CA396698A - Acoustic device - Google Patents

Acoustic device

Info

Publication number
CA396698A
CA396698A CA396698A CA396698DA CA396698A CA 396698 A CA396698 A CA 396698A CA 396698 A CA396698 A CA 396698A CA 396698D A CA396698D A CA 396698DA CA 396698 A CA396698 A CA 396698A
Authority
CA
Canada
Prior art keywords
acoustic device
acoustic
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
CA396698A
Other languages
French (fr)
Inventor
Emerson Swickard Andrew
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 CA396698A publication Critical patent/CA396698A/en
Expired legal-status Critical Current

Links

CA396698A Acoustic device Expired CA396698A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA396698T

Publications (1)

Publication Number Publication Date
CA396698A true CA396698A (en) 1941-05-20

Family

ID=35407229

Family Applications (1)

Application Number Title Priority Date Filing Date
CA396698A Expired CA396698A (en) Acoustic device

Country Status (1)

Country Link
CA (1) CA396698A (en)

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