BE495866A - - Google Patents
Info
- Publication number
- BE495866A BE495866A BE495866DA BE495866A BE 495866 A BE495866 A BE 495866A BE 495866D A BE495866D A BE 495866DA BE 495866 A BE495866 A BE 495866A
- Authority
- BE
- Belgium
- Prior art keywords
- additional
- relay
- station
- lamp
- circuit
- Prior art date
Links
- 238000012360 testing method Methods 0.000 claims description 22
- 230000015572 biosynthetic process Effects 0.000 claims description 7
- 230000005284 excitation Effects 0.000 claims description 4
- 238000009434 installation Methods 0.000 claims description 4
- 238000002955 isolation Methods 0.000 claims 2
- 238000004804 winding Methods 0.000 description 19
- 238000010586 diagram Methods 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 230000001960 triggered effect 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 |
|---|---|
| BE495866A true BE495866A (https=) |
Family
ID=139242
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE495866D BE495866A (https=) |
Country Status (1)
| Country | Link |
|---|---|
| BE (1) | BE495866A (https=) |
-
0
- BE BE495866D patent/BE495866A/fr unknown
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