FR666121A - Perfectionnement aux phonographes - Google Patents

Perfectionnement aux phonographes

Info

Publication number
FR666121A
FR666121A FR666121DA FR666121A FR 666121 A FR666121 A FR 666121A FR 666121D A FR666121D A FR 666121DA FR 666121 A FR666121 A FR 666121A
Authority
FR
France
Prior art keywords
phonographs
improvement
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)
Inventor
Joseph Gouverneur
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 FR666121A publication Critical patent/FR666121A/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
    • G11B25/00—Apparatus characterised by the shape of record carrier employed but not specific to the method of recording or reproducing, e.g. dictating apparatus; Combinations of such apparatus
    • G11B25/04—Apparatus characterised by the shape of record carrier employed but not specific to the method of recording or reproducing, e.g. dictating apparatus; Combinations of such apparatus using flat record carriers, e.g. disc, card
FR666121D 1928-12-20 1928-12-20 Perfectionnement aux phonographes Expired FR666121A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR666121T 1928-12-20

Publications (1)

Publication Number Publication Date
FR666121A true FR666121A (fr) 1929-09-27

Family

ID=9013700

Family Applications (1)

Application Number Title Priority Date Filing Date
FR666121D Expired FR666121A (fr) 1928-12-20 1928-12-20 Perfectionnement aux phonographes

Country Status (1)

Country Link
FR (1) FR666121A (fr)

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