Patent ID: 8707055

Claim:
A non-transitory recording medium including control information required for recording or reproducing data on or from the recording medium and copy protection information, the copy protection information being key information for use in generating and/or processing copy-protected data, wherein the control information and the copy protection information are recorded separately, the copy protection information is repeated in data units including at least a first data unit and a second data unit, a format of the first data unit including the copy protection information is different from a format of the second data unit including the copy protection information, and at least one of the copy protection information of the first data unit and the copy protection information of the second data unit is formed as a wobbled pattern, wherein the first data unit is different from the second data unit with respect to a modulation method, wherein key information of the copy protection information in the first data unit is the same as key information of the copy protection information in the second data unit.