| 摘要 |
PROBLEM TO BE SOLVED: To obtain up-to-date information of a goal in real time. SOLUTION: Each car navigation system 3 comprises means 7 for transmitting information of a position designated from an input section 4 to a communication unit 11a, and means for displaying an image transmitted from a communication unit 11b at a display section 5. A communication unit 11 processes the information of designated position received from the car navigation system 3 and relays it to other communication unit 11b according to the results of processing. Upon receiving the information of designated position, the communication unit 11 requests other vehicle 2b traveling in the vicinity of the designated position to pick up the image thereof, returns an image transmitted from other vehicle 2a to the communication unit 11b and relays the transmitted image to the requested car navigation system 3. |
