FR515630A - Automatic warning device for crossing a signal when stopped - Google Patents

Automatic warning device for crossing a signal when stopped

Info

Publication number
FR515630A
FR515630A FR515630A FR515630DA FR515630A FR 515630 A FR515630 A FR 515630A FR 515630 A FR515630 A FR 515630A FR 515630D A FR515630D A FR 515630DA FR 515630 A FR515630 A FR 515630A
Authority
FR
France
Prior art keywords
crossing
stopped
signal
warning device
automatic warning
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
FR515630A
Other languages
French (fr)
Inventor
Pierre Crouzet
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Application granted granted Critical
Publication of FR515630A publication Critical patent/FR515630A/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
    • B61L3/00—Devices along the route for controlling devices on the vehicle or train, e.g. to release brake or to operate a warning signal
    • B61L3/02—Devices along the route for controlling devices on the vehicle or train, e.g. to release brake or to operate a warning signal at selected places along the route, e.g. intermittent control simultaneous mechanical and electrical control
    • B61L3/04—Devices along the route for controlling devices on the vehicle or train, e.g. to release brake or to operate a warning signal at selected places along the route, e.g. intermittent control simultaneous mechanical and electrical control controlling mechanically

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
FR515630A 1920-05-15 1920-05-15 Automatic warning device for crossing a signal when stopped Expired FR515630A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR515630T 1920-05-15

Publications (1)

Publication Number Publication Date
FR515630A true FR515630A (en) 1921-04-05

Family

ID=8914835

Family Applications (1)

Application Number Title Priority Date Filing Date
FR515630A Expired FR515630A (en) 1920-05-15 1920-05-15 Automatic warning device for crossing a signal when stopped

Country Status (1)

Country Link
FR (1) FR515630A (en)

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