Patent ID: 7646690
Filing Date: 2010-01-12
Classification: G11B

Abstract:
1. A method of discriminating a type of optical disk usable with an optical disk player, the optical disk having a burst cuffing area (BCA) code area in which a BCA code is written, the method comprising: reading the BCA code provided in the BCA code area, the BCA code including a BCA pre-amble, predetermined information, a disk code and a BCA post-amble; extracting the disk code contained in the read BCA code; and determining the type of the optical disk by comparing the extracted disk code with information having disk codes corresponding to a plurality of different types of optical disks previously stored in the optical disk player, wherein the BCA code includes an error correction code to correct an error in the predetermined information and the disk code, and wherein the disk code comprises disk type information that indicates a type of the optical disk.