BE520957A - - Google Patents
Info
- Publication number
- BE520957A BE520957A BE520957DA BE520957A BE 520957 A BE520957 A BE 520957A BE 520957D A BE520957D A BE 520957DA BE 520957 A BE520957 A BE 520957A
- Authority
- BE
- Belgium
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
- E21F17/04—Distributing means for power supply in mines
- E21F17/06—Distributing electric power; Cable networks; Conduits for cables
-
- 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)
- Power Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Keying Circuit Devices (AREA)
- Remote Monitoring And Control Of Power-Distribution Networks (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE740411X | 1952-07-09 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE520957A true BE520957A (he) |
Family
ID=6643632
Family Applications (3)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE529570D BE529570A (he) | 1952-07-09 | ||
| BE529349D BE529349A (he) | 1952-07-09 | ||
| BE520957D BE520957A (he) | 1952-07-09 |
Family Applications Before (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE529570D BE529570A (he) | 1952-07-09 | ||
| BE529349D BE529349A (he) | 1952-07-09 |
Country Status (5)
| Country | Link |
|---|---|
| BE (3) | BE520957A (he) |
| DE (1) | DE963451C (he) |
| FR (3) | FR1096829A (he) |
| GB (1) | GB740411A (he) |
| NL (1) | NL87233C (he) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE969427C (de) * | 1954-08-29 | 1958-05-29 | Telefonbau & Normalzeit Gmbh | Einrichtung zur Fernsteuerung und Rueckmeldung von ueberwachten verstellbaren Organen |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1051367B (de) * | 1957-05-20 | 1959-02-26 | Licentia Gmbh | Schutzschaltung fuer Beleuchtungsanlagen, insbesondere fuer Betriebe unter Tage |
-
0
- BE BE529570D patent/BE529570A/xx unknown
- BE BE529349D patent/BE529349A/xx unknown
- BE BE520957D patent/BE520957A/xx unknown
-
1953
- 1953-06-20 DE DES33952D patent/DE963451C/de not_active Expired
- 1953-06-24 FR FR1096829D patent/FR1096829A/fr not_active Expired
- 1953-07-09 NL NL179717A patent/NL87233C/xx active
- 1953-07-09 GB GB19072/53A patent/GB740411A/en not_active Expired
-
1954
- 1954-06-02 FR FR66890D patent/FR66890E/fr not_active Expired
- 1954-06-18 FR FR67137D patent/FR67137E/fr not_active Expired
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE969427C (de) * | 1954-08-29 | 1958-05-29 | Telefonbau & Normalzeit Gmbh | Einrichtung zur Fernsteuerung und Rueckmeldung von ueberwachten verstellbaren Organen |
Also Published As
| Publication number | Publication date |
|---|---|
| FR66890E (fr) | 1957-10-31 |
| FR67137E (fr) | 1957-11-22 |
| GB740411A (en) | 1955-11-09 |
| DE963451C (de) | 1957-05-09 |
| BE529349A (he) | |
| BE529570A (he) | |
| NL87233C (he) | 1957-05-09 |
| FR1096829A (fr) | 1955-06-27 |