CA442990A - Enregistrement magnetique de sons - Google Patents

Enregistrement magnetique de sons

Info

Publication number
CA442990A
CA442990A CA442990A CA442990DA CA442990A CA 442990 A CA442990 A CA 442990A CA 442990 A CA442990 A CA 442990A CA 442990D A CA442990D A CA 442990DA CA 442990 A CA442990 A CA 442990A
Authority
CA
Canada
Prior art keywords
sound record
magnetic sound
magnetic
record
sound
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
CA442990A
Other languages
English (en)
Inventor
K. Potter Ralph
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.)
AT&T Corp
Original Assignee
Western Electric Co Inc
Bell Telephone Laboratories Inc
Publication date
Application granted granted Critical
Publication of CA442990A publication Critical patent/CA442990A/fr
Expired legal-status Critical Current

Links

CA442990A Enregistrement magnetique de sons Expired CA442990A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA442990T

Publications (1)

Publication Number Publication Date
CA442990A true CA442990A (fr) 1947-07-15

Family

ID=35558217

Family Applications (1)

Application Number Title Priority Date Filing Date
CA442990A Expired CA442990A (fr) Enregistrement magnetique de sons

Country Status (1)

Country Link
CA (1) CA442990A (fr)

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