A vehicle-mounted power supply system, a relay box, and a relay control apparatus that, when carrying out an updating process for a vehicle-mounted device, can suppress operations of vehicle-mounted devices not subject to the updating process. The system includes: a vehicle-mounted updating apparatus that carries out a process of updating a program or data stored in a storage unit of a vehicle-mounted device; one or more of a first type of relay disposed in a power supply path from a power supply source to a vehicle-mounted device not subject to the updating process; one or more of a second type of relay disposed in a power supply path from the power supply source to one or more vehicle-mounted devices that can be subject to the updating process; and a relay control apparatus that controls switching of the first type of relay and the second type of relay on/off.
VEHICLE-MOUNTED POWER SUPPLY SYSTEM, RELAY BOX, AND RELAY CONTROL APPARATUS
2019-05-16
Patent
Elektronische Ressource
Englisch
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