FR479519A - Nouveau dispositif d'appareil acoustique électro-avertisseur de la position des signaux de chemins de fer - Google Patents

Nouveau dispositif d'appareil acoustique électro-avertisseur de la position des signaux de chemins de fer

Info

Publication number
FR479519A
FR479519A FR479519DA FR479519A FR 479519 A FR479519 A FR 479519A FR 479519D A FR479519D A FR 479519DA FR 479519 A FR479519 A FR 479519A
Authority
FR
France
Prior art keywords
warning
electro
railway signals
new hearing
hearing device
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
English (en)
Inventor
Jacques-Guillaume-Emile Marty
Charles-Victor Spengler
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.)
CHARLES VICTOR SPENGLER
JACQUES GUILLAUME EMILE MARTY
Original Assignee
CHARLES VICTOR SPENGLER
JACQUES GUILLAUME EMILE MARTY
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 CHARLES VICTOR SPENGLER, JACQUES GUILLAUME EMILE MARTY filed Critical CHARLES VICTOR SPENGLER
Application granted granted Critical
Publication of FR479519A publication Critical patent/FR479519A/fr
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
    • B61L25/00—Recording or indicating positions or identities of vehicles or trains or setting of track apparatus
    • B61L25/02—Indicating or recording positions or identities of vehicles or trains
    • B61L25/021—Measuring and recording of train speed
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
    • B61L23/00—Control, warning or like safety means along the route or between vehicles or trains
    • 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)
FR479519D 1915-08-14 1915-08-14 Nouveau dispositif d'appareil acoustique électro-avertisseur de la position des signaux de chemins de fer Expired FR479519A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR479519T 1915-08-14

Publications (1)

Publication Number Publication Date
FR479519A true FR479519A (fr) 1916-04-07

Family

ID=1516890

Family Applications (1)

Application Number Title Priority Date Filing Date
FR479519D Expired FR479519A (fr) 1915-08-14 1915-08-14 Nouveau dispositif d'appareil acoustique électro-avertisseur de la position des signaux de chemins de fer

Country Status (1)

Country Link
FR (1) FR479519A (fr)

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