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.)
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HENRI ERASTE ARTHUR AURELE BAI
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HENRI ERASTE ARTHUR AURELE BAI
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Filing date
Publication date
Application filed by HENRI ERASTE ARTHUR AURELE BAIfiledCriticalHENRI ERASTE ARTHUR AURELE BAI
Application grantedgrantedCritical
Publication of FR354797ApublicationCriticalpatent/FR354797A/fr
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
G11B25/02—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 cylindrical record carriers
FR354797D1905-05-021905-05-02Nouveaux perfectionnements dans les phonographes
ExpiredFR354797A
(fr)