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:
Mar. 06, 2012

Filed:

Sep. 13, 2006
Applicants:

Mao Asai, Kawasaki, JP;

Makoto Hamatsu, Yokohama, JP;

Tomoyuki Tamachika, Yokosuka, JP;

Hirohito Taniguchi, Settsu, JP;

Inventors:

Mao Asai, Kawasaki, JP;

Makoto Hamatsu, Yokohama, JP;

Tomoyuki Tamachika, Yokosuka, JP;

Hirohito Taniguchi, Settsu, JP;

Assignee:

NTT DoCoMo, Inc., Tokyo, JP;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G06F 21/00 (2006.01);
U.S. Cl.
CPC ...
Abstract

An objective is to prevent a downloaded application from accessing data in an external memory unrelated to the application, and to achieve safer management of access to the external memory. An external memory function moduleis a function module that controls access of an application downloaded in a cell phone, to an external memory. This external memory function modulehas a bind ID acquirerfor acquiring a bind ID to specify the application downloaded, a discrimination ID acquirerfor acquiring a directory discrimination ID to specify an application permitted to access a directory, and an access controllerfor checking the bind ID against the directory discrimination ID and for, when they coincide with each other, performing such control as to permit access of the application to the directory.


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