Dynamic information storage or retrieval – Storage or retrieval by simultaneous application of diverse... – Magnetic field and light beam
Patent
1991-01-16
1993-06-29
LaRoche, Eugene R.
Dynamic information storage or retrieval
Storage or retrieval by simultaneous application of diverse...
Magnetic field and light beam
369 772, 369215, 360 59, 360114, G11B 1100, G11B 3302, G11B 502
Patent
active
052240797
ABSTRACT:
A magneto-optical disc recording apparatus for writing information signals on a disc includes an external magnetic field generator that moves in close to the disc after the disc begins to rotate and moves away from the disc before the disc stops rotating to prevent the external magnetic field generator from contacting the disc.
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LaRoche Eugene R.
Nguyen Tan
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