BE347955A - - Google Patents
Info
- Publication number
- BE347955A BE347955A BE347955DA BE347955A BE 347955 A BE347955 A BE 347955A BE 347955D A BE347955D A BE 347955DA BE 347955 A BE347955 A BE 347955A
- Authority
- BE
- Belgium
- Prior art keywords
- contact
- relay
- subscriber
- circuit
- operator
- Prior art date
Links
- 239000004020 conductor Substances 0.000 description 43
- 238000004804 winding Methods 0.000 description 20
- 230000000903 blocking effect Effects 0.000 description 9
- 230000005284 excitation Effects 0.000 description 7
- 239000003990 capacitor Substances 0.000 description 4
- 230000000694 effects Effects 0.000 description 2
- 230000011664 signaling Effects 0.000 description 2
- 241001674048 Phthiraptera Species 0.000 description 1
- 206010035148 Plague Diseases 0.000 description 1
- 241000607479 Yersinia pestis Species 0.000 description 1
- 239000008186 active pharmaceutical agent Substances 0.000 description 1
- 230000037007 arousal Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000000977 initiatory effect Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000000644 propagated effect Effects 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 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
- H04M3/62—Keyboard equipment
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Interface Circuits In Exchanges (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE347955A true BE347955A (https=) |
Family
ID=23529
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE347955D BE347955A (https=) |
Country Status (1)
| Country | Link |
|---|---|
| BE (1) | BE347955A (https=) |
-
0
- BE BE347955D patent/BE347955A/fr unknown
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