FR773875A - Device for recording sound on discs - Google Patents

Device for recording sound on discs

Info

Publication number
FR773875A
FR773875A FR773875DA FR773875A FR 773875 A FR773875 A FR 773875A FR 773875D A FR773875D A FR 773875DA FR 773875 A FR773875 A FR 773875A
Authority
FR
France
Prior art keywords
discs
recording sound
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
Other languages
French (fr)
Inventor
Pier Carlo Ricchiardi
Louis Paul Durand
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed filed Critical
Application granted granted Critical
Publication of FR773875A publication Critical patent/FR773875A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B3/00—Recording by mechanical cutting, deforming or pressing, e.g. of grooves or pits; Reproducing by mechanical sensing; Record carriers therefor
FR773875D 1933-08-22 1933-08-22 Device for recording sound on discs Expired FR773875A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR773875T 1933-08-22

Publications (1)

Publication Number Publication Date
FR773875A true FR773875A (en) 1934-11-27

Family

ID=9199188

Family Applications (1)

Application Number Title Priority Date Filing Date
FR773875D Expired FR773875A (en) 1933-08-22 1933-08-22 Device for recording sound on discs

Country Status (1)

Country Link
FR (1) FR773875A (en)

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