BE343767A - - Google Patents
Info
- Publication number
- BE343767A BE343767A BE343767DA BE343767A BE 343767 A BE343767 A BE 343767A BE 343767D A BE343767D A BE 343767DA BE 343767 A BE343767 A BE 343767A
- Authority
- BE
- Belgium
- Prior art keywords
- circuit
- relay
- trunk line
- semi
- automatic
- Prior art date
Links
- 239000004020 conductor Substances 0.000 claims description 43
- 238000012360 testing method Methods 0.000 claims description 20
- 238000012544 monitoring process Methods 0.000 claims description 10
- 238000004891 communication Methods 0.000 claims description 6
- 230000000694 effects Effects 0.000 claims description 3
- 230000001939 inductive effect Effects 0.000 claims description 2
- 230000002708 enhancing effect Effects 0.000 claims 1
- 239000000126 substance Substances 0.000 claims 1
- 238000004804 winding Methods 0.000 description 24
- 238000012546 transfer Methods 0.000 description 5
- 239000003990 capacitor Substances 0.000 description 4
- 230000006698 induction Effects 0.000 description 4
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 230000000007 visual effect Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M3/00—Automatic or semi-automatic exchanges
- H04M3/60—Semi-automatic systems, i.e. in which the numerical selection of the outgoing line is under the control of an operator
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Monitoring And Testing Of Exchanges (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE343767A true BE343767A (en:Method) |
Family
ID=20033
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE343767D BE343767A (en:Method) |
Country Status (1)
| Country | Link |
|---|---|
| BE (1) | BE343767A (en:Method) |
-
0
- BE BE343767D patent/BE343767A/fr unknown
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