| 摘要 |
PROBLEM TO BE SOLVED: To automatically inform a driver of a message by an external terminal such as a cellular telephone or a personal computer for calling upon the driver to start for arriving at the destination in estimated time. SOLUTION: The information of the destination and the destination arrival time is transmitted from any one of the external terminals 2, 3 and 4, and the transmitted information is received by the communication part 11. The control part 18 stores the received information in the memory part 13, calculates the estimated starting time for arriving at the destination on the arrival day and time, based on the received information, the searched route based on the memory information and GPS receiver part 14 and the map information memory part 15, informs the driver etc. , of the information calculated estimated time of departure when it leaches this time or before the time by a prescribed time, via the communication part 11 to the external terminal device 2, 3 and 4. COPYRIGHT: (C)2006,JPO&NCIPI |
