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:
Nov. 23, 2010
Filed:
Aug. 30, 2006
Applicants:
Yoshitaka Sato, Yokohama, JP;
Kei Takeda, Kawasaki, JP;
Takaaki Yayoi, Yokohama, JP;
Inventors:
Assignee:
Hitachi, Ltd., Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
G06K 7/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
An 'inter-reader rule extracting portion' is provided to extract rules existing among the sets of ID acquired by the respective readers. In addition, the state in which a predetermined number of rules are invalid is defined as the time to change the service, and at the time of changing the service, the latest rules produced by an 'inter-reader rule re-constructing portion' that reconstructs rules are used to monitor a system.