BE455019A - - Google Patents

Info

Publication number
BE455019A
BE455019A BE455019DA BE455019A BE 455019 A BE455019 A BE 455019A BE 455019D A BE455019D A BE 455019DA BE 455019 A BE455019 A BE 455019A
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 BE455019A publication Critical patent/BE455019A/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)
BE455019D 1943-04-16 BE455019A (enrdf_load_html_response)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE902851X 1943-04-16

Publications (1)

Publication Number Publication Date
BE455019A true BE455019A (enrdf_load_html_response)

Family

ID=6861241

Family Applications (1)

Application Number Title Priority Date Filing Date
BE455019D BE455019A (enrdf_load_html_response) 1943-04-16

Country Status (2)

Country Link
BE (1) BE455019A (enrdf_load_html_response)
FR (1) FR902851A (enrdf_load_html_response)

Also Published As

Publication number Publication date
FR902851A (fr) 1945-09-14

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