To provide with a navigation apparatus capable of efficient route guidance in which a date on which route guidance process is performed coincides with an available date and time, and in consideration with a stay length. The navigation apparatus in this implementation is provided with a GPS reception...http://www.google.fr/patents/US20060241862?utm_source=gb-gplus-shareBrevet US20060241862 - Navigation device, navigation method, route data generation program, recording medium containing route data generation program, and server device in navigation system
Navigation device, navigation method, route data generation program ...
