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Priority to FR835501ApriorityCriticalpatent/FR1272127A/fr
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Publication of FR1272127ApublicationCriticalpatent/FR1272127A/fr
G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
G11B23/00—Record carriers not specific to the method of recording or reproducing; Accessories, e.g. containers, specially adapted for co-operation with the recording or reproducing apparatus ; Intermediate mediums; Apparatus or processes specially adapted for their manufacture
G11B23/0007—Circuits or methods for reducing noise, for correction of distortion, or for changing density of recorded information
FR835501A1960-08-101960-08-10Enregistrement et lecture multipistes
ExpiredFR1272127A
(fr)