FR481652A - Perfectionnements apportés aux signaux de chemins de fer ou relatifs à ces signaux - Google Patents

Perfectionnements apportés aux signaux de chemins de fer ou relatifs à ces signaux

Info

Publication number
FR481652A
FR481652A FR481652DA FR481652A FR 481652 A FR481652 A FR 481652A FR 481652D A FR481652D A FR 481652DA FR 481652 A FR481652 A FR 481652A
Authority
FR
France
Prior art keywords
relating
improvements made
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
Other languages
English (en)
Inventor
Richard Golding Berry
Harry William Moore
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 FR481652A publication Critical patent/FR481652A/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)
FR481652D 1915-06-11 1916-05-03 Perfectionnements apportés aux signaux de chemins de fer ou relatifs à ces signaux Expired FR481652A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB481652X 1915-06-11

Publications (1)

Publication Number Publication Date
FR481652A true FR481652A (fr) 1917-01-05

Family

ID=1518736

Family Applications (1)

Application Number Title Priority Date Filing Date
FR481652D Expired FR481652A (fr) 1915-06-11 1916-05-03 Perfectionnements apportés aux signaux de chemins de fer ou relatifs à ces signaux

Country Status (1)

Country Link
FR (1) FR481652A (fr)

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