CA396071A - Acoustic device - Google Patents

Acoustic device

Info

Publication number
CA396071A
CA396071A CA396071A CA396071DA CA396071A CA 396071 A CA396071 A CA 396071A CA 396071 A CA396071 A CA 396071A CA 396071D A CA396071D A CA 396071DA CA 396071 A CA396071 A CA 396071A
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
CA396071A
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 CA396071A publication Critical patent/CA396071A/en
Expired legal-status Critical Current

Links

CA396071A Acoustic device Expired CA396071A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA396071T

Publications (1)

Publication Number Publication Date
CA396071A true CA396071A (en) 1941-04-22

Family

ID=35403512

Family Applications (1)

Application Number Title Priority Date Filing Date
CA396071A Expired CA396071A (en) Acoustic device

Country Status (1)

Country Link
CA (1) CA396071A (en)

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