| 摘要 |
PROBLEM TO BE SOLVED: To secure security of the recorded information concerning a recording medium such as BD-ROM containing data recorded in intermittent or alternate wobbled (or zigzag)pits, and concerning methods and apparatuses for forming, recording, and reproducing the data on the recording medium. SOLUTION: The recording medium comprises a control data area including: pits formed along tracks with data recorded therein, wherein the pits in some portions of the tracks are formed as wobbled pits and the pits in other portions of the tracks in the control data area are substantially formed as straight pits, and wherein the wobbled pits are formed intermittently or alternately with the straight pits within the control data area; and including a main data area including a main data which is formed along the tracks and recorded with modulation in straight pits, wherein the control data area includes one or more address units, the address unit comprising a plurality of frames, the wobbled pits, and straight pits being formed in unit of frame, and the address unit including at least one frame with the wobbled pits and at least one frame without the wobbled pits. COPYRIGHT: (C)2008,JPO&INPIT
|
