CA167037A - Selective signalling system - Google Patents

Selective signalling system

Info

Publication number
CA167037A
CA167037A CA000167037A CA167037DA CA167037A CA 167037 A CA167037 A CA 167037A CA 000167037 A CA000167037 A CA 000167037A CA 167037D A CA167037D A CA 167037DA CA 167037 A CA167037 A CA 167037A
Authority
CA
Canada
Prior art keywords
signalling system
selective signalling
selective
signalling
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
CA000167037A
Other languages
French (fr)
Inventor
Northern Electric And Manufacturing Company The
Joseph Conrow Field
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.)
Nortel Networks Ltd
Original Assignee
Northern Electric Co Ltd
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
Application filed by Northern Electric Co Ltd filed Critical Northern Electric Co Ltd
Application granted granted Critical
Publication of CA167037A publication Critical patent/CA167037A/en
Expired legal-status Critical Current

Links

CA000167037A 1911-09-14 1911-09-14 Selective signalling system Expired CA167037A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA167037T 1911-09-14

Publications (1)

Publication Number Publication Date
CA167037A true CA167037A (en) 1916-01-11

Family

ID=45286710

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000167037A Expired CA167037A (en) 1911-09-14 1911-09-14 Selective signalling system

Country Status (1)

Country Link
CA (1) CA167037A (en)

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