DE163168C - - Google Patents
Info
- Publication number
- DE163168C DE163168C DENDAT163168D DE163168DA DE163168C DE 163168 C DE163168 C DE 163168C DE NDAT163168 D DENDAT163168 D DE NDAT163168D DE 163168D A DE163168D A DE 163168DA DE 163168 C DE163168 C DE 163168C
- Authority
- DE
- Germany
- Prior art keywords
- call
- short
- plug
- monitoring
- 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
- 238000012544 monitoring process Methods 0.000 claims description 10
- 238000004804 winding Methods 0.000 description 8
- 238000012360 testing method Methods 0.000 description 4
- 239000003990 capacitor Substances 0.000 description 2
- 238000010276 construction Methods 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 |
|---|---|
| DE163168C true DE163168C (https=) |
Family
ID=428885
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DENDAT163168D Active DE163168C (https=) |
Country Status (1)
| Country | Link |
|---|---|
| DE (1) | DE163168C (https=) |
-
0
- DE DENDAT163168D patent/DE163168C/de active Active
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