Invention Grant
US08014259B2 Multi layer optical disc and optical disc apparatus capable of coping with the multi layer optical disc 失效
能够应对多层光盘的多层光盘和光盘装置

  • Patent Title: Multi layer optical disc and optical disc apparatus capable of coping with the multi layer optical disc
  • Patent Title (中): 能够应对多层光盘的多层光盘和光盘装置
  • Application No.: US12071593
    Application Date: 2008-02-22
  • Publication No.: US08014259B2
    Publication Date: 2011-09-06
  • Inventor: Akio Fukushima
  • Applicant: Akio Fukushima
  • Applicant Address: JP Tokyo
  • Assignee: Hitachi, Ltd.
  • Current Assignee: Hitachi, Ltd.
  • Current Assignee Address: JP Tokyo
  • Agency: McDermott Will & Emery & LLP
  • Priority: JP2007-041671 20070222; JP2008-011060 20080122
  • Main IPC: G11B7/26
  • IPC: G11B7/26 G11B7/24
Multi layer optical disc and optical disc apparatus capable of coping with the multi layer optical disc
Abstract:
It is an object of the invention to provide a multi layer optical disc that can be used effectively and an optical disc apparatus that can cope with the multi layer optical disc. The object described above can be accomplished by providing redundancy to the number of layers of the multi layer optical disc. The object can also be accomplished by providing reproducing/recording unit of the multi layer optical disc to the optical disc apparatus.
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