INFORMATION PROCESSING FOR ROUTE GUIDE USING DIGITAL MAP DATA

摘要

PROBLEM TO BE SOLVED: To improve convenience of a route search device for performing route search by using a digital map. SOLUTION: A communication navigation system wherein a communication navigation device is connected to the server of a service center through Internet is constituted. A plurality of communication navigation devices are registered as a group in the server. The communication navigation device and the server set automatically a meeting place by using present position information of the plurality of communication navigation devices. A moving locus of a leading car A is displayed by following cars B, C. A course point is designated from the leading car A to the following cars B, C. When a prescribed canceling condition is fulfilled, group registration of the leading car and the following cars is canceled. COPYRIGHT: (C)2004,JPO&NCIPI