| 摘要 |
PROBLEM TO BE SOLVED: To provide a navigation device appropriate for such a vehicle as a motorcycle wherein a helmet is used. SOLUTION: A navigation unit 9 which outputs signals of current position information, advancing direction information, etc., based on the signal from a GPS receiver 1 set to an appropriate place of a motorcycle (vehicle) B, an image display device 11 which, attached to a helmet 19 of a driver (user) A of the vehicle B, receives the signal for projecting an image, and a combiner 16 which, attached to the helmet 10 of the driver A, focuses the image as a virtual image, are provided. |
