Apparatus for recording data on and/or reproducing data from...

Dynamic information storage or retrieval – Control of storage or retrieval operation by a control... – By medium defect indicative control signal

Reexamination Certificate

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Details

C369S053150, C369S059250

Reexamination Certificate

active

10886555

ABSTRACT:
An optical disc on which data is recorded and/or from which the data is reproduced, includes a recording area where the data is recorded in at least one physical cluster, a defective area, where a defect that prevents a recording and/or reproduction of data is present, provided in the recording area, and a recording end area where information indicating an end of recording is recorded before the defective area. A method of recording data on and/or reproducing the data from a high density optical disc having a defective area, includes recording the data in a predetermined recording area having the defective area, and recording end data indicating an end of the recording before the defective area.

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