FR779307A - Disc for recording sounds - Google Patents

Disc for recording sounds

Info

Publication number
FR779307A
FR779307A FR779307DA FR779307A FR 779307 A FR779307 A FR 779307A FR 779307D A FR779307D A FR 779307DA FR 779307 A FR779307 A FR 779307A
Authority
FR
France
Prior art keywords
disc
recording sounds
sounds
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
Louis Paul Durand
Pier Carlo Ricchardi
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 FR779307A publication Critical patent/FR779307A/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
    • G11B3/68—Record carriers
    • G11B3/70—Record carriers characterised by the selection of material or structure; Processes or apparatus specially adapted for manufacturing record carriers
FR779307D 1933-12-19 1933-12-19 Disc for recording sounds Expired FR779307A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR779307T 1933-12-19

Publications (1)

Publication Number Publication Date
FR779307A true FR779307A (en) 1935-04-02

Family

ID=9202666

Family Applications (1)

Application Number Title Priority Date Filing Date
FR779307D Expired FR779307A (en) 1933-12-19 1933-12-19 Disc for recording sounds

Country Status (1)

Country Link
FR (1) FR779307A (en)

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