CA390376A - Production d'empreintes des sons - Google Patents

Production d'empreintes des sons

Info

Publication number
CA390376A
CA390376A CA390376A CA390376DA CA390376A CA 390376 A CA390376 A CA 390376A CA 390376 A CA390376 A CA 390376A CA 390376D A CA390376D A CA 390376DA CA 390376 A CA390376 A CA 390376A
Authority
CA
Canada
Prior art keywords
sound record
record production
production
sound
record
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
CA390376A
Other languages
English (en)
Inventor
L. Dimmick Glenn
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 CA390376A publication Critical patent/CA390376A/fr
Expired legal-status Critical Current

Links

CA390376A Production d'empreintes des sons Expired CA390376A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA390376T

Publications (1)

Publication Number Publication Date
CA390376A true CA390376A (fr) 1940-07-30

Family

ID=35397958

Family Applications (1)

Application Number Title Priority Date Filing Date
CA390376A Expired CA390376A (fr) Production d'empreintes des sons

Country Status (1)

Country Link
CA (1) CA390376A (fr)

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