BE375450A - - Google Patents

Info

Publication number
BE375450A
BE375450A BE375450DA BE375450A BE 375450 A BE375450 A BE 375450A BE 375450D A BE375450D A BE 375450DA BE 375450 A BE375450 A BE 375450A
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 BE375450A publication Critical patent/BE375450A/xx

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L12/00—Data switching networks
    • 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
    • H04Q1/38—Signalling arrangements; Manipulation of signalling currents using combinations of direct currents of different amplitudes or polarities over line conductors or combination of line conductors

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Testing Relating To Insulation (AREA)
BE375450D 1929-12-02 BE375450A (enrdf_load_html_response)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE368707X 1929-12-02

Publications (1)

Publication Number Publication Date
BE375450A true BE375450A (enrdf_load_html_response)

Family

ID=6318128

Family Applications (1)

Application Number Title Priority Date Filing Date
BE375450D BE375450A (enrdf_load_html_response) 1929-12-02

Country Status (4)

Country Link
BE (1) BE375450A (enrdf_load_html_response)
FR (1) FR706755A (enrdf_load_html_response)
GB (1) GB368707A (enrdf_load_html_response)
NL (1) NL32175C (enrdf_load_html_response)

Also Published As

Publication number Publication date
FR706755A (fr) 1931-06-29
NL32175C (enrdf_load_html_response)
GB368707A (en) 1932-03-01

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