| 摘要 |
PROBLEM TO BE SOLVED: To provide a head up display (HUD) which is miniaturized without using concave mirrors and is capable of varying the magnification of a display image by a simple configuration. SOLUTION: In the HUD which reflects the display image projected from a display device 11, by a combiner 17 as a reflecting means and makes an observer visually recognize a reflection image from the combiner, a condenser lens set 13 for varying the magnification of the display image is provided on an optical path between the display device 11 and the combiner 17. COPYRIGHT: (C)2007,JPO&INPIT
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