CA507039A - Emergency control for centralized traffic control systems - Google Patents

Emergency control for centralized traffic control systems

Info

Publication number
CA507039A
CA507039A CA507039A CA507039DA CA507039A CA 507039 A CA507039 A CA 507039A CA 507039 A CA507039 A CA 507039A CA 507039D A CA507039D A CA 507039DA CA 507039 A CA507039 A CA 507039A
Authority
CA
Canada
Prior art keywords
centralized traffic
control
emergency
control systems
systems
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
CA507039A
Other languages
French (fr)
Inventor
C. Van Tassel Harry
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 CA507039A publication Critical patent/CA507039A/en
Expired legal-status Critical Current

Links

CA507039A Emergency control for centralized traffic control systems Expired CA507039A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA507039T

Publications (1)

Publication Number Publication Date
CA507039A true CA507039A (en) 1954-11-02

Family

ID=35652973

Family Applications (1)

Application Number Title Priority Date Filing Date
CA507039A Expired CA507039A (en) Emergency control for centralized traffic control systems

Country Status (1)

Country Link
CA (1) CA507039A (en)

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