DE193919C - - Google Patents
Info
- Publication number
- DE193919C DE193919C DENDAT193919D DE193919DA DE193919C DE 193919 C DE193919 C DE 193919C DE NDAT193919 D DENDAT193919 D DE NDAT193919D DE 193919D A DE193919D A DE 193919DA DE 193919 C DE193919 C DE 193919C
- Authority
- DE
- Germany
- Prior art keywords
- office
- exchange
- relay
- line
- earth
- 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
- 238000000034 method Methods 0.000 description 2
- 241000947840 Alteromonadales Species 0.000 description 1
- 239000003990 capacitor Substances 0.000 description 1
- 210000000056 organs Anatomy 0.000 description 1
- 230000011664 signaling Effects 0.000 description 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 |
|---|---|
| DE193919C true DE193919C (zh) |
Family
ID=457105
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DENDAT193919D Active DE193919C (zh) |
Country Status (1)
| Country | Link |
|---|---|
| DE (1) | DE193919C (zh) |
-
0
- DE DENDAT193919D patent/DE193919C/de active Active
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