CA236648A - Trunk circuit for telephone systems - Google Patents

Trunk circuit for telephone systems

Info

Publication number
CA236648A
CA236648A CA236648A CA236648DA CA236648A CA 236648 A CA236648 A CA 236648A CA 236648 A CA236648 A CA 236648A CA 236648D A CA236648D A CA 236648DA CA 236648 A CA236648 A CA 236648A
Authority
CA
Canada
Prior art keywords
telephone systems
trunk circuit
trunk
circuit
telephone
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
CA236648A
Other languages
French (fr)
Inventor
Bessey Smith Arthur
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 CA236648A publication Critical patent/CA236648A/en
Expired legal-status Critical Current

Links

CA236648A Trunk circuit for telephone systems Expired CA236648A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA236648T

Publications (1)

Publication Number Publication Date
CA236648A true CA236648A (en) 1923-12-25

Family

ID=35134022

Family Applications (1)

Application Number Title Priority Date Filing Date
CA236648A Expired CA236648A (en) Trunk circuit for telephone systems

Country Status (1)

Country Link
CA (1) CA236648A (en)

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