FR2151289A5 - - Google Patents

Info

Publication number
FR2151289A5
FR2151289A5 FR7229442A FR7229442A FR2151289A5 FR 2151289 A5 FR2151289 A5 FR 2151289A5 FR 7229442 A FR7229442 A FR 7229442A FR 7229442 A FR7229442 A FR 7229442A FR 2151289 A5 FR2151289 A5 FR 2151289A5
Authority
FR
France
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
FR7229442A
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.)
British Railways Board
Original Assignee
British Railways Board
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 British Railways Board filed Critical British Railways Board
Application granted granted Critical
Publication of FR2151289A5 publication Critical patent/FR2151289A5/fr
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)
  • Train Traffic Observation, Control, And Security (AREA)
FR7229442A 1971-08-20 1972-08-17 Expired FR2151289A5 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB3923071 1971-08-20

Publications (1)

Publication Number Publication Date
FR2151289A5 true FR2151289A5 (fr) 1973-04-13

Family

ID=10408410

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7229442A Expired FR2151289A5 (fr) 1971-08-20 1972-08-17

Country Status (2)

Country Link
DE (1) DE2240657A1 (fr)
FR (1) FR2151289A5 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2445397C2 (de) * 1974-09-23 1982-09-23 Siemens AG, 1000 Berlin und 8000 München Gleisstromkreis, insbesondere für Gleichstrombahnen mit Chopper-gesteuerten Triebfahrzeugen

Also Published As

Publication number Publication date
DE2240657A1 (de) 1973-03-08

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Legal Events

Date Code Title Description
ST Notification of lapse