RECORDED FILM ERASING DEVICE FOR MAGNETO-OPTICAL RECORDING MEDIUM

PROBLEM TO BE SOLVED: To instantly unify a magnetized direction to a prescribed direction at ordinary temps. by using large-sized electromagnets for strong magnetic field to erase the recorded film of a magnetro-optical recording medium. SOLUTION: One pair of electromagnets 3a, 3b are arranged so as...

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Bibliographische Detailangaben

1. Verfasser:	CHIBA YUKIYA
Format:	Patent
Sprache:	eng
Schlagworte:	INFORMATION STORAGE INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORDCARRIER AND TRANSDUCER PHYSICS
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