Recording medium with copy protection information formed in intermittent or alternate wobbled pits and apparatus and methods for forming, recording, and reproducing the recording medium
AssigneeLG Electronics Inc.
InventorsSang Woon Suh, Jin Yong Kim
Life of this patent
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Abstract
A recording medium, such as a high-density and/or read-only recording medium, such as BD-ROM, which contains copy protection information encoded in intermittent or alternate wobbled pits, and to methods and apparatuses for forming, recording, and reproducing data on the recording medium.
Claims26
A recording medium including recorded data, comprising:
- pits formed along tracks, with data recorded therein, the data including copy protection information for encryption and/or decryption, wherein pits formed in some portions of the tracks are shifted from a track center to left and/or right to thereby form intermittent or alternate wobbled pits, wherein key information for encryption and/or decryption is encoded in a deviation shape of said pits shifted from the track center.
A method of forming a recording medium, comprising:
- forming pits formed along tracks, with data recorded therein, the data including copy protection information for encryption and/or decryption, wherein pits formed in some portions of the tracks are shifted from a track center to left and/or right to thereby form intermittent or alternate wobbled pits, wherein key information for encryption and/or decryption is encoded in a deviation shape of said pits shifted from the track center.
A method of reproducing data from a recording medium, comprising:
- utilizing data recorded in pits formed along tracks, the data including copy protection information for encryption and/or decryption, wherein pits formed in some portions of the tracks are shifted from a track center to left and/or right to thereby form intermittent or alternate wobbled pits, wherein key information for encryption and/or decryption is encoded in a deviation shape of said pits shifted from the track center.
A method of recording data on a recording medium, comprising:
- recording data in pits formed along tracks, the data including copy protection information for encryption and/or decryption, wherein pits formed in some portions of the tracks are shifted from a track center to left and/or right to thereby form intermittent or alternate wobbled pits, wherein key information for encryption and/or de-cryption is encoded in a deviation shape of said pits shifted from the track center.
An apparatus for reproducing data from a recording medium, said apparatus utilizing pits formed along tracks, with data recorded therein, the data including copy protection information for encryption and/or decryption, wherein pits formed in some portions of the tracks are shifted from a track center to left and/or right to thereby form intermittent or alternate wobbled pits, wherein key information for encryption and/or decryption is encoded in a deviation shape of said pits shifted from the track center.
Dependencies are inferred from the claim text.