Invention Grant
US08675466B2 Optical disc with pre-recorded and recordable regions and methods of forming the disc 有权
具有预记录和可记录区域的光盘以及形成盘的方法

  • Patent Title: Optical disc with pre-recorded and recordable regions and methods of forming the disc
  • Patent Title (中): 具有预记录和可记录区域的光盘以及形成盘的方法
  • Application No.: US12735780
    Application Date: 2009-02-19
  • Publication No.: US08675466B2
    Publication Date: 2014-03-18
  • Inventor: John Matthew TownAlan Bruce HamersleyHolger Hofmann
  • Applicant: John Matthew TownAlan Bruce HamersleyHolger Hofmann
  • Applicant Address: FR Boulogne-Billancourt
  • Assignee: Thomson Licensing
  • Current Assignee: Thomson Licensing
  • Current Assignee Address: FR Boulogne-Billancourt
  • Agent Robert D. Shedd; Robert B. Levy; Wan Yee Cheung
  • International Application: PCT/US2009/001036 WO 20090219
  • International Announcement: WO2009/105215 WO 20090827
  • Main IPC: G11B7/24
  • IPC: G11B7/24
Optical disc with pre-recorded and recordable regions and methods of forming the disc
Abstract:
An optical disc having a region with pre-recorded data and a recordable region, a method of fabricating the disc, a stamper for forming a disc master, and a recording device for use with the disc are disclosed. Data recorded in the recordable region may be used for activation of the disc, providing unique identification or enhancing program content on the disc.
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