Patent attributes
An in-vehicle network system includes: an upper device; a first intermediate device that is connected to the upper device directly or via at least one device and is configured to communicate with the upper device using a first communication system; a second intermediate device that is connected to the upper device directly or via at least one device and is configured to communicate with the upper device using a second communication system; and a first lower device that is directly connected to the first intermediate device and is configured to communicate with the first intermediate device using the first communication system, and that is directly connected to the second intermediate device and is configured to communicate with the second intermediate device using the second communication system.
