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Title:
RELAY DEVICE SYSTEM
Document Type and Number:
WIPO Patent Application WO/2020/066789
Kind Code:
A1
Abstract:
This relay device system is mounted in a vehicle and is provided with: a wireless relay device that performs wireless communication with a communication device provided outside the vehicle; a plurality of wired relay devices that are annularly connected to the wireless relay device; and an on-board network that is annularly formed by a communication line connecting the wireless relay device and the plurality of wired relay devices. The plurality of wired relay devices include an ECU communication unit that communicably connects with an ECU for controlling a vehicle-mounted device mounted in the vehicle, and the wireless relay device and the plurality of wired relay devices communicate through two clockwise and counterclockwise paths in the on-board network.

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Inventors:
YASUNORI HIROMICHI (JP)
Application Number:
PCT/JP2019/036579
Publication Date:
April 02, 2020
Filing Date:
September 18, 2019
Export Citation:
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Assignee:
AUTONETWORKS TECHNOLOGIES LTD (JP)
SUMITOMO WIRING SYSTEMS (JP)
SUMITOMO ELECTRIC INDUSTRIES (JP)
International Classes:
H04L12/42; H04L12/437
Domestic Patent References:
WO2013061604A12013-05-02
Foreign References:
JP2015170984A2015-09-28
US20150138954A12015-05-21
Other References:
KAKO, YOSHIJI: "Shape of vehicle-mounted Ethernet considered by DENSO", NIKKEI ELECTRONICS, 20 March 2016 (2016-03-20), pages 93 - 100
TORISAKI, YUISHI: "Examination and proposal of security countermeasures for vehicle-mounted network with CAN-Ethernet", PREPRINTS OF SYMPOSIUM ON CRYPTOGRAPHY AND INFORMATION SECURITY (SCIS2018, 23 January 2018 (2018-01-23), pages 1 - 8
Attorney, Agent or Firm:
KOHNO, Hideto et al. (JP)
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