Invention Grant
US07831880B2 Information recording medium, defect management method, information reading/writing device and information reading device 有权
信息记录介质,缺陷管理方法,信息读写装置和信息读取装置

  • Patent Title: Information recording medium, defect management method, information reading/writing device and information reading device
  • Patent Title (中): 信息记录介质,缺陷管理方法,信息读写装置和信息读取装置
  • Application No.: US11338626
    Application Date: 2006-01-25
  • Publication No.: US07831880B2
    Publication Date: 2010-11-09
  • Inventor: Minoru Akiyama
  • Applicant: Minoru Akiyama
  • Applicant Address: JP Tokyo
  • Assignee: NEC Corporation
  • Current Assignee: NEC Corporation
  • Current Assignee Address: JP Tokyo
  • Agency: Dickstein Shapiro LLP
  • Priority: JP2005-016343 20050125; JP2006-005082 20060112
  • Main IPC: H03M13/00
  • IPC: H03M13/00
Information recording medium, defect management method, information reading/writing device and information reading device
Abstract:
To specify defect management information to be used in a short time in an information recording medium having a defect information area capable of recording plural sets of defect management information and a selection information area capable of recording plural sets of selection information for selecting a set of defect management information from the defect information area. The selection information includes information about a position where the latest management information at the time of writing is written, and history information indicating that the selection information is updated.
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