Patent ID: 6188955
Filing Date: 2001-02-13
Classification: G01C

Abstract:
An electronic navigation device for planning a route over at least one of a plurality of thoroughfares, from a starting location to a selected destination, said device comprising:a processor;a memory connected to said processor, said memory having data indicative of said thoroughfares, wherein each of said thoroughfare has a plurality of associated features, wherein selected features are associated to form links of features, and wherein selected links are associated to form networks of links,wherein said processor determines whether said selected destination and said starting location are within the same said feature, and when said selected destination and said starting location are within the same said feature, said processor defines said route on said common feature;when said selected destination and said starting location are not within the same said feature, said processor determines whether said selected destination and said starting location are within the same said link and, when said selected destination and said starting location are within the same said link, said processor defines said route on said common link; andwhen said selected destination and said starting location are not within the same link, said processor determines whether said selected destination and said starting location are on the same network and, when said selected destination and said starting location are on the same network, said processor defines said route on said common network.