Patent ID: 11405233

Abstract:
A relay device system is a relay device system to be installed in a vehicle, the relay device system including a wireless relay device configured to wirelessly communicate with a communication device provided outside the vehicle, and a plurality of wired relay devices that are communicably connected to the wireless relay device, the plurality of wired relay devices each including a communication unit configured to communicably connect to an ECU for controlling an on-board device installed in the vehicle, the ECUs including an HMI-related ECU, a travel control-related ECU, and a self-driving-related ECU, the wired relay device that is connected to the HMI-related ECU and the wired relay device that is connected to the travel control-related ECU being arranged in a front portion of the vehicle, and the wired relay device that is connected to the self-driving-related ECU being arranged in a rear portion of the vehicle.