CA482892A - Systemes de signalisation de circuit de voie codifiee desaimantee normallement - Google Patents

Systemes de signalisation de circuit de voie codifiee desaimantee normallement

Info

Publication number
CA482892A
CA482892A CA482892A CA482892DA CA482892A CA 482892 A CA482892 A CA 482892A CA 482892 A CA482892 A CA 482892A CA 482892D A CA482892D A CA 482892DA CA 482892 A CA482892 A CA 482892A
Authority
CA
Canada
Prior art keywords
track circuit
signalling systems
coded track
normally deenergized
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
CA482892A
Other languages
English (en)
Inventor
E. Staples Crawford
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.)
Hitachi Rail STS USA Inc
Original Assignee
Union Switch and Signal Inc
Publication date
Application granted granted Critical
Publication of CA482892A publication Critical patent/CA482892A/fr
Expired legal-status Critical Current

Links

CA482892A Systemes de signalisation de circuit de voie codifiee desaimantee normallement Expired CA482892A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA482892T

Publications (1)

Publication Number Publication Date
CA482892A true CA482892A (fr) 1952-04-29

Family

ID=35622582

Family Applications (1)

Application Number Title Priority Date Filing Date
CA482892A Expired CA482892A (fr) Systemes de signalisation de circuit de voie codifiee desaimantee normallement

Country Status (1)

Country Link
CA (1) CA482892A (fr)

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