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    • 2. 发明授权
    • 기록매체의 기록 및/또는 재생장치와 기록 및/또는 재생방법
    • 技术与创新
    • KR100909613B1
    • 2009-07-27
    • KR1020037006922
    • 2002-09-27
    • 소니 주식회사
    • 사코요이치로사토다카시이하시다카오
    • G11B20/10
    • G11B20/0021G11B20/00086G11B20/00115G11B20/00724G11B20/0084G11B20/00855G11B20/10
    • A method for reproducing a recording medium comprising reading out identification data from a recording medium having recorded thereon data and the identification data, which identification data includes entity identification data and detection data. The detection data is generated using at least the entity identification data and indicates whether or not the entity identification data at least is authentic data. The identification recorded on the recording medium is read out, detection data is generated based on the entity identification data of the identification data as read out and the detection data extracted from the read-out identification data is compared to the generated detection data. When, as a result of comparison, the detection data extracted from the read-out identification data is coincident with the generated detection data, the outputting of the data read out from the recording medium is permitted.
    • 一种用于再现记录介质的方法,包括从其上记录有数据和识别数据的记录介质读出识别数据,该识别数据包括实体识别数据和检测数据。 检测数据至少使用实体识别数据来生成,并指示实体识别数据是否至少是可靠数据。 读出记录在记录介质上的标识,基于读出的标识数据的实体标识数据生成检测数据,并将从读出的标识数据提取的检测数据与所生成的检测数据进行比较。 作为比较结果,当从读出的识别数据提取的检测数据与产生的检测数据一致时,允许输出从记录介质读出的数据。