BE518062A - - Google Patents

Info

Publication number
BE518062A
BE518062A BE518062DA BE518062A BE 518062 A BE518062 A BE 518062A BE 518062D A BE518062D A BE 518062DA BE 518062 A BE518062 A BE 518062A
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 BE518062A publication Critical patent/BE518062A/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)
BE518062D 1952-02-28 BE518062A (enrdf_load_stackoverflow)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE1071567X 1952-02-28

Publications (1)

Publication Number Publication Date
BE518062A true BE518062A (enrdf_load_stackoverflow)

Family

ID=7719843

Family Applications (1)

Application Number Title Priority Date Filing Date
BE518062D BE518062A (enrdf_load_stackoverflow) 1952-02-28

Country Status (2)

Country Link
BE (1) BE518062A (enrdf_load_stackoverflow)
FR (1) FR1071567A (enrdf_load_stackoverflow)

Also Published As

Publication number Publication date
FR1071567A (fr) 1954-09-02

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