BE364131A - - Google Patents

Info

Publication number
BE364131A
BE364131A BE364131DA BE364131A BE 364131 A BE364131 A BE 364131A BE 364131D A BE364131D A BE 364131DA BE 364131 A BE364131 A BE 364131A
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 BE364131A publication Critical patent/BE364131A/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)
  • Relay Circuits (AREA)
BE364131D 1928-11-22 BE364131A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB3435528A GB325577A (en) 1928-11-22 1928-11-22 Improvements in circuit arrangements for alternating current relays with vibratory contacts

Publications (1)

Publication Number Publication Date
BE364131A true BE364131A (fr)

Family

ID=10364607

Family Applications (1)

Application Number Title Priority Date Filing Date
BE364131D BE364131A (fr) 1928-11-22

Country Status (2)

Country Link
BE (1) BE364131A (fr)
GB (1) GB325577A (fr)

Also Published As

Publication number Publication date
GB325577A (en) 1930-02-24

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