BE484722A - - Google Patents
Info
- Publication number
- BE484722A BE484722A BE484722DA BE484722A BE 484722 A BE484722 A BE 484722A BE 484722D A BE484722D A BE 484722DA BE 484722 A BE484722 A BE 484722A
- Authority
- BE
- Belgium
- Prior art keywords
- station
- relay
- contacts
- line
- secretary
- Prior art date
Links
- 230000005284 excitation Effects 0.000 claims description 54
- 238000004804 winding Methods 0.000 claims description 32
- 238000004891 communication Methods 0.000 claims description 19
- 230000011664 signaling Effects 0.000 claims description 16
- 238000012423 maintenance Methods 0.000 claims description 5
- 230000003213 activating effect Effects 0.000 claims description 3
- 230000008878 coupling Effects 0.000 claims description 3
- 238000010168 coupling process Methods 0.000 claims description 3
- 238000005859 coupling reaction Methods 0.000 claims description 3
- 230000001939 inductive effect Effects 0.000 claims description 3
- 230000000007 visual effect Effects 0.000 claims description 3
- 230000000694 effects Effects 0.000 claims 2
- 239000004020 conductor Substances 0.000 description 61
- 230000003111 delayed effect Effects 0.000 description 5
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q3/00—Selecting arrangements
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M9/00—Arrangements for interconnection not involving centralised switching
- H04M9/001—Two-way communication systems between a limited number of parties
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Telephonic Communication Services (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE484722A true BE484722A (en:Method) |
Family
ID=130813
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE484722D BE484722A (en:Method) |
Country Status (1)
| Country | Link |
|---|---|
| BE (1) | BE484722A (en:Method) |
-
0
- BE BE484722D patent/BE484722A/fr unknown
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