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.

Date of Patent:
Oct. 23, 2018

Filed:

Aug. 24, 2016
Applicant:

Yokogawa Electric Corporation, Tokyo, JP;

Inventors:

Kenichi Takeda, Tokyo, JP;

Naoyuki Fujimoto, Tokyo, JP;

Masato Yamaji, Tokyo, JP;

Haruka Yamada, Tokyo, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04B 7/14 (2006.01); H04J 1/10 (2006.01); H04J 3/08 (2006.01); H04W 40/22 (2009.01); G05B 19/4063 (2006.01); G05B 19/418 (2006.01); H04L 29/06 (2006.01); H04W 12/02 (2009.01); H04W 12/12 (2009.01); H04L 29/08 (2006.01); H04L 1/00 (2006.01); H04L 1/24 (2006.01); H04W 12/04 (2009.01); H04W 4/70 (2018.01); H04W 4/00 (2018.01); H04L 12/801 (2013.01); H04W 88/12 (2009.01); H04W 88/16 (2009.01);
U.S. Cl.
CPC ...
H04W 40/22 (2013.01); G05B 19/4063 (2013.01); G05B 19/4185 (2013.01); H04L 1/0016 (2013.01); H04L 1/245 (2013.01); H04L 63/0464 (2013.01); H04L 67/12 (2013.01); H04W 12/02 (2013.01); H04W 12/04 (2013.01); H04W 12/12 (2013.01); G05B 2219/31093 (2013.01); H04L 47/29 (2013.01); H04L 63/14 (2013.01); H04L 63/1408 (2013.01); H04W 4/005 (2013.01); H04W 4/70 (2018.02); H04W 88/12 (2013.01); H04W 88/16 (2013.01);
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.


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