BE638919A - - Google Patents

Info

Publication number
BE638919A
BE638919A BE638919DA BE638919A BE 638919 A BE638919 A BE 638919A BE 638919D A BE638919D A BE 638919DA BE 638919 A BE638919 A BE 638919A
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 BE638919A publication Critical patent/BE638919A/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
    • H04Q1/38—Signalling arrangements; Manipulation of signalling currents using combinations of direct currents of different amplitudes or polarities over line conductors or combination of line conductors
    • G—PHYSICS
    • G08—SIGNALLING
    • G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
    • G08C19/00—Electric signal transmission systems
    • G08C19/02—Electric signal transmission systems in which the signal transmitted is magnitude of current or voltage
    • G08C19/025—Electric signal transmission systems in which the signal transmitted is magnitude of current or voltage using fixed values of magnitude of current or voltage

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
BE638919D 1963-10-17 BE638919A (enrdf_load_html_response)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR950939A FR1372263A (fr) 1963-10-17 1963-10-17 Perfectionnements aux systèmes de transmission de signalisations

Publications (1)

Publication Number Publication Date
BE638919A true BE638919A (enrdf_load_html_response)

Family

ID=8814598

Family Applications (1)

Application Number Title Priority Date Filing Date
BE638919D BE638919A (enrdf_load_html_response) 1963-10-17

Country Status (2)

Country Link
BE (1) BE638919A (enrdf_load_html_response)
FR (1) FR1372263A (enrdf_load_html_response)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2360375C3 (de) * 1973-12-04 1978-05-24 Siemens Ag, 1000 Berlin Und 8000 Muenchen Schaltungsanordnung zur Bewertung eines Stromes nach Größe und Richtung

Also Published As

Publication number Publication date
FR1372263A (fr) 1964-09-11

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