公开(公告)号：US10111153B2

公开(公告)日：2018-10-23

申请号：US15245252

申请日：2016-08-24

Applicant: YOKOGAWA ELECTRIC CORPORATION

Inventor： Kenichi Takeda ,  Naoyuki Fujimoto ,  Masato Yamaji ,  Haruka Yamada

IPC: H04B7/14 ,  H04J1/10 ,  H04J3/08 ,  H04W40/22 ,  G05B19/4063 ,  G05B19/418 ,  H04L29/06 ,  H04W12/02 ,  H04W12/12 ,  H04L29/08 ,  H04L1/00 ,  H04L1/24 ,  H04W12/04 ,  H04W4/70 ,  H04W4/00 ,  H04L12/801 ,  H04W88/12 ,  H04W88/16

Abstract: A wireless relay device that performs relay of encrypted data over a wireless network, the wireless relay device, includes: a determiner that determines whether or not there is an abnormality using first data which is transmitted to its own device from wireless devices belonging to a preset section among wireless devices joining the wireless network; a transmission controller that transmits second data indicating a result of the determination of the determiner to a preset transmission destination; and an encryption processor that decrypts the first data and encrypts the second data transmitted by the transmission controller.

公开(公告)号：US20150282054A1

公开(公告)日：2015-10-01

申请号：US14437248

申请日：2013-10-07

Applicant: Yokogawa Electric Corporation

Inventor： Naoyuki Fujimoto ,  Masato Yamaji

IPC: H04W48/16 ,  H04W72/04 ,  H04W48/18

CPC classification number: H04W48/16 ,  H04W48/18 ,  H04W52/0206 ,  H04W72/0446 ,  Y02D70/00

Abstract: A wireless communication system includes a wireless device configured to make a request to join a wireless network in a case that a first estimated joining time is reached, the first estimated joining time being a time to join the wireless network. In addition, the wireless communication system includes a management device configured to cause the wireless device that made a joining request to join the wireless network, and cause the wireless device to leave the wireless network, the leave of the wireless device being caused in a case that a wireless communication by the wireless device via the wireless network is completed.

Abstract translation: 无线通信系统包括被配置为在达到第一估计加入时间的情况下进行加入无线网络的请求的无线设备，第一估计加入时间是加入无线网络的时间。 另外，无线通信系统包括：管理装置，被配置为使加入请求的无线装置加入无线网络，并使无线装置离开无线网络，在无线装置的离开的情况下， 完成无线设备经由无线网络的无线通信。