Optical disk medium and its application method and system

Details Optical disk medium and its application method and system Optical disk medium and its application method and system

1990-04-20

1992-09-22

Shaw, Dale M.

Dynamic information storage or retrieval

Information location or remote operator actuated control

Selective addressing of storage medium

369 14, 3692752, 3692754, 369111, G11B 1722, G11B 370, G11B 584, G11B 726

Patent

active

051503395

ABSTRACT:
In the present invention, there is provided an optical disk medium wherein a ROM region having data already recorded therein and capable of only optically reproducing (reading) the data as well as a RAM region capable of optically recording and reading out therein and therefrom are interlacedly located in such a positional relationship that enables the substantially continuous and high-speed accessing operation to the read-only ROM and rewritable RAM data, and some of stationary data to be stored suitably in the ROM region are stored in positional relationship closer to some of additional data to be stored suitably in the RAM region which are especially closely related to the some of the stationary data.

REFERENCES:
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patent: 4789979 (1988-12-01), Hiraoka et al.
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patent: 4872154 (1989-10-01), Sakagami et al.
patent: 4879704 (1989-11-01), Takagi et al.
patent: 4949331 (1990-08-01), Maeda et al.
patent: 5012461 (1991-04-01), Yoshida et al.
patent: 5018120 (1991-05-01), Tsuji et al.

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