DE159113C - - Google Patents
Info
- Publication number
- DE159113C DE159113C DENDAT159113D DE159113DA DE159113C DE 159113 C DE159113 C DE 159113C DE NDAT159113 D DENDAT159113 D DE NDAT159113D DE 159113D A DE159113D A DE 159113DA DE 159113 C DE159113 C DE 159113C
- Authority
- DE
- Germany
- Prior art keywords
- call
- subscriber
- line
- battery
- winding
- 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 38
- 238000012360 testing method Methods 0.000 claims description 11
- 238000012544 monitoring process Methods 0.000 claims description 9
- 230000000694 effects Effects 0.000 claims description 8
- 230000009849 deactivation Effects 0.000 claims description 3
- 230000011664 signaling Effects 0.000 claims description 3
- 230000005284 excitation Effects 0.000 description 3
- 238000007792 addition Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000001419 dependent effect Effects 0.000 description 1
- 230000005291 magnetic effect Effects 0.000 description 1
- 230000005415 magnetization 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 |
|---|---|
| DE159113C true DE159113C (OSRAM) |
Family
ID=425223
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DENDAT159113D Active DE159113C (OSRAM) |
Country Status (1)
| Country | Link |
|---|---|
| DE (1) | DE159113C (OSRAM) |
-
0
- DE DENDAT159113D patent/DE159113C/de active Active
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