FR348548A - Intermittent current automatic signal system for railways and tramways - Google Patents

Intermittent current automatic signal system for railways and tramways

Info

Publication number
FR348548A
FR348548A FR348548DA FR348548A FR 348548 A FR348548 A FR 348548A FR 348548D A FR348548D A FR 348548DA FR 348548 A FR348548 A FR 348548A
Authority
FR
France
Prior art keywords
tramways
railways
signal system
current automatic
automatic signal
Prior art date
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)
Inventor
Arthur Berard
Leon Dardeau
Maurice Detroyat
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
ARTHUR BERARD
LEON DARDEAU
MAURICE DETROYAT
Original Assignee
ARTHUR BERARD
LEON DARDEAU
MAURICE DETROYAT
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.)
Filing date
Publication date
Application filed by ARTHUR BERARD, LEON DARDEAU, MAURICE DETROYAT filed Critical ARTHUR BERARD
Application granted granted Critical
Publication of FR348548A publication Critical patent/FR348548A/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
    • B61L13/00—Operation of signals from the vehicle or by the passage of the vehicle
    • B61L13/04—Operation of signals from the vehicle or by the passage of the vehicle using electrical or magnetic interaction between vehicle and track, e.g. by conductor circuits using special means or special conductors
    • B61L13/045—Operation of signals from the vehicle or by the passage of the vehicle using electrical or magnetic interaction between vehicle and track, e.g. by conductor circuits using special means or special conductors using separated rail contacts, pedals or similar

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
FR348548D 1904-02-13 1904-02-13 Intermittent current automatic signal system for railways and tramways Expired FR348548A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR348548T 1904-02-13

Publications (1)

Publication Number Publication Date
FR348548A true FR348548A (en) 1905-04-15

Family

ID=1397119

Family Applications (1)

Application Number Title Priority Date Filing Date
FR348548D Expired FR348548A (en) 1904-02-13 1904-02-13 Intermittent current automatic signal system for railways and tramways

Country Status (1)

Country Link
FR (1) FR348548A (en)

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