Optical disk medium and its application method and system
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United States of America Patent
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Sep 22, 1992
Issued Date -
N/A
app pub date -
Apr 20, 1990
filing date -
Apr 24, 1989
priority date (Note) -
Expired
status (Latency Note)
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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.
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