Patent ID: 8009528
Filing Date: 2011-08-30
Classification: G11B

Abstract:
1. A method for recovering disc management information of a recording medium, the recording medium including a user data area and a plurality of temporary disc management areas (TDMAs) on at least one recording layer, wherein each TDMA is for storing disc management information including a plurality of temporary disc management structures (TDMSs), each TDMS includes a temporary disc definition structure (TDDS), defect management information, and recording management information for enabling and controlling a recording mode on the recording medium, the method comprising: (a) when the recording medium is not closed, searching for a readable TDMS which is a TDMS included in an in-use TDMA of the TDMAs and is readable; (b) determining whether a piece of information associated with an inconsistency flag of the readable TDMS is reliable or not; (c) if the piece of information associated with the inconsistency flag is unreliable, determining at least a detection condition according to the information which is included in the readable TDMS and the in-use TDMA; (d) performing a detection procedure, constrained by the at least the detection condition, on the recording medium for determining an update on the piece of information associated with the inconsistency flag; (e) generating an update TDMS according to the readable TDMS and the update on the piece of information associated with the inconsistency flag.