| 摘要 |
PROBLEM TO BE SOLVED: To recognize a facility wherein a valuable object owned personally by a user can be used, related to a navigation device for displaying road information. SOLUTION: A card data input means 1 performs registration operation of a credit card owned by a user using a monitor 6, etc. The registered card data is stored in a card data storage means 2. Meanwhile, in a CD-ROM 3 which is a storage medium, a map data as well as credit card data which can be used at such facilities as a filling station, a bank, a restaurant, etc., on the map is recorded corresponding to the facilities. A map data reading means 4 reads as required the map data and credit card data in the CD-ROM 3. A display control means 5 displays a map data on the monitor 6 based on the read-out map data while facilities where user's credit card can be used are displayed for recognition. |
