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.)
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 filedfiledCritical
Application grantedgrantedCritical
Publication of FR594585ApublicationCriticalpatent/FR594585A/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
G11B25/10—Apparatus capable of using record carriers defined in more than one of the sub-groups G11B25/02 - G11B25/08; Adaptor devices therefor
FR594585D1924-05-261924-05-26Dispositif pour l'amplification des sons enregistrés sur disques phonographiques
ExpiredFR594585A
(fr)