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:
Sep. 18, 2012
Filed:
Aug. 31, 2007
Shunji Okada, Kanagawa, JP;
Ryogo Ito, Tokyo, JP;
Shunji Okada, Kanagawa, JP;
Ryogo Ito, Tokyo, JP;
Sony Corporation, , JP;
Abstract
An information processing apparatus for recording data in a file by first unit on a recording medium in accordance with a predetermined file system, which may include a recording control unit performing a recording control operation to record a predetermined file on the recording medium, the recording control operation including data recording control for recording successively the data on the recording medium by first unit and management information updating control for updating management information of the predetermined file system on the recording medium, a generating unit successively generating difference information of the management information by second unit during the recording control operation of the recording control unit, the second unit being an integer multiple of the least common multiple of the first unit and a minimum unit of the predetermined file system, and a backup storage unit storing as backup information the difference information generated by the generating unit.