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.

Date of Patent:
May. 05, 2015

Filed:

Mar. 20, 2012
Applicant:

Daisuke Taki, Yokohama, JP;

Inventor:

Daisuke Taki, Yokohama, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G06F 12/00 (2006.01); G06F 21/79 (2013.01); G11B 20/00 (2006.01);
U.S. Cl.
CPC ...
G06F 21/79 (2013.01); G11B 20/0021 (2013.01); G11B 20/00362 (2013.01); G11B 20/00731 (2013.01); G11B 2220/60 (2013.01);
Abstract

According to one embodiment, a memory device includes a semiconductor memory, a memory controller which controls the semiconductor memory according to a request from outside the device, a radio section for wireless communication, and a controller. The controller manages storing data in the device according to a procedure for protecting copyright, obtains the latest version of a parameter for protecting copyright which can be updated from outside the device via the radio section, includes a comparator which compares the parameter stored in the device with the latest version of the parameter, and includes an update manager which updates the stored parameter to the latest version of the parameter when they are different.


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