NL95243C - - Google Patents
Info
- Publication number
- NL95243C NL95243C NL95243DA NL95243C NL 95243 C NL95243 C NL 95243C NL 95243D A NL95243D A NL 95243DA NL 95243 C NL95243 C NL 95243C
- Authority
- NL
- Netherlands
Links
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
- E21F17/00—Methods or devices for use in mines or tunnels, not covered elsewhere
- E21F17/18—Special adaptations of signalling or alarm devices
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H7/00—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions
- H02H7/005—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for remote controlled apparatus; for lines connecting such apparatus
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Emergency Protection Circuit Devices (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DES50586A DE1051950B (de) | 1956-09-28 | 1956-09-28 | Eigensichere Schutz- und Steuerschaltung fuer Leitungen |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL95243C true NL95243C (de) |
Family
ID=7487821
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL95243D NL95243C (de) | 1956-09-28 |
Country Status (4)
| Country | Link |
|---|---|
| BE (1) | BE541172A (de) |
| DE (1) | DE1051950B (de) |
| FR (2) | FR1131361A (de) |
| NL (1) | NL95243C (de) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1105972B (de) * | 1959-04-28 | 1961-05-04 | Bbc Brown Boveri & Cie | Einrichtung zur Stromausfallueberwachung |
| DE1144378B (de) * | 1959-08-27 | 1963-02-28 | Calor Emag Elektrizitaets Ag | Schutzeinrichtung fuer explosions-bzw. schlagwettergefaehrdete Betriebe |
| DE1149800B (de) * | 1961-12-11 | 1963-06-06 | Licentia Gmbh | Kurzschlussschutzschaltung fuer lange Leitungen, insbesondere fuer mit Kleinspannung gespeiste Steuerleitungen im Untertagebau |
-
0
- NL NL95243D patent/NL95243C/xx active
- BE BE541172D patent/BE541172A/xx unknown
-
1955
- 1955-09-22 FR FR1131361D patent/FR1131361A/fr not_active Expired
-
1956
- 1956-09-28 DE DES50586A patent/DE1051950B/de active Pending
-
1957
- 1957-09-26 FR FR72346D patent/FR72346E/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR72346E (fr) | 1960-03-31 |
| BE541172A (de) | |
| DE1051950B (de) | 1959-03-05 |
| FR1131361A (fr) | 1957-02-20 |