Disc-shaped recording medium with magnetic data and read out reg

Details Disc-shaped recording medium with magnetic data and read out reg Disc-shaped recording medium with magnetic data and read out reg

1992-10-06

1996-02-20

Neyzari, Ali

Dynamic information storage or retrieval

Storage medium structure

Optical track structure

3692753, 369 59, G11B 724

Patent

active

054935580

ABSTRACT:
A disc-shaped recording medium capable of being rewritten comprises: a lead-in area which is provided in the inner rim of the disc shaped recording medium and in which information concerning the disc-shaped recording medium is prerecorded; a data area which is provided in the outer periphery of lead-in area and which is capable of recording data; and a lead-out area which is provided in the outer periphery of the data area and which indicates the end of the data area, the lead-out area being a recordable area the same as data area.

REFERENCES:
patent: 4942565 (1990-07-01), Lagadec
patent: 4985881 (1991-01-01), Saito et al.
patent: 5153861 (1992-10-01), Maeda et al.
patent: 5214631 (1993-05-01), Maeda et al.
patent: 5243588 (1993-09-01), Maeda et al.
patent: 5244705 (1993-09-01), Tsurushima et al.

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