DE239737C - - Google Patents
Info
- Publication number
- DE239737C DE239737C DENDAT239737D DE239737DA DE239737C DE 239737 C DE239737 C DE 239737C DE NDAT239737 D DENDAT239737 D DE NDAT239737D DE 239737D A DE239737D A DE 239737DA DE 239737 C DE239737 C DE 239737C
- Authority
- DE
- Germany
- Prior art keywords
- line
- electromagnet
- battery
- fault
- pole
- 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
- 230000007257 malfunction Effects 0.000 claims description 13
- 230000011664 signaling Effects 0.000 description 7
- 238000004804 winding Methods 0.000 description 7
- 230000000694 effects Effects 0.000 description 4
- 230000005284 excitation Effects 0.000 description 3
- 230000005347 demagnetization Effects 0.000 description 2
- 230000000881 depressing effect Effects 0.000 description 2
- 241000182341 Cubitermes group Species 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 230000009191 jumping Effects 0.000 description 1
- 230000005415 magnetization Effects 0.000 description 1
- 230000009131 signaling function Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M11/00—Telephonic communication systems specially adapted for combination with other electrical systems
- H04M11/04—Telephonic communication systems specially adapted for combination with other electrical systems with alarm systems, e.g. fire, police or burglar alarm systems
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Locating Faults (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE239737T |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE239737C true DE239737C (enrdf_load_html_response) |
Family
ID=5903921
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DENDAT239737D Active DE239737C (enrdf_load_html_response) |
Country Status (2)
| Country | Link |
|---|---|
| DE (1) | DE239737C (enrdf_load_html_response) |
| FR (1) | FR418057A (enrdf_load_html_response) |
-
0
- DE DENDAT239737D patent/DE239737C/de active Active
-
1910
- 1910-07-08 FR FR418057A patent/FR418057A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR418057A (fr) | 1910-11-30 |
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