Optical disc, playback apparatus for optical disc, and apparatus and method for manufacturing optical disc
    8.
    发明授权
    Optical disc, playback apparatus for optical disc, and apparatus and method for manufacturing optical disc 有权
    光盘,光盘播放装置以及光盘制造装置及方法

    公开(公告)号:US08243567B2

    公开(公告)日:2012-08-14

    申请号:US12810911

    申请日:2009-09-07

    IPC分类号: G11B5/09

    摘要: Provided is an optical disc having main information to be decrypted using sub information recorded thereon by arranging concave or convex recording marks in a spiral track wherein a reflective film is formed on the recording marks. First sub information is recorded and superimposed on the main information by shifting/deforming the recording marks or altering a pattern of the recording marks. Second sub information is recorded and superimposed on the main information by changing a reflectivity of the reflective film. The first and second sub information are recorded in an area from which the first and second sub information are to be read simultaneously. The second sub information is recorded in a manner to be associated with the first sub information. The first and second sub information are associated with each other and are recorded in the same area.

    摘要翻译: 提供了一种光盘,其具有使用其上记录的子信息进行解密的主信息,其中在记录标记上形成反射膜的螺旋形轨道中设置凹凸记录标记。 通过移动/变形记录标记或改变记录标记的图案,将第一子信息记录并叠加在主信息上。 通过改变反射膜的反射率将第二子信息记录并叠加在主信息上。 第一和第二子信息被记录在同时要从其读取第一和第二子信息的区域中。 以与第一子信息相关联的方式记录第二子信息。 第一和第二子信息彼此相关联并被记录在相同的区域中。

    INFORMATION RECORDING DEVICE, INFORMATION REPRODUCING DEVICE, AND INFORMATION RECORDING MEDIUM
    10.
    发明申请
    INFORMATION RECORDING DEVICE, INFORMATION REPRODUCING DEVICE, AND INFORMATION RECORDING MEDIUM 有权
    信息记录装置,信息再现装置和信息记录介质

    公开(公告)号:US20110004891A1

    公开(公告)日:2011-01-06

    申请号:US12921976

    申请日:2009-12-10

    IPC分类号: G11B7/24

    摘要: The invention provides an information recording device, an information reproducing device, and an information recording medium capable of securely protecting copyright of main information, and preventing illegal access to the recorded main information. The information recording device (3) is provided with a medium unique information generating section (9) that generates second sub information by data-converting stamper unique information based on disc identification information that differs for each optical disc after transferring main information and first sub information from a stamper (1′) having the main information and the first sub information recorded therein onto an optical disc (1), and a medium unique information recording section (10) that records the second sub information in the optical disc (1) having recorded therein in advance the main information and the first sub information in a form different from the forms of the main information and the first sub information.

    摘要翻译: 本发明提供一种信息记录装置,信息再现装置和信息记录介质,能够安全地保护主要信息的版权,并防止非法访问所记录的主要信息。 信息记录装置(3)设置有媒体唯一信息生成部(9),其通过基于在传送主信息和第一子信息之后的每个光盘不同的盘识别信息通过数据转换压模唯一信息来生成第二子信息 从具有主信息和其中记录的第一子信息的压模(1')到光盘(1)上,以及介质唯一信息记录部分(10),其将第二子信息记录在光盘(1)中, 以与主信息和第一子信息的形式不同的形式事先记录主信息和第一子信息。