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
Application number
Priority date (The priority date 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 date listed.)
Publication of BE520957A publication Critical patent/BE520957A/xx

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)
  • Remote Monitoring And Control Of Power-Distribution Networks (AREA)
  • Keying Circuit Devices (AREA)
BE520957D 1952-07-09 BE520957A (no)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE740411X 1952-07-09

Publications (1)

Publication Number Publication Date
BE520957A true BE520957A (no)

Family

ID=6643632

Family Applications (3)

Application Number Title Priority Date Filing Date
BE529349D BE529349A (no) 1952-07-09
BE529570D BE529570A (no) 1952-07-09
BE520957D BE520957A (no) 1952-07-09

Family Applications Before (2)

Application Number Title Priority Date Filing Date
BE529349D BE529349A (no) 1952-07-09
BE529570D BE529570A (no) 1952-07-09

Country Status (5)

Country Link
BE (3) BE520957A (no)
DE (1) DE963451C (no)
FR (3) FR1096829A (no)
GB (1) GB740411A (no)
NL (1) NL87233C (no)

Cited By (1)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
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

Cited By (1)

* Cited by examiner, † Cited by third party
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
FR1096829A (fr) 1955-06-27
BE529349A (no)
DE963451C (de) 1957-05-09
BE529570A (no)
NL87233C (no) 1957-05-09

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