| 摘要 |
A head-up display system having a judgment boundary information storage storing judgment boundary information defining judgment area used for judging based on a movement of the driver's eye position whether or not a reflecting angle of the reflector is adjusted, an imaging device imaging an imaging area, an eye position detecting device detecting a driver's eye position in the imaging area based on image information imaged by the imaging device, a judging device judging whether or not a predetermined adjusting condition is satisfied when the eye position detected by the eye position detecting device is outside the judgment boundary, an install state determining device determining an install state of the reflector based on the detected eye position when the judging device judges that the adjusting condition is satisfied, and a reflector adjusting device adjusting the reflector to be in the determined install state.
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