Method and apparatus for recording and/or reproducing data and record medium

摘要

A method of recording and/or reproducing data to and/or from a recording medium is provided. A user identification data read from a recording medium having recorded therein main data to be recorded and/or reproduced and the user identification data is compared with a one read from a data recorder/player for recording or reproducing the main data, and the main data are recorded to or reproduced from the recording medium when the user identification data read from the recording medium is coincident with that read from the data recorder/player.