CA477255A - Systemes d'enregistrement de sons a modulation de pulsations - Google Patents

Systemes d'enregistrement de sons a modulation de pulsations

Info

Publication number
CA477255A
CA477255A CA477255A CA477255DA CA477255A CA 477255 A CA477255 A CA 477255A CA 477255 A CA477255 A CA 477255A CA 477255D A CA477255D A CA 477255DA CA 477255 A CA477255 A CA 477255A
Authority
CA
Canada
Prior art keywords
pulse modulation
sound recording
recording systems
modulation sound
systems
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
CA477255A
Other languages
English (en)
Inventor
Jules Lehmann Gerard
Norman Hugh Young, 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.)
Federal Telephone and Radio Corp
Original Assignee
Federal Telephone and Radio Corp
Publication date
Application granted granted Critical
Publication of CA477255A publication Critical patent/CA477255A/fr
Expired legal-status Critical Current

Links

CA477255A Systemes d'enregistrement de sons a modulation de pulsations Expired CA477255A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA477255T

Publications (1)

Publication Number Publication Date
CA477255A true CA477255A (fr) 1951-09-25

Family

ID=35616898

Family Applications (1)

Application Number Title Priority Date Filing Date
CA477255A Expired CA477255A (fr) Systemes d'enregistrement de sons a modulation de pulsations

Country Status (1)

Country Link
CA (1) CA477255A (fr)

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