FR796205A - Improvements made to railway track circuits - Google Patents

Improvements made to railway track circuits

Info

Publication number
FR796205A
FR796205A FR796205DA FR796205A FR 796205 A FR796205 A FR 796205A FR 796205D A FR796205D A FR 796205DA FR 796205 A FR796205 A FR 796205A
Authority
FR
France
Prior art keywords
improvements made
railway track
track circuits
circuits
railway
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.)
SPX Corp
Original Assignee
General Railway Signal Co
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 General Railway Signal Co filed Critical General Railway Signal Co
Application granted granted Critical
Publication of FR796205A publication Critical patent/FR796205A/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 vehicle train, e.g. pedals
    • B61L1/18—Railway track circuits
    • B61L1/181—Details
    • B61L1/186—Use of rectified alternating current
FR796205D 1935-05-29 1935-10-09 Improvements made to railway track circuits Expired FR796205A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US24074A US2123964A (en) 1935-05-29 1935-05-29 Track circuit for railroads

Publications (1)

Publication Number Publication Date
FR796205A true FR796205A (en) 1936-04-01

Family

ID=21818727

Family Applications (1)

Application Number Title Priority Date Filing Date
FR796205D Expired FR796205A (en) 1935-05-29 1935-10-09 Improvements made to railway track circuits

Country Status (3)

Country Link
US (1) US2123964A (en)
FR (1) FR796205A (en)
GB (1) GB445515A (en)

Also Published As

Publication number Publication date
GB445515A (en) 1936-04-14
US2123964A (en) 1938-07-19

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