CA402245A - Signal lumineux - Google Patents

Signal lumineux

Info

Publication number
CA402245A
CA402245A CA402245A CA402245DA CA402245A CA 402245 A CA402245 A CA 402245A CA 402245 A CA402245 A CA 402245A CA 402245D A CA402245D A CA 402245DA CA 402245 A CA402245 A CA 402245A
Authority
CA
Canada
Prior art keywords
light signal
light
signal
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
CA402245A
Other languages
English (en)
Inventor
B. Wells Wesley
K. Lockhart William
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 CA402245A publication Critical patent/CA402245A/fr
Expired legal-status Critical Current

Links

CA402245A Signal lumineux Expired CA402245A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA402245T

Publications (1)

Publication Number Publication Date
CA402245A true CA402245A (fr) 1942-01-13

Family

ID=35412691

Family Applications (1)

Application Number Title Priority Date Filing Date
CA402245A Expired CA402245A (fr) Signal lumineux

Country Status (1)

Country Link
CA (1) CA402245A (fr)

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