Information recording/reproduction method and apparatus...

Dynamic information storage or retrieval – Control of storage or retrieval operation by a control... – Mechanism control by the control signal

Reexamination Certificate

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C369S059140

Reexamination Certificate

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06973016

ABSTRACT:
An information recording medium includes a data area for recording data; and a drive information area for recording at least one piece of drive information. The data area is divided into a plurality of segmented areas in a radial direction of the information recording medium. Each at least one piece of drive information includes a recording and reproduction condition corresponding to at least one of the plurality of segmented areas.

REFERENCES:
patent: 5598395 (1997-01-01), Watanabe
patent: 5898655 (1999-04-01), Takahashi
patent: 6404707 (2002-06-01), Kaneda et al.
patent: 6411576 (2002-06-01), Furukawa et al.
patent: 6434096 (2002-08-01), Akagi et al.
patent: 05-282795 (1993-10-01), None
patent: 10-112031 (1998-04-01), None

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