CA1033446A - Systeme de signaux ferroviaires avec detecteur de mouvement sensible a la vitesse - Google Patents

Systeme de signaux ferroviaires avec detecteur de mouvement sensible a la vitesse

Info

Publication number
CA1033446A
CA1033446A CA223,859A CA223859A CA1033446A CA 1033446 A CA1033446 A CA 1033446A CA 223859 A CA223859 A CA 223859A CA 1033446 A CA1033446 A CA 1033446A
Authority
CA
Canada
Prior art keywords
signal system
speed determined
railway signal
movement detector
determined movement
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
CA223,859A
Other languages
English (en)
Other versions
CA223859S (en
Inventor
Willard L. Geiger
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.)
HARMON INDUSTRIES
Original Assignee
HARMON INDUSTRIES
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
Priority claimed from US458172A external-priority patent/US3929307A/en
Application filed by HARMON INDUSTRIES filed Critical HARMON INDUSTRIES
Application granted granted Critical
Publication of CA1033446A publication Critical patent/CA1033446A/fr
Expired legal-status Critical Current

Links

CA223,859A 1974-04-05 1975-04-04 Systeme de signaux ferroviaires avec detecteur de mouvement sensible a la vitesse Expired CA1033446A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US458172A US3929307A (en) 1973-04-09 1974-04-05 Railway signal system with speed determined movement detector

Publications (1)

Publication Number Publication Date
CA1033446A true CA1033446A (fr) 1978-06-20

Family

ID=23819669

Family Applications (1)

Application Number Title Priority Date Filing Date
CA223,859A Expired CA1033446A (fr) 1974-04-05 1975-04-04 Systeme de signaux ferroviaires avec detecteur de mouvement sensible a la vitesse

Country Status (2)

Country Link
AU (1) AU502975B2 (fr)
CA (1) CA1033446A (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB8614393D0 (en) * 1986-06-13 1986-07-16 British Railways Board Train communication system

Also Published As

Publication number Publication date
AU7990375A (en) 1976-10-14
AU502975B2 (en) 1979-08-16

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