BE373355A - - Google Patents

Info

Publication number
BE373355A
BE373355A BE373355DA BE373355A BE 373355 A BE373355 A BE 373355A BE 373355D A BE373355D A BE 373355DA BE 373355 A BE373355 A BE 373355A
Authority
BE
Belgium
Prior art keywords
relay
armature
contact
earth
circuit
Prior art date
Application number
Other languages
English (en)
French (fr)
Publication of BE373355A publication Critical patent/BE373355A/fr

Links

Classifications

    • GPHYSICS
    • G08SIGNALLING
    • G08BSIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B25/00Alarm systems in which the location of the alarm condition is signalled to a central station, e.g. fire or police telegraphic systems
    • G08B25/009Signalling of the alarm condition to a substation whose identity is signalled to a central station, e.g. relaying alarm signals in order to extend communication range

Landscapes

  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Alarm Systems (AREA)
BE373355D BE373355A (enrdf_load_stackoverflow)

Publications (1)

Publication Number Publication Date
BE373355A true BE373355A (enrdf_load_stackoverflow)

Family

ID=44312

Family Applications (1)

Application Number Title Priority Date Filing Date
BE373355D BE373355A (enrdf_load_stackoverflow)

Country Status (1)

Country Link
BE (1) BE373355A (enrdf_load_stackoverflow)

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