CA643064A - Telephone systems - Google Patents

Telephone systems

Info

Publication number
CA643064A
CA643064A CA643064A CA643064DA CA643064A CA 643064 A CA643064 A CA 643064A CA 643064 A CA643064 A CA 643064A CA 643064D A CA643064D A CA 643064DA CA 643064 A CA643064 A CA 643064A
Authority
CA
Canada
Prior art keywords
telephone systems
telephone
systems
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
CA643064A
Inventor
E. Lomax Clarence
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
Publication date
Application granted granted Critical
Publication of CA643064A publication Critical patent/CA643064A/en
Expired legal-status Critical Current

Links

CA643064A Telephone systems Expired CA643064A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA643064T

Publications (1)

Publication Number Publication Date
CA643064A true CA643064A (en) 1962-06-19

Family

ID=35921597

Family Applications (1)

Application Number Title Priority Date Filing Date
CA643064A Expired CA643064A (en) Telephone systems

Country Status (1)

Country Link
CA (1) CA643064A (en)

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