Optical recording medium having both serial data and random data

Details Optical recording medium having both serial data and random data Optical recording medium having both serial data and random data

1995-11-07

1999-04-20

Dinh, Tan

Dynamic information storage or retrieval

Storage medium structure

Optical track structure

369 58, G11B 724

Patent

active

058963642

ABSTRACT:
A random data recording area and a serial data recording area are placed in a radial direction on the same surface of a zoned constant angular velocity disk. The random data recording area is located at an inner circumference of the disk, while the serial data recording area is located at an outer circumference of the disk. The random data recording area consists of a rewritable random data recording area and a read-only random data recording area, wherein the read-only random data recording area is placed at an inner circumference of the disk. The serial data recording area consists of a rewritable serial data recording area and a read-only serial data recording area, wherein the read-only serial data recording area is placed at an outer circumference of the disk.

REFERENCES:
patent: 5373498 (1994-12-01), Tagiri
patent: 5420839 (1995-05-01), Tateishi
patent: 5740151 (1998-04-01), Koh
patent: 5757752 (1998-05-01), Sako
patent: 5778257 (1998-07-01), Tsukatani et al.

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