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    • 19. 发明公开
    • DEVICE FOR EMBEDDING INFORMATION IN DATA
    • EINRICHTUNG ZUM EINBETTEN VON INFORMATIONEN IN DATEN
    • EP2006853A4
    • 2009-04-08
    • EP07738131
    • 2007-03-09
    • IBM
    • TOHJI SATOSHIKOBAYASHI NORIKAZU
    • G11B20/10G06F3/06G06F21/24G06T1/00G11B20/00G11B27/32H04L27/156H04L27/20H04N1/32
    • G11B20/00086G06F21/10G06F21/85G06F2221/0737G06F2221/074G11B2220/956
    • [PROBLEMS] In the case of recording data, information is to be embedded with a memory region effectively used. [MEANS FOR SOLVING THE PROBLEMS] A controller (30) in a tape drive is comprised of a memory unit (31) for storing information desired to embed, an acquiring unit (32) for acquiring the information stored in the memory unit (31), a writing-in unit (33) for writing a CQ set determined by the acquired information at the number of repetitions determined by the information, a reading-out unit (34) for reading out data in which information is embedded, and a specifying unit (35) for specifying information embedded in the read out data, comparing the information with that stored in the memory unit (31), and determining whether the read out data can be used or not, etc.
    • [问题]在记录数据的情况下,信息将嵌入有效使用的存储区域。 用于解决问题的手段带驱动器中的控制器(30)包括用于存储想要嵌入的信息的存储单元(31),用于获取存储在存储单元(31)中的信息的获取单元(32) ,写入单元(33),用于写入由所获取的信息确定的CQ集,其中信息确定的重复次数,读出单元(34),用于读出其中嵌入了信息的数据,以及指定 单元(35),用于指定嵌入读出数据中的信息,将该信息与存储在存储单元(31)中的信息进行比较,并确定读出的数据是否可以使用等等