CA790125A - Telephone code ringing circuits - Google Patents

Telephone code ringing circuits

Info

Publication number
CA790125A
CA790125A CA790125A CA790125DA CA790125A CA 790125 A CA790125 A CA 790125A CA 790125 A CA790125 A CA 790125A CA 790125D A CA790125D A CA 790125DA CA 790125 A CA790125 A CA 790125A
Authority
CA
Canada
Prior art keywords
telephone code
ringing circuits
code ringing
circuits
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
CA790125A
Inventor
A. Kular Zenon
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 CA790125A publication Critical patent/CA790125A/en
Expired legal-status Critical Current

Links

CA790125A Telephone code ringing circuits Expired CA790125A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA790125T

Publications (1)

Publication Number Publication Date
CA790125A true CA790125A (en) 1968-07-16

Family

ID=210920

Family Applications (1)

Application Number Title Priority Date Filing Date
CA790125A Expired CA790125A (en) Telephone code ringing circuits

Country Status (1)

Country Link
CA (1) CA790125A (en)

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