Patent ID: 6327263
Filing Date: 2001-12-04
Classification: B60R

Abstract:
An on-vehicle multiplex communication system for performing communication with a distributed process operation among a plurality of communication apparatus via a transmission path, said communication system comprising:one or more essential communication apparatus commonly mountable on a vehicle being produced according to different attribute conditions;one or more arbitral communication apparatus configured and separately provided to meet the specific needs of the vehicle and selectively mountable on the vehicle;wherein said one or more essential communication apparatus is configured to be connected to the transmission path and include:(a) one or more input circuits which are configured to correspond to all input elements of the vehicle having both said essential and said specific input elements, whereby said one or more input circuits are capable of connecting said all input elements;(b) one or more essential output circuits which are configured to connect only essential output elements commonly required among all output elements of the vehicle, and(c) one or more control circuits which are configured to control the drive of each of said one or more essential output circuits;wherein said one or more arbitral communication apparatus is configured to be connected to the transmission path and include:(a) one or more specific output circuits which are configured to only connect one or more specific output elements required to drive only one or more specific functional elements particular to the specific needs of the vehicle, and(b) one or more control circuits which are configured to control the drive of each of said one or more specific output circuits; andwherein communication is performed via the transmission path between said one or more essential communication apparatus and said one or more arbitral communication apparatus in response to an input signal of each of said input circuits of said one or more essential communication apparatus to control at least one of said essential output circuits and said specific output circuits.