FR821346A - Communication device for railways - Google Patents

Communication device for railways

Info

Publication number
FR821346A
FR821346A FR821346DA FR821346A FR 821346 A FR821346 A FR 821346A FR 821346D A FR821346D A FR 821346DA FR 821346 A FR821346 A FR 821346A
Authority
FR
France
Prior art keywords
railways
communication device
communication
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)
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.)
Compagnie des Freins et Signaux Westinghouse SA
Original Assignee
Compagnie des Freins et Signaux Westinghouse SA
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 Compagnie des Freins et Signaux Westinghouse SA filed Critical Compagnie des Freins et Signaux Westinghouse SA
Application granted granted Critical
Publication of FR821346A publication Critical patent/FR821346A/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
    • B61L3/16—Continuous control along the route
    • B61L3/22—Continuous control along the route using magnetic or electrostatic induction; using electromagnetic radiation
    • B61L3/221—Continuous control along the route using magnetic or electrostatic induction; using electromagnetic radiation using track circuits

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
FR821346D 1936-05-02 1937-04-30 Communication device for railways Expired FR821346A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US821346XA 1936-05-02 1936-05-02

Publications (1)

Publication Number Publication Date
FR821346A true FR821346A (en) 1937-12-02

Family

ID=1553586

Family Applications (1)

Application Number Title Priority Date Filing Date
FR821346D Expired FR821346A (en) 1936-05-02 1937-04-30 Communication device for railways

Country Status (1)

Country Link
FR (1) FR821346A (en)

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