File downloading method for computer embarked on motor vehicle, involves training communication identification unit by computer, and downloading file by successive frames following downloading progression of computer

摘要

The method involves connecting computers with a communication network and a power supply network to simultaneously receive files. Reference numbers of the computers are read using a reading unit. A communication identification unit is provided to each computer by a downloading tool, where the communication identification unit is associated with the reference numbers and trained by the computer. The file is downloaded by successive frames following downloading progression of the computer. An independent claim is also included for a system for downloading a file in a computer.