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Recording medium, recording device, reproduction device, recording method and reproduction method

DC
  • US 7,277,371 B2
  • Filed: 03/11/2004
  • Issued: 10/02/2007
  • Est. Priority Date: 03/12/2003
  • Status: Expired due to Fees
First Claim
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1. A recording medium provided with a write-once recording area allowing data to be written therein only once and comprising:

  • an ordinary recording/reproduction area which data is recorded into and reproduced from;

    an alternate area used for storing data in an alternate-address process for a defect existing in said ordinary recording/reproduction area and a data renewal;

    a first alternate-address management information area for recording alternate-address management information for managing said alternate-address process using said alternate area; and

    a second alternate-address management information area for recording said alternate-address management information as data that can be updated,wherein said alternate-address management information recorded in said second alternate-address management information area includes information of a first information format, which shows an alternate source address and an alternate destination address for every data unit, and information of a second information format, which shows an alternate source address and an alternate destination address for a collection of a plurality of physically continuous data units.

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