FR858891A - Phonographic records and their manufacturing process - Google Patents

Phonographic records and their manufacturing process

Info

Publication number
FR858891A
FR858891A FR858891DA FR858891A FR 858891 A FR858891 A FR 858891A FR 858891D A FR858891D A FR 858891DA FR 858891 A FR858891 A FR 858891A
Authority
FR
France
Prior art keywords
manufacturing process
phonographic records
phonographic
records
manufacturing
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
Pierre Benjamin Cornuet
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 FR858891A publication Critical patent/FR858891A/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
FR858891D 1939-08-09 1939-08-09 Phonographic records and their manufacturing process Expired FR858891A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR858891T 1939-08-09

Publications (1)

Publication Number Publication Date
FR858891A true FR858891A (en) 1940-12-05

Family

ID=9330176

Family Applications (1)

Application Number Title Priority Date Filing Date
FR858891D Expired FR858891A (en) 1939-08-09 1939-08-09 Phonographic records and their manufacturing process

Country Status (1)

Country Link
FR (1) FR858891A (en)

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