Method for determining completeness of optical disc and...

Details Method for determining completeness of optical disc and... Method for determining completeness of optical disc and...

2008-01-10

2011-12-06

Lamb, Christopher R (Department: 2627)

Dynamic information storage or retrieval

Condition indicating, monitoring, or testing

Including radiation storage or retrieval

C369S053200

Reexamination Certificate

active

08072861

ABSTRACT:
A method for determining the completeness of an optical disc and a method for playing the optical disc are provided. The method for playing the optical disc includes: performing focusing on and tracking on the optical disc; detecting whether the optical disc contains any data if the focusing on succeeds while the tracking on fails; if the optical disc contains data, turning on a servo system to perform focusing on and tracking on to the area containing the data and determining whether a file information area contains a file system; if the file information area does not contain any file system, reading the outmost data in a video data area to locate a file allocation data table; and playing the data stored in the video data area according to the file allocation data table.

REFERENCES:
patent: 5351226 (1994-09-01), Mizumoto et al.
patent: 5381392 (1995-01-01), Hira
patent: 5414684 (1995-05-01), Nonaka et al.
patent: 2002/0021633 (2002-02-01), Shimamura
patent: 2008/0019233 (2008-01-01), Liu et al.
patent: 0 526 017 (1993-02-01), None
Chinese Examination Report of Taiwan Application No. 096140809, dated Apr. 13, 2011.

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