Write-once optical disc having update area and access area

Details Write-once optical disc having update area and access area Write-once optical disc having update area and access area

2011-01-11

2011-01-11

Dinh, Tan X (Department: 2627)

Dynamic information storage or retrieval

Control of storage or retrieval operation by a control...

By medium defect indicative control signal

C369S053170, C369S275300

Reexamination Certificate

active

07869315

ABSTRACT:
A write-once disc, an apparatus for recording information thereon, and a method of reducing access time thereto the write-once disc including at least one record layer. The write-once disc also includes at least one update area in which updated predetermined information is recorded; and an access information area in which location information regarding the updated predetermined information, is recorded for a predetermined period. Accordingly, it is possible to reduce an access time for reading information updated in the write-once disc on which predetermined information is updated and recorded on a new position.

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Office Action issued by the State Intellectual Property Office of the People's Republic of China on May 8, 2009.
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