Patent ID: 7899304
Filing Date: 2011-03-01
Classification: G11B,H04N

Abstract:
1. A method of recording a thumbnail picture onto a recording medium, the method comprising: (a) recording onto the recording medium a plurality of thumbnails in a thumbnail file, each of the plurality of thumbnails being associated with a corresponding one of a plurality of still pictures that are recorded in another file separately from the thumbnail file; and (b) writing an index file for each of the plurality of thumbnails and an information file for the plurality of still pictures, the index file and the information file being separated from the thumbnail file and the another file, the index file including index information for pointing to a corresponding one of the plurality of thumbnails and size information about a size of the corresponding thumbnail, the information file including the index information for pointing to a corresponding one of the plurality of thumbnails and an identifier to indicate a still picture group to which the still picture associated with the corresponding thumbnail belongs, wherein the thumbnail file corresponds to one of a mark file and menu file defined in a file system of a digital video recorder and used by the digital video recorder in recording and reproducing motion picture data.