FR343880A - Signal system for electric railways - Google Patents

Signal system for electric railways

Info

Publication number
FR343880A
FR343880A FR343880DA FR343880A FR 343880 A FR343880 A FR 343880A FR 343880D A FR343880D A FR 343880DA FR 343880 A FR343880 A FR 343880A
Authority
FR
France
Prior art keywords
signal system
electric railways
railways
electric
signal
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
French (fr)
Inventor
Louis Henry Thullen
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 FR343880A publication Critical patent/FR343880A/en
Expired legal-status Critical Current

Links

Classifications

    • 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
    • B61L23/08—Control, warning or like safety means along the route or between vehicles or trains for controlling traffic in one direction only
    • B61L23/14—Control, warning or like safety means along the route or between vehicles or trains for controlling traffic in one direction only automatically operated
    • B61L23/16—Track circuits specially adapted for section blocking
    • B61L23/166—Track circuits specially adapted for section blocking using alternating current

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
FR343880D 1904-05-03 1904-05-03 Signal system for electric railways Expired FR343880A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR343880T 1904-05-03

Publications (1)

Publication Number Publication Date
FR343880A true FR343880A (en) 1904-10-17

Family

ID=1392787

Family Applications (1)

Application Number Title Priority Date Filing Date
FR343880D Expired FR343880A (en) 1904-05-03 1904-05-03 Signal system for electric railways

Country Status (1)

Country Link
FR (1) FR343880A (en)

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