DE130114C - - Google Patents
Info
- Publication number
- DE130114C DE130114C DENDAT130114D DE130114DA DE130114C DE 130114 C DE130114 C DE 130114C DE NDAT130114 D DENDAT130114 D DE NDAT130114D DE 130114D A DE130114D A DE 130114DA DE 130114 C DE130114 C DE 130114C
- Authority
- DE
- Germany
- Prior art keywords
- office
- signal
- line
- battery
- switched
- 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
- 230000011664 signaling Effects 0.000 claims 1
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M5/00—Manual exchanges
- H04M5/08—Manual exchanges using connecting means other than cords
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Interface Circuits In Exchanges (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE130114C true DE130114C (https=) |
Family
ID=398528
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DENDAT130114D Active DE130114C (https=) |
Country Status (1)
| Country | Link |
|---|---|
| DE (1) | DE130114C (https=) |
-
0
- DE DENDAT130114D patent/DE130114C/de active Active
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