Patent ID: 7711759
Filing Date: 2010-05-04
Classification: G11B,H04N

Abstract:
1. A method of reproducing data recorded on an optical disc, the method comprising: reading an original file system recorded on the optical disc, the original file system including a normal file having actual data recorded on the optical disc and a remote files designating an additional data files downloadable from an external source, the remote file accessible after downloading the additional data from an external source; distinguishing the normal file and the remote file based on attribute information of the normal file and the remote file; reading a download list of the remote file recorded on the optical disc, the download list identifying an additional data files required to be downloaded from the external source; downloading the additional data file from the external source based on the download list; creating download status information indicating whether the additional data file has been completely downloaded; downloading at least one new data file from the external source, each new data file being unidentified by the download list; and creating a virtual File system based on the original file system and file information of the at least one new data file, the virtual file system including the at least one new data file downloaded from the external source, wherein the created virtual file system is used to reproduce data recorded on the optical disc and data downloaded from the external source.