BE499282A - - Google Patents

Info

Publication number
BE499282A
BE499282A BE499282DA BE499282A BE 499282 A BE499282 A BE 499282A BE 499282D A BE499282D A BE 499282DA BE 499282 A BE499282 A BE 499282A
Authority
BE
Belgium
Prior art keywords
circuit
relay
contacts
alarm
winding
Prior art date
Application number
Other languages
English (en)
French (fr)
Publication of BE499282A publication Critical patent/BE499282A/fr

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04MTELEPHONIC COMMUNICATION
    • H04M11/00Telephonic communication systems specially adapted for combination with other electrical systems
    • H04M11/04Telephonic communication systems specially adapted for combination with other electrical systems with alarm systems, e.g. fire, police or burglar alarm systems
    • H04M11/045Telephonic communication systems specially adapted for combination with other electrical systems with alarm systems, e.g. fire, police or burglar alarm systems using recorded signals, e.g. speech

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Alarm Systems (AREA)
BE499282D BE499282A (https=)

Publications (1)

Publication Number Publication Date
BE499282A true BE499282A (https=)

Family

ID=141729

Family Applications (1)

Application Number Title Priority Date Filing Date
BE499282D BE499282A (https=)

Country Status (1)

Country Link
BE (1) BE499282A (https=)

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