Invention Grant
US08154967B2 Optical recording medium, recording/reproduction apparatus, recording method, and recording/reproduction method with adjustment data for multiple layers 失效
光记录介质,记录/再现装置,记录方法和具有多层调整数据的记录/再现方法

  • Patent Title: Optical recording medium, recording/reproduction apparatus, recording method, and recording/reproduction method with adjustment data for multiple layers
  • Patent Title (中): 光记录介质,记录/再现装置,记录方法和具有多层调整数据的记录/再现方法
  • Application No.: US11522459
    Application Date: 2006-09-18
  • Publication No.: US08154967B2
    Publication Date: 2012-04-10
  • Inventor: Shoei Kobayashi
  • Applicant: Shoei Kobayashi
  • Applicant Address: JP Tokyo
  • Assignee: Sony Corporation
  • Current Assignee: Sony Corporation
  • Current Assignee Address: JP Tokyo
  • Agency: Oblon, Spivak, McClelland, Maier & Neustadt, L.L.P.
  • Priority: JP2005-281438 20050928
  • Main IPC: G11B7/00
  • IPC: G11B7/00
Optical recording medium, recording/reproduction apparatus, recording method, and recording/reproduction method with adjustment data for multiple layers
Abstract:
An optical recording medium provided with one or a plurality of recording layers includes an adjustment data recording area for recording therein adjustment data used for adjusting focus or spherical aberration of laser light used for recording/reproduction, the adjustment data recording area being disposed at a predetermined position on each of the one or plurality of recording layers, and a determination information recording area for recording therein determination information indicating whether or not the adjustment data has been recorded in the adjustment data recording area in each of the one or plurality of recording layers.
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