CA473333A - Signaux lumineux - Google Patents

Signaux lumineux

Info

Publication number
CA473333A
CA473333A CA473333A CA473333DA CA473333A CA 473333 A CA473333 A CA 473333A CA 473333 A CA473333 A CA 473333A CA 473333D A CA473333D A CA 473333DA CA 473333 A CA473333 A CA 473333A
Authority
CA
Canada
Prior art keywords
light signals
signals
light
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
CA473333A
Other languages
English (en)
Inventor
R. Douglass Myrl
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 CA473333A publication Critical patent/CA473333A/fr
Expired legal-status Critical Current

Links

CA473333A Signaux lumineux Expired CA473333A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA473333T

Publications (1)

Publication Number Publication Date
CA473333A true CA473333A (fr) 1951-05-01

Family

ID=35607304

Family Applications (1)

Application Number Title Priority Date Filing Date
CA473333A Expired CA473333A (fr) Signaux lumineux

Country Status (1)

Country Link
CA (1) CA473333A (fr)

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