| 摘要 |
PROBLEM TO BE SOLVED: To prevent multiscreen picture quality from deteriorating. SOLUTION: Picture light is projected on a screen 2 from a plurality of picture sources 1; and only one screen with large area is used as the screen 2 and the distance F between the picture sources 1 and screen 2 is adjusted to display images continuously on the screen (i.e., without forming any join). Consequently, when the images are viewed as one picture on the entire screen, there is not a place where no image is displayed and the picture quality is improved.
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