DE168853C - - Google Patents
Info
- Publication number
- DE168853C DE168853C DENDAT168853D DE168853DA DE168853C DE 168853 C DE168853 C DE 168853C DE NDAT168853 D DENDAT168853 D DE NDAT168853D DE 168853D A DE168853D A DE 168853DA DE 168853 C DE168853 C DE 168853C
- Authority
- DE
- Germany
- Prior art keywords
- call
- line
- battery
- winding
- relay
- 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
- 238000004804 winding Methods 0.000 claims description 19
- 238000012544 monitoring process Methods 0.000 claims description 3
- 239000003990 capacitor Substances 0.000 description 1
- 230000010287 polarization Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M9/00—Arrangements for interconnection not involving centralised switching
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Interface Circuits In Exchanges (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE168853C true DE168853C (https=) |
Family
ID=434032
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DENDAT168853D Active DE168853C (https=) |
Country Status (1)
| Country | Link |
|---|---|
| DE (1) | DE168853C (https=) |
-
0
- DE DENDAT168853D patent/DE168853C/de active Active
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