BE434251A - - Google Patents
Info
- Publication number
- BE434251A BE434251A BE434251DA BE434251A BE 434251 A BE434251 A BE 434251A BE 434251D A BE434251D A BE 434251DA BE 434251 A BE434251 A BE 434251A
- Authority
- BE
- Belgium
- Prior art keywords
- line
- telephone system
- circuit
- battery
- batteries
- Prior art date
Links
- 239000003990 capacitor Substances 0.000 claims description 5
- 230000002950 deficient Effects 0.000 claims 1
- 230000005540 biological transmission Effects 0.000 description 4
- 230000006698 induction Effects 0.000 description 2
- 230000011664 signaling Effects 0.000 description 2
- 230000003213 activating effect Effects 0.000 description 1
- 150000001768 cations Chemical class 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 238000005562 fading 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
- 230000000750 progressive effect Effects 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M5/00—Manual exchanges
- H04M5/12—Calling substations, e.g. by ringing
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Devices For Supply Of Signal Current (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE434251A true BE434251A (enExample) |
Family
ID=93451
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE434251D BE434251A (enExample) |
Country Status (1)
| Country | Link |
|---|---|
| BE (1) | BE434251A (enExample) |
-
0
- BE BE434251D patent/BE434251A/fr unknown
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