25 March 1996 Compact holographic head-up display
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Abstract
We have developed a head-up display (HUD) using a holographic combiner. A HUD superimposes information in front of the driver. The HUD must be unaffected by sunlight and should be small. A holographic combiner eliminates the VFD wash-out, and compensates for the distortion of concave mirror. The size of unit is reduced by folding the optical path. The image distance is extended to 1.2 m by using a powered element. The dimensions of the HUD unit is 155 X 135 X 77 mm, and the thickness of the optical unit is 40 mm.
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Tsuyoshi Matsumoto, Tsuyoshi Matsumoto, Shin Eguchi, Shin Eguchi, Fumio Yamagishi, Fumio Yamagishi, Masato Nakashima, Masato Nakashima, Kazuhiko Suekane, Kazuhiko Suekane, Shin-ichi Hayashi, Shin-ichi Hayashi, Hiroshi Shibata, Hiroshi Shibata, Atsuyuki Takashima, Atsuyuki Takashima, } "Compact holographic head-up display", Proc. SPIE 2652, Practical Holography X, (25 March 1996); doi: 10.1117/12.236081; https://doi.org/10.1117/12.236081
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