A vehicle (100) has a plurality of vehicle systems (11, 12, 13) and a plurality of user devices (40, 50, 60), each vehicle system including a unique function. The vehicle also has a vehicle bus (10) and a user bus (30), the vehicle bus coupled to the plurality of vehicle systems, the user bus coupled...http://www.google.com.hk/patents/US6144905?utm_source=gb-gplus-share專利 US6144905 - Method for registering vehicular bus functionality
