FR593851A - Improvements to signaling systems for railways - Google Patents

Improvements to signaling systems for railways

Info

Publication number
FR593851A
FR593851A FR593851DA FR593851A FR 593851 A FR593851 A FR 593851A FR 593851D A FR593851D A FR 593851DA FR 593851 A FR593851 A FR 593851A
Authority
FR
France
Prior art keywords
railways
signaling systems
signaling
systems
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)
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.)
Automatic Telephone Manufacturing Co Ltd
Original Assignee
Automatic Telephone Manufacturing Co Ltd
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 Automatic Telephone Manufacturing Co Ltd filed Critical Automatic Telephone Manufacturing Co Ltd
Application granted granted Critical
Publication of FR593851A publication Critical patent/FR593851A/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
    • B61L1/00—Devices along the route controlled by interaction with the vehicle or train
    • B61L1/18—Railway track circuits
    • B61L1/181—Details
    • B61L1/187—Use of alternating current

Landscapes

  • Engineering & Computer Science (AREA)
  • Automation & Control Theory (AREA)
  • Mechanical Engineering (AREA)
FR593851D 1924-01-10 1924-10-23 Improvements to signaling systems for railways Expired FR593851A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB593851X 1924-01-10

Publications (1)

Publication Number Publication Date
FR593851A true FR593851A (en) 1925-09-01

Family

ID=10483667

Family Applications (1)

Application Number Title Priority Date Filing Date
FR593851D Expired FR593851A (en) 1924-01-10 1924-10-23 Improvements to signaling systems for railways

Country Status (1)

Country Link
FR (1) FR593851A (en)

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