CA782009A - Centralized repertory system for multifrequency signaling telephones - Google Patents

Centralized repertory system for multifrequency signaling telephones

Info

Publication number
CA782009A
CA782009A CA782009A CA782009DA CA782009A CA 782009 A CA782009 A CA 782009A CA 782009 A CA782009 A CA 782009A CA 782009D A CA782009D A CA 782009DA CA 782009 A CA782009 A CA 782009A
Authority
CA
Canada
Prior art keywords
repertory
telephones
centralized
multifrequency signaling
multifrequency
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
CA782009A
Inventor
R. Morley Alfred
J. Jenkins Bobbie
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 CA782009A publication Critical patent/CA782009A/en
Expired legal-status Critical Current

Links

CA782009A Centralized repertory system for multifrequency signaling telephones Expired CA782009A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA782009T

Publications (1)

Publication Number Publication Date
CA782009A true CA782009A (en) 1968-04-02

Family

ID=36244685

Family Applications (1)

Application Number Title Priority Date Filing Date
CA782009A Expired CA782009A (en) Centralized repertory system for multifrequency signaling telephones

Country Status (1)

Country Link
CA (1) CA782009A (en)

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