CA687789A - Telephone line concentrator - Google Patents

Telephone line concentrator

Info

Publication number
CA687789A
CA687789A CA687789A CA687789DA CA687789A CA 687789 A CA687789 A CA 687789A CA 687789 A CA687789 A CA 687789A CA 687789D A CA687789D A CA 687789DA CA 687789 A CA687789 A CA 687789A
Authority
CA
Canada
Prior art keywords
telephone line
line concentrator
concentrator
telephone
line
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
CA687789A
Inventor
E. Blount Frank
E. Krom Myron
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 CA687789A publication Critical patent/CA687789A/en
Expired legal-status Critical Current

Links

CA687789A Telephone line concentrator Expired CA687789A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA687789T

Publications (1)

Publication Number Publication Date
CA687789A true CA687789A (en) 1964-06-02

Family

ID=35990400

Family Applications (1)

Application Number Title Priority Date Filing Date
CA687789A Expired CA687789A (en) Telephone line concentrator

Country Status (1)

Country Link
CA (1) CA687789A (en)

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