| 摘要 |
PROBLEM TO BE SOLVED: To provide a method and an apparatus for forming a bubble screen for image display which realize wide-range utilization, and a method and a device for displaying an image on the bubble screen. SOLUTION: The bubble screen (10), which is a projection screen, is formed on a water surface by bubbles (20) rising or floating to the water surface resulting from feeding a large number of bubbles into or onto the water (18) in a swimming pool (16), a water landscape facility, a bathtub, a lake or marsh, a pond, a river, or the like. A projection screen forming apparatus (12) is equipped with a conduit (22) defining part of a circulation path in the water (18), a pump (24) installed in the conduit, and an air feed port (26). Image display is made on the bubble screen by using at least one cinema projector. COPYRIGHT: (C)2006,JPO&NCIPI
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