CA423177A - Telephone transmission system - Google Patents

Telephone transmission system

Info

Publication number
CA423177A
CA423177A CA423177A CA423177DA CA423177A CA 423177 A CA423177 A CA 423177A CA 423177 A CA423177 A CA 423177A CA 423177D A CA423177D A CA 423177DA CA 423177 A CA423177 A CA 423177A
Authority
CA
Canada
Prior art keywords
transmission system
telephone transmission
telephone
transmission
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
CA423177A
Other languages
French (fr)
Inventor
William Halligan Clair
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 CA423177A publication Critical patent/CA423177A/en
Expired legal-status Critical Current

Links

CA423177A Telephone transmission system Expired CA423177A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA423177T

Publications (1)

Publication Number Publication Date
CA423177A true CA423177A (en) 1944-10-10

Family

ID=35534179

Family Applications (1)

Application Number Title Priority Date Filing Date
CA423177A Expired CA423177A (en) Telephone transmission system

Country Status (1)

Country Link
CA (1) CA423177A (en)

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