BE621095A - - Google Patents

Info

Publication number
BE621095A
BE621095A BE621095DA BE621095A BE 621095 A BE621095 A BE 621095A BE 621095D A BE621095D A BE 621095DA BE 621095 A BE621095 A BE 621095A
Authority
BE
Belgium
Application number
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Publication of BE621095A publication Critical patent/BE621095A/xx

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q1/00—Details of selecting apparatus or arrangements
    • H04Q1/18—Electrical details
    • H04Q1/30—Signalling arrangements; Manipulation of signalling currents
    • H04Q1/44—Signalling arrangements; Manipulation of signalling currents using alternate current
    • H04Q1/442—Signalling arrangements; Manipulation of signalling currents using alternate current with out-of-voice band signalling frequencies
    • H04Q1/4423—Signalling arrangements; Manipulation of signalling currents using alternate current with out-of-voice band signalling frequencies using one signalling frequency
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J1/00—Frequency-division multiplex systems
    • H04J1/02—Details
    • H04J1/14—Arrangements providing for calling or supervisory signals

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Monitoring And Testing Of Transmission In General (AREA)
BE621095D 1961-08-04 BE621095A (ja�@�@)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DES75183A DE1139552B (de) 1961-08-04 1961-08-04 Mehrkanaluebertragungssystem mit Einzelkanalueberwachung

Publications (1)

Publication Number Publication Date
BE621095A true BE621095A (ja�@�@)

Family

ID=7505194

Family Applications (1)

Application Number Title Priority Date Filing Date
BE621095D BE621095A (ja�@�@) 1961-08-04

Country Status (3)

Country Link
BE (1) BE621095A (ja�@�@)
DE (1) DE1139552B (ja�@�@)
SE (1) SE314711B (ja�@�@)

Also Published As

Publication number Publication date
DE1139552B (de) 1962-11-15
SE314711B (ja�@�@) 1969-09-15

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