FR700739A - Perfectionnements aux disques phonographiques - Google Patents

Perfectionnements aux disques phonographiques

Info

Publication number
FR700739A
FR700739A FR700739DA FR700739A FR 700739 A FR700739 A FR 700739A FR 700739D A FR700739D A FR 700739DA FR 700739 A FR700739 A FR 700739A
Authority
FR
France
Prior art keywords
phonographic records
phonographic
records
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
English (en)
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.)
Valeo SE
Original Assignee
Francaise du Ferodo SA
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 by Francaise du Ferodo SA filed Critical Francaise du Ferodo SA
Application granted granted Critical
Publication of FR700739A publication Critical patent/FR700739A/fr
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
FR700739D 1930-08-19 1930-08-19 Perfectionnements aux disques phonographiques Expired FR700739A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR700739T 1930-08-19

Publications (1)

Publication Number Publication Date
FR700739A true FR700739A (fr) 1931-03-06

Family

ID=9051504

Family Applications (1)

Application Number Title Priority Date Filing Date
FR700739D Expired FR700739A (fr) 1930-08-19 1930-08-19 Perfectionnements aux disques phonographiques

Country Status (1)

Country Link
FR (1) FR700739A (fr)

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