FR336552A - Perfectionnements apportés aux signaux de chemins de fer - Google Patents

Perfectionnements apportés aux signaux de chemins de fer

Info

Publication number
FR336552A
FR336552A FR336552DA FR336552A FR 336552 A FR336552 A FR 336552A FR 336552D A FR336552D A FR 336552DA FR 336552 A FR336552 A FR 336552A
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
Other languages
English (en)
Inventor
George Munroe Lane
George A. Smock
Beverly Crowell
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.)
GEORGE A SMOCK
Original Assignee
GEORGE A SMOCK
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 GEORGE A SMOCK filed Critical GEORGE A SMOCK
Application granted granted Critical
Publication of FR336552A publication Critical patent/FR336552A/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
    • B61L3/10—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 current passing between devices along the route and devices on the vehicle or train

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
FR336552D 1903-11-13 1903-11-13 Perfectionnements apportés aux signaux de chemins de fer Expired FR336552A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR336552T 1903-11-13

Publications (1)

Publication Number Publication Date
FR336552A true FR336552A (fr) 1904-03-12

Family

ID=1385960

Family Applications (1)

Application Number Title Priority Date Filing Date
FR336552D Expired FR336552A (fr) 1903-11-13 1903-11-13 Perfectionnements apportés aux signaux de chemins de fer

Country Status (1)

Country Link
FR (1) FR336552A (fr)

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