| 摘要 |
PROBLEM TO BE SOLVED: To make an optimum choice as to information from plural information provision sources by providing a comparative judging means which judges which one is more important, a display means which updates information into more important information by the information provision sources according to the judged result and displays the information, etc. SOLUTION: An ECU 24 is connected to a radio wave beacon receiver 14, a light beacon receiver 18, and an FM multiplex receiver 22, and this ECU 24 recognizes information sent from plural information provision sources. To this ECU 24, a drawing data processing part 28, a storage part 30, and a sensor part 32 are connected and the provision times of two received pieces of information are compared, and when the provision time difference is less than (m) minutes, it is judged whether they are traffic information from the same information provision source, and a link overlapping old data in updated into new data and data of a link which is newly provided are also stored and displayed on a display 34. |
