FR453987A - Alarm signal for railway tracks preventing the passage of a stop signal - Google Patents

Alarm signal for railway tracks preventing the passage of a stop signal

Info

Publication number
FR453987A
FR453987A FR453987DA FR453987A FR 453987 A FR453987 A FR 453987A FR 453987D A FR453987D A FR 453987DA FR 453987 A FR453987 A FR 453987A
Authority
FR
France
Prior art keywords
passage
preventing
signal
railway tracks
alarm 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
Wilhelm Munnecke
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.)
WILHELM MUNNECKE
Original Assignee
WILHELM MUNNECKE
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 WILHELM MUNNECKE filed Critical WILHELM MUNNECKE
Application granted granted Critical
Publication of FR453987A publication Critical patent/FR453987A/en
Expired legal-status Critical Current

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B61RAILWAYS
    • B61LGUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
    • B61L3/00Devices along the route for controlling devices on the vehicle or train, e.g. to release brake or to operate a warning signal
    • B61L3/02Devices 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
    • B61L3/04Devices 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)
FR453987D 1913-02-05 1913-02-05 Alarm signal for railway tracks preventing the passage of a stop signal Expired FR453987A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR453987T 1913-02-05

Publications (1)

Publication Number Publication Date
FR453987A true FR453987A (en) 1913-06-23

Family

ID=1494041

Family Applications (1)

Application Number Title Priority Date Filing Date
FR453987D Expired FR453987A (en) 1913-02-05 1913-02-05 Alarm signal for railway tracks preventing the passage of a stop signal

Country Status (1)

Country Link
FR (1) FR453987A (en)

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