FR51704E - - Google Patents

Info

Publication number
FR51704E
FR51704E FR51704DA FR51704E FR 51704 E FR51704 E FR 51704E FR 51704D A FR51704D A FR 51704DA FR 51704 E FR51704 E FR 51704E
Authority
FR
France
Legal status (The legal status 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 status listed.)
Expired
Application number
Other languages
French (fr)
Publication date
Application granted granted Critical
Publication of FR51704E publication Critical patent/FR51704E/fr
Expired legal-status Critical Current

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)
FR51704D Expired FR51704E (enrdf_load_html_response)

Publications (1)

Publication Number Publication Date
FR51704E true FR51704E (enrdf_load_html_response) 1943-04-15

Family

ID=1363292

Family Applications (1)

Application Number Title Priority Date Filing Date
FR51704D Expired FR51704E (enrdf_load_html_response)

Country Status (1)

Country Link
FR (1) FR51704E (enrdf_load_html_response)

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