CA508240A - Circuits d'essai de canalisation pour systemes telephoniques - Google Patents

Circuits d'essai de canalisation pour systemes telephoniques

Info

Publication number
CA508240A
CA508240A CA508240A CA508240DA CA508240A CA 508240 A CA508240 A CA 508240A CA 508240 A CA508240 A CA 508240A CA 508240D A CA508240D A CA 508240DA CA 508240 A CA508240 A CA 508240A
Authority
CA
Canada
Prior art keywords
telephone systems
testing circuits
channel testing
channel
circuits
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
CA508240A
Other languages
English (en)
Inventor
T. Brewer Sherman
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 CA508240A publication Critical patent/CA508240A/fr
Expired legal-status Critical Current

Links

CA508240A Circuits d'essai de canalisation pour systemes telephoniques Expired CA508240A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA508240T

Publications (1)

Publication Number Publication Date
CA508240A true CA508240A (fr) 1954-12-14

Family

ID=35659280

Family Applications (1)

Application Number Title Priority Date Filing Date
CA508240A Expired CA508240A (fr) Circuits d'essai de canalisation pour systemes telephoniques

Country Status (1)

Country Link
CA (1) CA508240A (fr)

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