BE467274A - - Google Patents

Info

Publication number
BE467274A
BE467274A BE467274DA BE467274A BE 467274 A BE467274 A BE 467274A BE 467274D A BE467274D A BE 467274DA BE 467274 A BE467274 A BE 467274A
Authority
BE
Belgium
Prior art keywords
substation
circuit
relay
telephone
call
Prior art date
Application number
Other languages
English (en)
French (fr)
Publication of BE467274A publication Critical patent/BE467274A/fr

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04MTELEPHONIC COMMUNICATION
    • H04M9/00Arrangements for interconnection not involving centralised switching
    • H04M9/08Two-way loud-speaking telephone systems with means for conditioning the signal, e.g. for suppressing echoes for one or both directions of traffic

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Interconnected Communication Systems, Intercoms, And Interphones (AREA)
BE467274D BE467274A (cg-RX-API-DMAC10.html)

Publications (1)

Publication Number Publication Date
BE467274A true BE467274A (cg-RX-API-DMAC10.html)

Family

ID=118340

Family Applications (1)

Application Number Title Priority Date Filing Date
BE467274D BE467274A (cg-RX-API-DMAC10.html)

Country Status (1)

Country Link
BE (1) BE467274A (cg-RX-API-DMAC10.html)

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