CA375140A - Acoustic device - Google Patents

Acoustic device

Info

Publication number
CA375140A
CA375140A CA375140A CA375140DA CA375140A CA 375140 A CA375140 A CA 375140A CA 375140 A CA375140 A CA 375140A CA 375140D A CA375140D A CA 375140DA CA 375140 A CA375140 A CA 375140A
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
CA375140A
Other languages
French (fr)
Inventor
Q. Tiedje John
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.)
RCA Corp
Original Assignee
Radio Corporation of America
Publication date
Application granted granted Critical
Publication of CA375140A publication Critical patent/CA375140A/en
Expired legal-status Critical Current

Links

CA375140A Acoustic device Expired CA375140A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA375140T

Publications (1)

Publication Number Publication Date
CA375140A true CA375140A (en) 1938-07-19

Family

ID=35379464

Family Applications (1)

Application Number Title Priority Date Filing Date
CA375140A Expired CA375140A (en) Acoustic device

Country Status (1)

Country Link
CA (1) CA375140A (en)

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