CA476122A - Methodes et systemes d'enregistrement de sons negatifs et positifs - Google Patents

Methodes et systemes d'enregistrement de sons negatifs et positifs

Info

Publication number
CA476122A
CA476122A CA476122A CA476122DA CA476122A CA 476122 A CA476122 A CA 476122A CA 476122 A CA476122 A CA 476122A CA 476122D A CA476122D A CA 476122DA CA 476122 A CA476122 A CA 476122A
Authority
CA
Canada
Prior art keywords
systems
recording methods
negative positive
positive recording
negative
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
CA476122A
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 CA476122A publication Critical patent/CA476122A/fr
Expired legal-status Critical Current

Links

CA476122A Methodes et systemes d'enregistrement de sons negatifs et positifs Expired CA476122A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA476122T

Publications (1)

Publication Number Publication Date
CA476122A true CA476122A (fr) 1951-08-14

Family

ID=35615746

Family Applications (1)

Application Number Title Priority Date Filing Date
CA476122A Expired CA476122A (fr) Methodes et systemes d'enregistrement de sons negatifs et positifs

Country Status (1)

Country Link
CA (1) CA476122A (fr)

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