Optical disc drive and method of checking optical disc

Details Optical disc drive and method of checking optical disc Optical disc drive and method of checking optical disc

2006-08-01

2006-08-01

Dinh, Tan (Department: 2653)

Dynamic information storage or retrieval

Information location or remote operator actuated control

Selective addressing of storage medium

C369S030070, C369S053210

Reexamination Certificate

active

07085201

ABSTRACT:
An optical disc drive1of the present invention can record and/or reproduce data including audio data and non-audio data onto and/or from a multi-session optical disc2when the optical disc is loaded into the optical disc drive. The optical disc drive1includes an optical pick-up3capable of moving in a radial direction of the loaded optical disc2to record or reproduce the data onto or from the loaded optical disc, means for sequentially acquiring the TOC information recorded in the lead-in areas of the multiple sessions in the loaded optical disc2by means of the optical pick-up3, means for judging whether or not there is illegal TOC information in the acquired TOC information, means for acquiring track information of the at least one tracks recorded in the acquired session(s) before the session including the illegal TOC information in the case where it is judged that there is the illegal TOC information in the acquired TOC information, means for sequentially judging whether or not there is a non-audio track in which the non-audio data is recorded in the at least one tracks acquired, and means for invalidating all sessions on and after the session including the non-audio track in the case where it is judged that there is the non-audio track in the acquired tracks.

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