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BE461199A - - Google Patents

Info

Publication number
BE461199A
BE461199A BE461199DA BE461199A BE 461199 A BE461199 A BE 461199A BE 461199D A BE461199D A BE 461199DA BE 461199 A BE461199 A BE 461199A
Authority
BE
Belgium
Prior art keywords
relay
circuit
series
alarm
contacts
Prior art date
Application number
Other languages
English (en)
French (fr)
Publication of BE461199A publication Critical patent/BE461199A/fr

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L15/00Apparatus or local circuits for transmitting or receiving dot-and-dash codes, e.g. Morse code
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Transmitters (AREA)
BE461199D BE461199A (da)

Publications (1)

Publication Number Publication Date
BE461199A true BE461199A (da)

Family

ID=113897

Family Applications (1)

Application Number Title Priority Date Filing Date
BE461199D BE461199A (da)

Country Status (1)

Country Link
BE (1) BE461199A (da)

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