BE426028A - - Google Patents

Info

Publication number
BE426028A
BE426028A BE426028DA BE426028A BE 426028 A BE426028 A BE 426028A BE 426028D A BE426028D A BE 426028DA BE 426028 A BE426028 A BE 426028A
Authority
BE
Belgium
Prior art keywords
frequency
currents
signal
circuit
amplifier
Prior art date
Application number
Other languages
English (en)
French (fr)
Publication of BE426028A publication Critical patent/BE426028A/fr

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04JMULTIPLEX COMMUNICATION
    • H04J1/00Frequency-division multiplex systems
    • H04J1/02Details
    • H04J1/14Arrangements providing for calling or supervisory signals

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Devices For Supply Of Signal Current (AREA)
BE426028D BE426028A (cs)

Publications (1)

Publication Number Publication Date
BE426028A true BE426028A (cs)

Family

ID=86904

Family Applications (1)

Application Number Title Priority Date Filing Date
BE426028D BE426028A (cs)

Country Status (1)

Country Link
BE (1) BE426028A (cs)

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