FR1252740A - Improvement of phonographic reproduction records - Google Patents

Improvement of phonographic reproduction records

Info

Publication number
FR1252740A
FR1252740A FR813783A FR813783A FR1252740A FR 1252740 A FR1252740 A FR 1252740A FR 813783 A FR813783 A FR 813783A FR 813783 A FR813783 A FR 813783A FR 1252740 A FR1252740 A FR 1252740A
Authority
FR
France
Prior art keywords
improvement
reproduction records
phonographic reproduction
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
FR813783A
Other languages
French (fr)
Inventor
Jean Delplace
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
Priority to FR813783A priority Critical patent/FR1252740A/en
Application granted granted Critical
Publication of FR1252740A publication Critical patent/FR1252740A/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
FR813783A 1959-12-22 1959-12-22 Improvement of phonographic reproduction records Expired FR1252740A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR813783A FR1252740A (en) 1959-12-22 1959-12-22 Improvement of phonographic reproduction records

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR813783A FR1252740A (en) 1959-12-22 1959-12-22 Improvement of phonographic reproduction records

Publications (1)

Publication Number Publication Date
FR1252740A true FR1252740A (en) 1961-02-03

Family

ID=8722886

Family Applications (1)

Application Number Title Priority Date Filing Date
FR813783A Expired FR1252740A (en) 1959-12-22 1959-12-22 Improvement of phonographic reproduction records

Country Status (1)

Country Link
FR (1) FR1252740A (en)

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