Patent ID: 6804666
Filing Date: 2004-10-12
Classification: G06F,G11B,Y10S

Abstract:
An information processor comprising:a first recording means for recording a predetermined number of types of data related to a first content as a first main data group, and the first recording means recording a predetermined number of types of data related to a second content as a second main data group; a second recording means for recording data of types related to the first content but not in the first main data group as a sub data group, and the second recording means recording data of types related to the second content but not in the second main data group as the sub data group; means for determining, when reading data about a content, whether a type of data to be read is that of data recorded in either the main data group or the sub data group; and means for searching for data from a plurality of main data groups or sub data groups based on the result of the data type determination.