Optical information storage medium having write protection...

Details Optical information storage medium having write protection... Optical information storage medium having write protection...

2007-05-31

2010-11-30

Dinh, Tan X (Department: 2627)

Dynamic information storage or retrieval

Storage medium structure

Optical track structure

C369S047140, C369S053170

Reexamination Certificate

active

07843797

ABSTRACT:
An optical information storage medium includes a lead-in area, a user data zone in which user data is recorded, and a lead-out area. Write protection information is recorded in at least one of the lead-in area and the lead-out area, together with defect management information. Information is recorded and/or reproduced according to the defect management information and the write protection information. The write protection information indicates a size of a write protected area differentiated from a plurality of sizes of write protected areas of the optical information storage medium.

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