Cylindrical Storage Element Patents (Class 369/214)
  • Recording method, recording apparatus, and record medium for recording data corresponding to a hierarchial file system
    Patent number: 7054889
    Abstract: A method of recording data to a disc shaped record medium is provided where the data corresponds to a hierarchical file system. In the method, management information for managing the hierarchical structure of the file system is recorded to a predetermined area of the disc shaped record medium. An unused area of the predetermined area is treated as a file.
    Type: Grant
    Filed: February 27, 2001
    Date of Patent: May 30, 2006
    Assignee: Sony Corporation
    Inventors: Hirofumi Todo, Makoto Yamada