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Patent Searching and Data


Title:
IN-VEHICLE COMMUNICATION DEVICE, IN-VEHICLE COMMUNICATION SYSTEM AND IN-VEHICLE COMMUNICATION METHOD
Document Type and Number:
WIPO Patent Application WO/2019/078137
Kind Code:
A1
Abstract:
The present invention provides an in-vehicle communication device, an in-vehicle communication system and an in-vehicle communication method which make it possible to detect a high-risk message transmitted into the in-vehicle communication system by a simple configuration. This in-vehicle communication device is provided with a communication unit bus-connected to an in-vehicle communication bus, and is provided with a communication control unit that controls transmission and reception of messages including object messages to be counted by the communication unit, and causes a specified message including authentication information to be intermittently transmitted from the communication unit, wherein the communication control unit includes, in the specified message to be transmitted at a first time point, the number of times of transmission of the object messages transmitted between the transmission of the most recent specified message transmitted before the first time point and the first time point.

Inventors:
TAKADA, Hiroaki (1 Furo-cho, Chikusa-ku, Nagoya-sh, Aichi 01, 〒4648601, JP)
KURACHI, Ryo (1 Furo-cho, Chikusa-ku, Nagoya-sh, Aichi 01, 〒4648601, JP)
UEDA, Hiroshi (1-14, Nishisuehirocho, Yokkaichi-sh, Mie 03, 〒5108503, JP)
Application Number:
JP2018/038254
Publication Date:
April 25, 2019
Filing Date:
October 15, 2018
Export Citation:
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Assignee:
NATIONAL UNIVERSITY CORPORATION NAGOYA UNIVERSITY (1 Furo-cho, Chikusa-ku Nagoya-sh, Aichi 01, 〒4648601, JP)
AUTONETWORKS TECHNOLOGIES, LTD. (1-14, Nishisuehirocho Yokkaichi-sh, Mie 03, 〒5108503, JP)
SUMITOMO WIRING SYSTEMS, LTD. (1-14, Nishisuehirocho Yokkaichi-sh, Mie 03, 〒5108503, JP)
SUMITOMO ELECTRIC INDUSTRIES, LTD. (5-33, Kitahama 4-chome Chuo-ku, Osaka-sh, Osaka 41, 〒5410041, JP)
International Classes:
H04L9/36; B60R16/023; H04L9/32; H04L12/28
Foreign References:
JP2017028410A2017-02-02
JP2012249107A2012-12-13
Attorney, Agent or Firm:
KOHNO, Hideto et al. (KOHNO & KOHNO, 4-3 Tsuriganecho 2-chome, Chuo-ku, Osaka-sh, Osaka 35, 〒5400035, JP)
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