FR524522A - Perfectionnements aux signaux de chemins de fer - Google Patents

Perfectionnements aux signaux de chemins de fer

Info

Publication number
FR524522A
FR524522A FR524522A FR524522DA FR524522A FR 524522 A FR524522 A FR 524522A FR 524522 A FR524522 A FR 524522A FR 524522D A FR524522D A FR 524522DA FR 524522 A FR524522 A FR 524522A
Authority
FR
France
Prior art keywords
railway signals
railway
signals
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
FR524522A
Other languages
English (en)
Inventor
Paul-Leon Hulin
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 FR524522A publication Critical patent/FR524522A/fr
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
    • B61L3/08—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 electrically
    • B61L3/12—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 electrically using magnetic or electrostatic induction; using radio waves
    • B61L3/121—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 electrically using magnetic or electrostatic induction; using radio waves using magnetic induction

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
FR524522A 1920-03-02 1920-03-02 Perfectionnements aux signaux de chemins de fer Expired FR524522A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR524522T 1920-03-02

Publications (1)

Publication Number Publication Date
FR524522A true FR524522A (fr) 1921-09-06

Family

ID=8919361

Family Applications (1)

Application Number Title Priority Date Filing Date
FR524522A Expired FR524522A (fr) 1920-03-02 1920-03-02 Perfectionnements aux signaux de chemins de fer

Country Status (1)

Country Link
FR (1) FR524522A (fr)

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