BE418217A - - Google Patents

Info

Publication number
BE418217A
BE418217A BE418217DA BE418217A BE 418217 A BE418217 A BE 418217A BE 418217D A BE418217D A BE 418217DA BE 418217 A BE418217 A BE 418217A
Authority
BE
Belgium
Prior art keywords
signaling system
substation
switch
relay
signals
Prior art date
Application number
Other languages
English (en)
French (fr)
Publication of BE418217A publication Critical patent/BE418217A/fr

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04MTELEPHONIC COMMUNICATION
    • H04M11/00Telephonic communication systems specially adapted for combination with other electrical systems
    • H04M11/002Telephonic communication systems specially adapted for combination with other electrical systems with telemetering systems
    • H04M11/005Telephonic communication systems specially adapted for combination with other electrical systems with telemetering systems using recorded signals, e.g. speech

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Telephonic Communication Services (AREA)
BE418217D BE418217A (OSRAM)

Publications (1)

Publication Number Publication Date
BE418217A true BE418217A (OSRAM)

Family

ID=80765

Family Applications (1)

Application Number Title Priority Date Filing Date
BE418217D BE418217A (OSRAM)

Country Status (1)

Country Link
BE (1) BE418217A (OSRAM)

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