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:
Jan. 01, 2008
Filed:
Aug. 12, 2005
Toshifumi Nishiura, Tokyo, JP;
Toshifumi Nishiura, Tokyo, JP;
Sony Corporation, Tokyo, JP;
Abstract
Data with high confidentiality is stored safely in a memory card while maintaining the function of a FAT file system that an existing memory card has. In a data areaof a semiconductor memory, the FAT file system management areasto, a dedicated data areathat stores data of a dedicated file system different from the FAT file system and a dedicated file system management areathat indicates an access method to the dedicated data areaare provided; and the data reproduced based on information within the FAT file system management areastois made to be the data different from the data reproduced from the dedicated data areabased on the information within the dedicated file system management area