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 (de)

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 (de)

Family

ID=7505194

Family Applications (1)

Application Number Title Priority Date Filing Date
BE621095D BE621095A (de) 1961-08-04

Country Status (3)

Country Link
BE (1) BE621095A (de)
DE (1) DE1139552B (de)
SE (1) SE314711B (de)

Also Published As

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

Similar Documents

Publication Publication Date Title
AT224007B (de)
BE621095A (de)
BE164003A (de)
BE396226A (de)
BE458606A (de)
BE464928A (de)
BE469342A (de)
BE472265A (de)
BE475425A (de)
BE475477A (de)
BE476407A (de)
BE478349A (de)
BE482264A (de)
BE493336A (de)
BE567723A (de)
BE568568A (de)
BE583834A (de)
BE587184A (de)
BE596839A (de)
BE597352A (de)
BE597570A (de)
BE598861A (de)
BE599016A (de)
BE599210A (de)
BE599528A (de)