Recording and reproduction of items of information using ROM-RAM

Details Recording and reproduction of items of information using ROM-RAM Recording and reproduction of items of information using ROM-RAM

1995-11-27

1998-02-03

Hindi, Nabil

Dynamic information storage or retrieval

Storage medium structure

Optical track structure

G11B 724

Patent

active

057152322

ABSTRACT:
A magneto optical disc system includes a disc having permanently recorded tracks overlain with magneto optical recording material. Data is recorded in the magneto optical material in tracks superimposed over the permanently recorded tracks, using the read-only data to define magneto optical tracks. The magneto optically recorded data is correlated with the prerecorded data for defining the location of data stored in the magneto-optic tracks.

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