| 摘要 |
PURPOSE:To emit auroral light simply, easily and at a low cost, which light is generated in the North and South Poles and shakes while differing in color in layers. CONSTITUTION:A strip-shaped curtain 3 composed of a plurality of reversible strip pieces 4 mutually connected by wire, in which curtain coating films composed of fluorescent paints of various colors are formed on the obverse and reverse, is attached to a rail 1 curved in a corrugated manner horizontally so as to be spreadable and contractible horizontally, and near ultraviolet rays are applied by an irradiator 10 arranged with a predetermined space from the strip-shaped curtain 3 while the strip-shaped curtain 3 is spread and contracted so that the curtain 3 is caused to emit light in an auroral manner. |
