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. 16, 2014
Filed:
Nov. 16, 2011
Atsushi Uchida, Kawasaki, JP;
Terumasa Haneda, Kawasaki, JP;
Yoko Kawano, Kawasaki, JP;
Emi Cho, Kawasaki, JP;
Atsushi Uchida, Kawasaki, JP;
Terumasa Haneda, Kawasaki, JP;
Yoko Kawano, Kawasaki, JP;
Emi Cho, Kawasaki, JP;
Fujitsu Limited, Kawasaki, JP;
Abstract
An access control apparatus for controlling an access to a storage device, the access control apparatus includes a measuring unit configured to measure the time to erase data stored in the storage device, and a determination unit configured to determine a data size of an error correcting code added to data stored in the storage device in accordance with the time measured by the measuring unit. The access control apparatus includes a generation unit configured to generate the error correcting code having the data size determined by the determination unit, and an access controller configured to write the data and the error correcting code generated by the generation unit into the storage device.