FR1179148A - Improvements to phonograph records - Google Patents

Improvements to phonograph records

Info

Publication number
FR1179148A
FR1179148A FR1179148DA FR1179148A FR 1179148 A FR1179148 A FR 1179148A FR 1179148D A FR1179148D A FR 1179148DA FR 1179148 A FR1179148 A FR 1179148A
Authority
FR
France
Prior art keywords
phonograph records
phonograph
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
French (fr)
Inventor
Jean-Baptiste Fondere
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 FR1179148A publication Critical patent/FR1179148A/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
FR1179148D 1957-07-19 1957-07-19 Improvements to phonograph records Expired FR1179148A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1179148T 1957-07-19

Publications (1)

Publication Number Publication Date
FR1179148A true FR1179148A (en) 1959-05-21

Family

ID=9661033

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1179148D Expired FR1179148A (en) 1957-07-19 1957-07-19 Improvements to phonograph records

Country Status (1)

Country Link
FR (1) FR1179148A (en)

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