuits, Discontinuities, Leakage, Or Incorrect Line Connections (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE491234A true BE491234A (en, 2012) |
Family
ID=135753
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE491234D BE491234A (en, 2012) |
Country Status (1)
| Country | Link |
|---|---|
| BE (1) | BE491234A (en, 2012) |
-
0
- BE BE491234D patent/BE491234A/fr unknown