| 摘要 |
PROBLEM TO BE SOLVED: To provide a car-carried easy-to-handle terminal having a car navigation function and a new terminal used therefor. SOLUTION: A data memory 16 stores car navigation map information. When a communication terminal A requests information from an external information providing server, this server transmits the information to the terminal A. Then it overwrites the map information, based on overwriting programs stored in a program memory 18. |
