Patent ID: 7609604
Filing Date: 2009-10-27
Classification: G11B

Abstract:
1. A recording medium including recorded data, comprising: a control data area including pits formed along tracks, with data recorded therein, wherein pits in some portions of the tracks are formed as wobbled pits, pits in other portions of the tracks of the control data area are formed as straight pits, and the wobbled pits are formed intermittently and alternately with the straight pits within the control data area, wherein control information is encoded along the wobbled pits in such a way that data bit “0” and “1” comprising the control information are represented by a transition within a predetermined period of the wobbled pits and each data bit is distinguished from each other by the transition direction within the predetermined period, and wherein the control data area includes a plurality of data units, and the wobbled pits are formed in at least one data unit preceded by the straight pits or followed by the straight pits.