CA598925A - Selective ringing circuits - Google Patents

Selective ringing circuits

Info

Publication number
CA598925A
CA598925A CA598925A CA598925DA CA598925A CA 598925 A CA598925 A CA 598925A CA 598925 A CA598925 A CA 598925A CA 598925D A CA598925D A CA 598925DA CA 598925 A CA598925 A CA 598925A
Authority
CA
Canada
Prior art keywords
selective ringing
ringing circuits
circuits
selective
ringing
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
CA598925A
Inventor
A. Meacham Larned
West Fred
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.)
AT&T Corp
Original Assignee
Western Electric Co Inc
Publication date
Application granted granted Critical
Publication of CA598925A publication Critical patent/CA598925A/en
Expired legal-status Critical Current

Links

CA598925A Selective ringing circuits Expired CA598925A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA598925T

Publications (1)

Publication Number Publication Date
CA598925A true CA598925A (en) 1960-05-31

Family

ID=35814702

Family Applications (1)

Application Number Title Priority Date Filing Date
CA598925A Expired CA598925A (en) Selective ringing circuits

Country Status (1)

Country Link
CA (1) CA598925A (en)

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