The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Apr. 09, 2013
Filed:
Aug. 31, 2006
Fumitaka Kawate, Kanagawa, JP;
Mitsuhiro Hirabayashi, Tokyo, JP;
Hiroshi Jinno, Kanagawa, JP;
Masayoshi Ohno, Tokyo, JP;
Hideo Obata, Kanagawa, JP;
Shigeru Kashiwagi, Tokyo, JP;
Fumitaka Kawate, Kanagawa, JP;
Mitsuhiro Hirabayashi, Tokyo, JP;
Hiroshi Jinno, Kanagawa, JP;
Masayoshi Ohno, Tokyo, JP;
Hideo Obata, Kanagawa, JP;
Shigeru Kashiwagi, Tokyo, JP;
Sony Corporation, , JP;
Abstract
Update processing and the like of an index file relating to change of a hierarchical structure is performed. The index file is recorded in a recording medium with content files. The index file is generated based on attribute information of content files and folders including the content files. Content files and folders form a hierarchical structure in which the folders are in an upper hierarchy. In the index file, a prescribed number of entries (management information areas) corresponding to content files and folders, respectively, are provided. Second index information indicating second entries corresponding to folders or content files positioned in a lower hierarchy of folders in the upper hierarchy is provided at first entries corresponding to folders in the upper hierarchy in a list format. First index information indicating the first entries is provided at the second entries.