BE514857A - - Google Patents
Info
- Publication number
- BE514857A BE514857A BE514857DA BE514857A BE 514857 A BE514857 A BE 514857A BE 514857D A BE514857D A BE 514857DA BE 514857 A BE514857 A BE 514857A
- Authority
- BE
- Belgium
- Prior art keywords
- relay
- line
- wires
- wire
- switching
- Prior art date
Links
- 238000000034 method Methods 0.000 claims description 8
- 238000004804 winding Methods 0.000 claims description 6
- 230000009699 differential effect Effects 0.000 claims 1
- 230000011664 signaling Effects 0.000 claims 1
- 238000009434 installation Methods 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 3
- 244000309466 calf Species 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000005284 excitation Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M3/00—Automatic or semi-automatic exchanges
- H04M3/42—Systems providing special services or facilities to subscribers
- H04M3/58—Arrangements for transferring received calls from one subscriber to another; Arrangements affording interim conversations between either the calling or the called party and a third party
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Sub-Exchange Stations And Push- Button Telephones (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE514857A true BE514857A (enrdf_load_html_response) |
Family
ID=152546
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE514857D BE514857A (enrdf_load_html_response) |
Country Status (1)
| Country | Link |
|---|---|
| BE (1) | BE514857A (enrdf_load_html_response) |
-
0
- BE BE514857D patent/BE514857A/fr unknown
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