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. 07, 1997
Filed:
Sep. 29, 1993
Kabushiki Kaisha Tishiba, Kawasaki, JP;
Abstract
Unique data block identifiers are assigned to the entire data block group of plural external memory devices. The file management information stores, in a table format, the unique data block identifiers in connection with a file held in the data block group. When a file management process is executed in accordance with the operation type (access, addition, registration, deletion) of file management, the file management information is referred to. Furthermore, a data block group management process is called and the operation is performed. When a data block shift process is executed, the data block group management process is called and the contents of the data block are shifted between external memory device based on the file management information. When the file management process or the data block shift process is executed, data stored in the file management information is rewritten on an as-needed basis.