BE373798A - - Google Patents

Info

Publication number
BE373798A
BE373798A BE373798DA BE373798A BE 373798 A BE373798 A BE 373798A BE 373798D A BE373798D A BE 373798DA BE 373798 A BE373798 A BE 373798A
Authority
BE
Belgium
Prior art keywords
relay
contact
circuit
needle
lever
Prior art date
Application number
Other languages
English (en)
French (fr)
Publication of BE373798A publication Critical patent/BE373798A/fr

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
    • B61L7/00—Remote control of local operating means for points, signals, or track-mounted scotch-blocks
    • B61L7/06—Remote control of local operating means for points, signals, or track-mounted scotch-blocks using electrical transmission
    • B61L7/08—Circuitry
    • B61L7/083—Common line wire control using currents of different amplitudes, polarities, frequencies, or the like

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Lighting Device Outwards From Vehicle And Optical Signal (AREA)
BE373798D BE373798A (enrdf_load_html_response)

Publications (1)

Publication Number Publication Date
BE373798A true BE373798A (enrdf_load_html_response)

Family

ID=44671

Family Applications (1)

Application Number Title Priority Date Filing Date
BE373798D BE373798A (enrdf_load_html_response)

Country Status (1)

Country Link
BE (1) BE373798A (enrdf_load_html_response)

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