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Disk-shaped recording medium and disk recording or reproducing device

  • US 5,953,297 A
  • Filed: 10/22/1998
  • Issued: 09/14/1999
  • Est. Priority Date: 06/26/1995
  • Status: Expired due to Term
First Claim
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1. A method of recording a disk-shaped recording medium having a groove section whose side-walls wobble or deviate in radial directions of the medium for prerecording first address information corresponding to each block area provided in the groove section, the recording method comprising the steps of:

  • (1) generating a plurality of pieces of second address information in accordance with the first address information reproduced from the disk-shaped recording medium, each piece of the second address information representing a sector which is a smaller recording and reproduction unit than the block area; and

    (2) recording, into the block area corresponding to the first address information as the sector, data including a piece of the second address information generated in step (1) and recording data which is divided at a predetermined length.

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