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CA856419A - Signalling system - Google Patents

Signalling system

Info

Publication number
CA856419A
CA856419A CA856419A CA856419DA CA856419A CA 856419 A CA856419 A CA 856419A CA 856419 A CA856419 A CA 856419A CA 856419D A CA856419D A CA 856419DA CA 856419 A CA856419 A CA 856419A
Authority
CA
Canada
Prior art keywords
signalling system
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
CA856419A
Inventor
P. G. Wright Esmond
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.)
International Telephone and Telegraph Corp
Original Assignee
International Telephone and Telegraph Corp
Publication date
Application granted granted Critical
Publication of CA856419A publication Critical patent/CA856419A/en
Expired legal-status Critical Current

Links

CA856419A Signalling system Expired CA856419A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA856419T

Publications (1)

Publication Number Publication Date
CA856419A true CA856419A (en) 1970-11-17

Family

ID=36341959

Family Applications (1)

Application Number Title Priority Date Filing Date
CA856419A Expired CA856419A (en) Signalling system

Country Status (1)

Country Link
CA (1) CA856419A (en)

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