FR1046056A - Procédé et dispositif de production de tensions à haute fréquence pour la préaimantation ou pour l'effacement d'enregistrements magnétiques sonores
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Procédé et dispositif de production de tensions à haute fréquence pour la préaimantation ou pour l'effacement d'enregistrements magnétiques sonores
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Loewe Opta GmbH
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Loewe Opta GmbH
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Application filed by Loewe Opta GmbHfiledCriticalLoewe Opta GmbH
Application grantedgrantedCritical
Publication of FR1046056ApublicationCriticalpatent/FR1046056A/fr
G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
G11B5/00—Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
G11B5/02—Recording, reproducing, or erasing methods; Read, write or erase circuits therefor
G11B5/024—Erasing
FR1046056D1950-12-021951-11-30Procédé et dispositif de production de tensions à haute fréquence pour la préaimantation ou pour l'effacement d'enregistrements magnétiques sonores
ExpiredFR1046056A
(fr)