CA475871A - Coded track circuit signalling systems for railroads - Google Patents

Coded track circuit signalling systems for railroads

Info

Publication number
CA475871A
CA475871A CA475871A CA475871DA CA475871A CA 475871 A CA475871 A CA 475871A CA 475871 A CA475871 A CA 475871A CA 475871D A CA475871D A CA 475871DA CA 475871 A CA475871 A CA 475871A
Authority
CA
Canada
Prior art keywords
railroads
track circuit
signalling systems
coded track
circuit signalling
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
CA475871A
Other languages
French (fr)
Inventor
W. Curran John
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
Publication date
Application granted granted Critical
Publication of CA475871A publication Critical patent/CA475871A/en
Expired legal-status Critical Current

Links

CA475871A Coded track circuit signalling systems for railroads Expired CA475871A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA475871T

Publications (1)

Publication Number Publication Date
CA475871A true CA475871A (en) 1951-08-07

Family

ID=35609863

Family Applications (1)

Application Number Title Priority Date Filing Date
CA475871A Expired CA475871A (en) Coded track circuit signalling systems for railroads

Country Status (1)

Country Link
CA (1) CA475871A (en)

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