FR348656A - Railroad protection system - Google Patents

Railroad protection system

Info

Publication number
FR348656A
FR348656A FR348656DA FR348656A FR 348656 A FR348656 A FR 348656A FR 348656D A FR348656D A FR 348656DA FR 348656 A FR348656 A FR 348656A
Authority
FR
France
Prior art keywords
protection system
railroad
railroad protection
protection
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
Etienne Perrachon
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.)
ETIENNE PERRACHON
Original Assignee
ETIENNE PERRACHON
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 ETIENNE PERRACHON filed Critical ETIENNE PERRACHON
Application granted granted Critical
Publication of FR348656A publication Critical patent/FR348656A/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)
FR348656D 1904-02-17 1904-02-17 Railroad protection system Expired FR348656A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR348656T 1904-02-17

Publications (1)

Publication Number Publication Date
FR348656A true FR348656A (en) 1905-04-21

Family

ID=1397217

Family Applications (1)

Application Number Title Priority Date Filing Date
FR348656D Expired FR348656A (en) 1904-02-17 1904-02-17 Railroad protection system

Country Status (1)

Country Link
FR (1) FR348656A (en)

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