CA391714A - Appareil a enregistrer les sons - Google Patents

Appareil a enregistrer les sons

Info

Publication number
CA391714A
CA391714A CA391714A CA391714DA CA391714A CA 391714 A CA391714 A CA 391714A CA 391714 A CA391714 A CA 391714A CA 391714D A CA391714D A CA 391714DA CA 391714 A CA391714 A CA 391714A
Authority
CA
Canada
Prior art keywords
recording apparatus
sound recording
sound
recording
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
CA391714A
Other languages
English (en)
Inventor
Hugh Mcdowell, Jr.
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 CA391714A publication Critical patent/CA391714A/fr
Expired legal-status Critical Current

Links

CA391714A Appareil a enregistrer les sons Expired CA391714A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA391714T

Publications (1)

Publication Number Publication Date
CA391714A true CA391714A (fr) 1940-10-01

Family

ID=35399250

Family Applications (1)

Application Number Title Priority Date Filing Date
CA391714A Expired CA391714A (fr) Appareil a enregistrer les sons

Country Status (1)

Country Link
CA (1) CA391714A (fr)

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