| 摘要 |
PROBLEM TO BE SOLVED: To effectively utilize hardware resources by sharing information between a navigation device and a mobile phone. SOLUTION: The mobile phone 110 and the navigation device 120 have a communication I/F 115, 121 capable of communicating with each other. A GPS receiver 111 is provided on the mobile phone and, by using the communication I/F, its position information is transmitted to the navigation device, and the navigation device receives the position information by using the communication I/F. The navigation device produces map information including the present position and information on route to the destination based on the position information and transmits the destination information and the route information to the mobile phone. The mobile phone renews the position information by the GPS receiver at every specific time and transmits the renewed position information to the navigation device. The navigation device receives the renewed position information and renews the route information and transmits the renewed position information to the mobile phone. COPYRIGHT: (C)2007,JPO&INPIT |
