BE340840A - - Google Patents
Info
- Publication number
- BE340840A BE340840A BE340840DA BE340840A BE 340840 A BE340840 A BE 340840A BE 340840D A BE340840D A BE 340840DA BE 340840 A BE340840 A BE 340840A
- Authority
- BE
- Belgium
- Prior art keywords
- relay
- armature
- circuit
- switch
- earth
- Prior art date
Links
- 238000004804 winding Methods 0.000 claims description 23
- 238000012360 testing method Methods 0.000 claims description 13
- 238000004891 communication Methods 0.000 claims description 9
- 230000005540 biological transmission Effects 0.000 claims description 4
- 230000005284 excitation Effects 0.000 claims description 3
- 239000004020 conductor Substances 0.000 description 54
- 230000009471 action Effects 0.000 description 7
- 230000002787 reinforcement Effects 0.000 description 6
- 238000012544 monitoring process Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 230000008859 change Effects 0.000 description 3
- 230000002028 premature Effects 0.000 description 3
- 238000011010 flushing procedure Methods 0.000 description 2
- 230000006698 induction Effects 0.000 description 2
- 230000004044 response Effects 0.000 description 2
- 230000003213 activating effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 239000003990 capacitor Substances 0.000 description 1
- 230000001934 delay Effects 0.000 description 1
- 210000004207 dermis Anatomy 0.000 description 1
- 230000000977 initiatory effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000007257 malfunction Effects 0.000 description 1
- 238000005259 measurement 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
- 230000008569 process Effects 0.000 description 1
- 239000013589 supplement Substances 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
- H04M3/64—Arrangements for signalling the number or class of the calling line to the operator
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Interface Circuits In Exchanges (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE340840A true BE340840A (https=) |
Family
ID=17554
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE340840D BE340840A (https=) |
Country Status (1)
| Country | Link |
|---|---|
| BE (1) | BE340840A (https=) |
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0
- BE BE340840D patent/BE340840A/fr unknown