FR23942E - Signaling device for railways - Google Patents

Signaling device for railways

Info

Publication number
FR23942E
FR23942E FR23942A FR23942DA FR23942E FR 23942 E FR23942 E FR 23942E FR 23942 A FR23942 A FR 23942A FR 23942D A FR23942D A FR 23942DA FR 23942 E FR23942 E FR 23942E
Authority
FR
France
Prior art keywords
railways
signaling device
signaling
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
FR23942A
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.)
SIF Societe Independante de Telegraphie Sans Fil
Original Assignee
SIF Societe Independante de Telegraphie Sans Fil
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 SIF Societe Independante de Telegraphie Sans Fil filed Critical SIF Societe Independante de Telegraphie Sans Fil
Application granted granted Critical
Publication of FR23942E publication Critical patent/FR23942E/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
    • B61L3/08—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)
FR23942A 1920-02-14 1920-02-14 Signaling device for railways Expired FR23942E (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR23942T 1920-02-14

Publications (1)

Publication Number Publication Date
FR23942E true FR23942E (en) 1922-01-13

Family

ID=8662620

Family Applications (1)

Application Number Title Priority Date Filing Date
FR23942A Expired FR23942E (en) 1920-02-14 1920-02-14 Signaling device for railways

Country Status (1)

Country Link
FR (1) FR23942E (en)

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