BE524409A - - Google Patents
Info
- Publication number
- BE524409A BE524409A BE524409DA BE524409A BE 524409 A BE524409 A BE 524409A BE 524409D A BE524409D A BE 524409DA BE 524409 A BE524409 A BE 524409A
- Authority
- BE
- Belgium
Links
Classifications
-
- 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
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- 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
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)
- Remote Monitoring And Control Of Power-Distribution Networks (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DES31166A DE941737C (de) | 1952-11-23 | 1952-11-23 | Elektrische Leitungsanlage, insbesondere fuer Beleuchtungsstromkreise in Untertagebetrieben |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE524409A true BE524409A (no) |
Family
ID=7480412
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE524409D BE524409A (no) | 1952-11-23 |
Country Status (3)
| Country | Link |
|---|---|
| BE (1) | BE524409A (no) |
| DE (1) | DE941737C (no) |
| NL (1) | NL85679C (no) |
-
0
- NL NL85679D patent/NL85679C/xx active
- BE BE524409D patent/BE524409A/xx unknown
-
1952
- 1952-11-23 DE DES31166A patent/DE941737C/de not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| DE941737C (de) | 1956-04-19 |
| NL85679C (no) |