| 摘要 |
PROBLEM TO BE SOLVED: To obtain a navigation system capable of offering to a user map information and traffic information including local information, and additional information for the convenience of a driver on the occasion of driving a car, with a simple navigator constitution. SOLUTION: A navigation information transmission system 2 has a map road information data base 41, an additional information data base 42, a local information data base 43, a program data base 44, and a wide area information data base 45. And the navigation information information transmission system 2 supplies information or a program in the data bases to a navigator 1 in compliance with its request. |
