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Method and apparatus for management of information where sub directory information in a directory identifies the relative recording location of the sub directory

  • US 6,122,646 A
  • Filed: 07/31/1995
  • Issued: 09/19/2000
  • Est. Priority Date: 10/18/1993
  • Status: Expired due to Term
First Claim
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1. An information management method for managing information recorded on a recording medium, comprising the steps of:

  • managing a first area on the recording medium where data of file are recorded, wherein management of the first area is carried out in first allocation units by using first management information;

    managing a second area on the recording medium, which is distinguished from the first area, wherein management of the second area is carried out in second allocation units each independent of the first allocation units by using second management information; and

    wherein sub directory information in a directory constituted with at least one of the second allocation units within the second area information includes information indicating location in the second area of the second allocation unit constituting that directory.

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