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. 14, 2010
Filed:
Feb. 19, 2004
Yoshihiko Takagi, Tokyo, JP;
Takafumi Kikuchi, Tokyo, JP;
Yoshihiko Takagi, Tokyo, JP;
Takafumi Kikuchi, Tokyo, JP;
Panasonic Corporation, Osaka, JP;
Abstract
The present invention provides a memory device that can safely hold much data necessary for using an Application (AP) therein. In the present invention, a memory device includes a first tamper resistant memorythat cannot be accessed directly by an electronic device and a second non-tamper resistant memory that cannot be directly accessed by the electronic device. The second memory is used to save data stored in the first memoryto. In this memory device, since data necessary for using many APs can be safely held in the device, any terminal device satisfying authorizing conditions can use the data held therein.