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:
Jul. 08, 2014
Filed:
Dec. 10, 2009
Yousuke Ishii, Musashino, JP;
Shuuji Yamamoto, Musashino, JP;
Yousuke Ishii, Musashino, JP;
Shuuji Yamamoto, Musashino, JP;
Yokogawa Electric Corporation, Tokyo, JP;
Abstract
An object of the invention is to improve the reliability of a wireless control network management system. Gateway devices for relaying data communication between a monitoring/controlling host connected thereto via a wired network and a plurality of wireless nodes connected thereto via wireless circuit and constituting a wireless network, wherein the gateway device comprises wireless communication means for sending data from the host to at least any one of the wireless nodes, and redirect means for causing the wireless communication means to send the data to one of the wireless nodes and to transfer the data to the other gateway device connected to the wired network.