DE156439C - - Google Patents
Info
- Publication number
- DE156439C DE156439C DENDAT156439D DE156439DA DE156439C DE 156439 C DE156439 C DE 156439C DE NDAT156439 D DENDAT156439 D DE NDAT156439D DE 156439D A DE156439D A DE 156439DA DE 156439 C DE156439 C DE 156439C
- Authority
- DE
- Germany
- Prior art keywords
- extension
- office
- line
- battery
- plug
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 230000005611 electricity Effects 0.000 claims description 5
- 238000004804 winding Methods 0.000 description 18
- 230000000694 effects Effects 0.000 description 5
- 230000000284 resting effect Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M19/00—Current supply arrangements for telephone systems
- H04M19/001—Current supply source at the exchanger providing current to substations
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Interface Circuits In Exchanges (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE156439C true DE156439C (enExample) |
Family
ID=422812
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DENDAT156439D Active DE156439C (enExample) |
Country Status (1)
| Country | Link |
|---|---|
| DE (1) | DE156439C (enExample) |
-
0
- DE DENDAT156439D patent/DE156439C/de active Active
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