DE125825C - - Google Patents
Info
- Publication number
- DE125825C DE125825C DENDAT125825D DE125825DA DE125825C DE 125825 C DE125825 C DE 125825C DE NDAT125825 D DENDAT125825 D DE NDAT125825D DE 125825D A DE125825D A DE 125825DA DE 125825 C DE125825 C DE 125825C
- Authority
- DE
- Germany
- Prior art keywords
- line
- test
- relay
- armature
- busy
- 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
- 230000006698 induction Effects 0.000 description 1
- 238000009413 insulation 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)
- Monitoring And Testing Of Exchanges (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE125825C true DE125825C (cs) |
Family
ID=394522
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DENDAT125825D Active DE125825C (cs) |
Country Status (1)
| Country | Link |
|---|---|
| DE (1) | DE125825C (cs) |
-
0
- DE DENDAT125825D patent/DE125825C/de active Active
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