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.:

US 7797490 B1

PDF
Full Text
Expired
Date of Patent:
Sep. 14, 2010

Filed:

Apr. 10, 2008
Applicant:

Takaya Suda, Ome, JP;

Inventor:

Takaya Suda, Ome, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G06F 12/00 (2006.01); G06K 19/067 (2006.01);
U.S. Cl.
CPC ...
Abstract

A system for authenticating a memory card including: a memory card host device including a plural area authentication module which judges whether the memory card has plural storage areas, and an area switching module which switches a storage area subject to access a different storage area from among plural storage areas; a memory card including plural storage areas, at least one internal register which retains a value indicating the number of storage areas, and a controller which transmits the value indicating the number of the storage areas to the memory card host device; and a bus which transmits and receives data between the memory card host device and the memory card.


Find Patent Forward Citations

Suda, Takaya. (2010). Memory card authentication system, memory card host device, memory card, storage area switching method, and storage area switching program (U.S. Patent No. 7797490). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/7797490

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