NETWORK SYSTEM FOR VEHICLE

PROBLEM TO BE SOLVED: To provide a network system for vehicles which has simple constitution, is easily installed on vehicles, and does not generate communication trouble such as ringing. SOLUTION: A plurality of ECUs 10 mounted on the vehicle are connected to a converter 20 in a star shape through optical fibers 40 to constitute a star type network. Further, a plurality of converters 20 are mounted on the vehicle 1 to constitute a plurality of star type networks, and the converters 20 are interconnected using metal cables 30. Each of the converters 20 converts an optical signal from the ECU 10 into an electric signal and supplies it to other converters 20, and also converts an electric signal from another converter 20 into an optical signal and supplies it to connected ECUs 10. COPYRIGHT: (C)2008,JPO&INPIT