CA552851A - Appareil de telephone avec amplificateur - Google Patents

Appareil de telephone avec amplificateur

Info

Publication number
CA552851A
CA552851A CA552851A CA552851DA CA552851A CA 552851 A CA552851 A CA 552851A CA 552851 A CA552851 A CA 552851A CA 552851D A CA552851D A CA 552851DA CA 552851 A CA552851 A CA 552851A
Authority
CA
Canada
Prior art keywords
amplifier
telephone set
telephone
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
CA552851A
Other languages
English (en)
Inventor
J. Chase Albert
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 CA552851A publication Critical patent/CA552851A/fr
Expired legal-status Critical Current

Links

CA552851A Appareil de telephone avec amplificateur Expired CA552851A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA552851T

Publications (1)

Publication Number Publication Date
CA552851A true CA552851A (fr) 1958-02-04

Family

ID=35714257

Family Applications (1)

Application Number Title Priority Date Filing Date
CA552851A Expired CA552851A (fr) Appareil de telephone avec amplificateur

Country Status (1)

Country Link
CA (1) CA552851A (fr)

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