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公开(公告)号:US20170118585A1
公开(公告)日:2017-04-27
申请号:US15317344
申请日:2015-05-20
Inventor: Naohiro FUKUDA , Kenji YASU , Yoichi MASUDA
CPC classification number: H04W4/80 , G06F3/023 , G06F3/147 , G06F21/44 , G08C2201/20 , G09G2370/16 , G09G2370/22 , H04L29/08 , H04Q9/00 , H04W76/11
Abstract: In a communication system including: a control apparatus which controls pairing for communication according kinds of pairing methods; and devices each of which performs pairing for communication according to one or more predetermined kinds of pairing methods, and performs encryption communication with the control apparatus by pairing with the control apparatus, wherein the control apparatus includes: a kind obtaining unit which obtains, from each device, the predetermined kinds of pairing methods for the device; a combination determining unit which determines, for each device, a combination of a same kind of pairing methods included in both the plurality of kinds of pairing methods for the control apparatus and the predetermined kinds of pairing methods obtained by the kind obtaining unit; and a display unit which displays, to a user, the combination of the same kind of pairing methods determined by the combination determining unit according to a predetermined condition.
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公开(公告)号:US20210392000A1
公开(公告)日:2021-12-16
申请号:US17270378
申请日:2019-05-10
Inventor: Tomoki TAKAZOE , Yoichi MASUDA , Kenji YASU , Yuji UNAGAMI
Abstract: A GM acquires a first certificate revocation list designating revoked public key certificates and distributed from a certificate authority server. The GM generates a second certificate revocation list produced by extracting information on a plurality of home electric appliances from the first certificate revocation list. The GM restricts communication with a device for which the public key certificate is revoked, by distributing the second certificate revocation list generated to the plurality of home electric appliances.
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公开(公告)号:US20200064816A1
公开(公告)日:2020-02-27
申请号:US16489225
申请日:2018-02-19
Inventor: Kenji YASU , Yoichi MASUDA
Abstract: A control device is a control device in a control system in which the control device connected via a network to a server in which an appliance and a user's smartphone assigned to control the appliance are stored in association with each other receives an instruction from the user's smartphone and controls an operating condition of an appliance. The control device determines whether a signal received from a different terminal satisfies a predetermined criterion. If the control device determines that the signal satisfies the predetermined criterion, the control device cuts off all communications via the network.
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