CA316786A - Dispositif acoustique - Google Patents

Dispositif acoustique

Info

Publication number
CA316786A
CA316786A CA316786A CA316786DA CA316786A CA 316786 A CA316786 A CA 316786A CA 316786 A CA316786 A CA 316786A CA 316786D A CA316786D A CA 316786DA CA 316786 A CA316786 A CA 316786A
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
CA316786A
Other languages
English (en)
Inventor
S. Ringel Abraham
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 CA316786A publication Critical patent/CA316786A/fr
Expired legal-status Critical Current

Links

CA316786A Dispositif acoustique Expired CA316786A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA316786T

Publications (1)

Publication Number Publication Date
CA316786A true CA316786A (fr) 1931-11-03

Family

ID=35277341

Family Applications (1)

Application Number Title Priority Date Filing Date
CA316786A Expired CA316786A (fr) Dispositif acoustique

Country Status (1)

Country Link
CA (1) CA316786A (fr)

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