Patent ID: 6385166
Filing Date: 2002-05-07
Classification: G08C

Abstract:
A multiplex communication system comprising:a communication bus; and a communication bus disconnect control device connected to said communication bus; wherein said communication bus disconnect control device comprises a control means for generating a communication bus disconnect signal when a trouble of said communication bus is detected and a communication bus disconnect means for separating said communication bus into at least two communication bus groups in response to said communication bus disconnect signal; wherein said communication bus is constituted by a plurality of separable communication bus groups and said communication bus disconnect means selectively disconnects at least one of said plurality of separable communication bus groups in response to said communication bus disconnect signal; and wherein each of said plurality of separable communication bus groups is arranged in a ring pattern; at least one of said plurality of separable communication bus groups is an instrument panel communication bus group including a node connected to a measuring and/or controlling device provided on an instrument panel of an automotive vehicle; at least one of said plurality of separable communication bus groups is a door communication bus group including a node connected to a measuring and/or controlling device installed in a door of the automotive vehicle; and said communication bus disconnect means separates said instrument panel communication bus group and said door communication bus group from each other in response to said communication bus disconnect signal.