BE630604A - - Google Patents

Info

Publication number
BE630604A
BE630604A BE630604DA BE630604A BE 630604 A BE630604 A BE 630604A BE 630604D A BE630604D A BE 630604DA BE 630604 A BE630604 A BE 630604A
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 BE630604A publication Critical patent/BE630604A/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
    • H04Q1/444—Signalling arrangements; Manipulation of signalling currents using alternate current with voice-band signalling frequencies
    • H04Q1/446—Signalling arrangements; Manipulation of signalling currents using alternate current with voice-band signalling frequencies using one signalling frequency
    • H04Q1/4465—Signalling arrangements; Manipulation of signalling currents using alternate current with voice-band signalling frequencies using one signalling frequency the same frequency being used for all signalling information, e.g. A.C. nr.9 system

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Mobile Radio Communication Systems (AREA)
BE630604D 1962-04-04 BE630604A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DES78840A DE1159518B (de) 1962-04-04 1962-04-04 Schaltungsanordnung zur selektiven Auswertung einer Signalspannung

Publications (1)

Publication Number Publication Date
BE630604A true BE630604A (fr)

Family

ID=7507765

Family Applications (1)

Application Number Title Priority Date Filing Date
BE630604D BE630604A (fr) 1962-04-04

Country Status (2)

Country Link
BE (1) BE630604A (fr)
DE (1) DE1159518B (fr)

Also Published As

Publication number Publication date
DE1159518B (de) 1963-12-19

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