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:
Apr. 30, 2013
Filed:
Feb. 08, 2008
Applicant:
Junji Sakai, Tokyo, JP;
Inventor:
Junji Sakai, Tokyo, JP;
Assignee:
NEC Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G06F 21/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
Provided is the access control system for controlling an access on a task basis without modifying a device side to be accessed and without applying a task ID at each access to a device. The access filter system for controlling an access between devices mounted on an electronic device, which comprises the access control unit for applying a unique device key set for each device as a right to access the device on a basis of a task operable on the electronic device and determining whether to allow an access to the device according to whether an access request task which requests an access to the device has the device key.