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. 27, 2010
Filed:
Mar. 31, 2008
Applicants:
Koji Ara, Cambridge, MA (US);
Norihiko Moriwaki, Hachioji, JP;
Kazuo Yano, Hino, JP;
Inventors:
Assignee:
Hitachi, Ltd., Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
G06F 19/00 (2006.01); G08B 23/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
A sensor net system including: a sensor node which includes: a sensor which obtains sensor data of a worker; a radio frequency circuit which notifies a server of the sensor data; and a server which includes: a relation list for correlating the sensor data with work status of the worker; a unit for confirming the work status of the worker based on the obtained sensor data by using the relation list; a unit for displaying the confirmed work status on a display unit connected to the server.