Yokogawa Electric Corporation

Shuuji Yamamoto

Kenji Fujino

Yousuke Ishii

Hisanori Hayashi

Tooru Katsurai

Ryoutatsu Iga

Gentarou Fukano

Harumi Wada

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.

Gateway devices and wireless control network management system using the same

An object of the present invention is to realize a camera system suitable for remote monitoring. The present invention is made by making improvements to a camera system that transmits camera image data to a network. The camera system includes a camera head including an image sensor and a sensor controller that controls the image sensor; a video signal processing means that performs video signal processing on image data from the image sensor; and a web server which transmits image data from the video signal processing means as the camera image data to the network, receives control data from the network, and controls at least the sensor controller or the video signal processing means.

Camera system for transferring both image data and an image processing program to transfer the image data to an external device

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Musashino, Japan

Shuuji Yamamoto