FR781867A - Electrical signaling device for crossings - Google Patents

Electrical signaling device for crossings

Info

Publication number
FR781867A
FR781867A FR781867DA FR781867A FR 781867 A FR781867 A FR 781867A FR 781867D A FR781867D A FR 781867DA FR 781867 A FR781867 A FR 781867A
Authority
FR
France
Prior art keywords
crossings
signaling device
electrical signaling
electrical
signaling
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
Alfred Rehm
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 filed Critical
Application granted granted Critical
Publication of FR781867A publication Critical patent/FR781867A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G08—SIGNALLING
    • G08G—TRAFFIC CONTROL SYSTEMS
    • G08G1/00—Traffic control systems for road vehicles
    • G08G1/09—Arrangements for giving variable traffic instructions
    • G08G1/095—Traffic lights

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
FR781867D 1934-11-26 1934-11-26 Electrical signaling device for crossings Expired FR781867A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR781867T 1934-11-26

Publications (1)

Publication Number Publication Date
FR781867A true FR781867A (en) 1935-05-23

Family

ID=9209839

Family Applications (1)

Application Number Title Priority Date Filing Date
FR781867D Expired FR781867A (en) 1934-11-26 1934-11-26 Electrical signaling device for crossings

Country Status (1)

Country Link
FR (1) FR781867A (en)

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