CA416624A - Signal lumineux - Google Patents

Signal lumineux

Info

Publication number
CA416624A
CA416624A CA416624A CA416624DA CA416624A CA 416624 A CA416624 A CA 416624A CA 416624 A CA416624 A CA 416624A CA 416624D A CA416624D A CA 416624DA CA 416624 A CA416624 A CA 416624A
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
CA416624A
Other languages
English (en)
Inventor
B. Wells Wesley
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 CA416624A publication Critical patent/CA416624A/fr
Expired legal-status Critical Current

Links

CA416624A Signal lumineux Expired CA416624A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA416624T

Publications (1)

Publication Number Publication Date
CA416624A true CA416624A (fr) 1943-11-23

Family

ID=35525851

Family Applications (1)

Application Number Title Priority Date Filing Date
CA416624A Expired CA416624A (fr) Signal lumineux

Country Status (1)

Country Link
CA (1) CA416624A (fr)

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