BE629944A - - Google Patents

Info

Publication number
BE629944A
BE629944A BE629944DA BE629944A BE 629944 A BE629944 A BE 629944A BE 629944D A BE629944D A BE 629944DA BE 629944 A BE629944 A BE 629944A
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 BE629944A publication Critical patent/BE629944A/xx

Links

Classifications

    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B29/00—Checking or monitoring of signalling or alarm systems; Prevention or correction of operating errors, e.g. preventing unauthorised operation
    • G08B29/02—Monitoring continuously signalling or alarm systems
    • G08B29/06—Monitoring of the line circuits, e.g. signalling of line faults

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Security & Cryptography (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Alarm Systems (AREA)
BE629944D 1962-03-24 BE629944A (enrdf_load_html_response)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1175123X 1962-03-24

Publications (1)

Publication Number Publication Date
BE629944A true BE629944A (enrdf_load_html_response)

Family

ID=9659020

Family Applications (1)

Application Number Title Priority Date Filing Date
BE629944D BE629944A (enrdf_load_html_response) 1962-03-24

Country Status (2)

Country Link
BE (1) BE629944A (enrdf_load_html_response)
DE (1) DE1175123B (enrdf_load_html_response)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1270994B (de) * 1967-03-11 1968-06-20 Telefonbau Schaltungsanordnung fuer Meldeleitungen mit zwei Transistoren
DE3438729A1 (de) * 1984-10-23 1986-04-24 Gossen Gmbh, 8520 Erlangen Schaltungsanordnung zum ueberwachen von verbrauchszaehlern

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB877995A (en) * 1958-09-20 1961-09-20 Carl Ludwig Lehner Improvements in or relating to pit props
FR1231802A (fr) * 1959-04-15 1960-10-03 Ind Controle & Equipment Un dispositif de signalisation réalisé avec des éléments statiques tels que transistors et diodes
FR1258605A (fr) * 1960-05-31 1961-04-14 Franz Baumgartner Fabrik Elek Unité de signalisation

Also Published As

Publication number Publication date
DE1175123B (de) 1964-07-30

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