| 摘要 |
PROBLEM TO BE SOLVED: To display a pattern in a new state by changing the color of specified patterns in display parts to execute change. SOLUTION: Three sets of light sources 18 are arranged in a vertical line in the rear part of a display window 11. The light sources 18 are constituted by permitting a white light emitting lamp 19 and a three-color LED 20 for emitting the three lights of red, green and yellow to be one set and are connected to illumination substrates 22. Then respective display boards 15A-15C are illuminated and clearly indicated from the rear parts. Flickering in the lamp 19 and the LED 20 of each light source 18 is respectively controlled in accordance with respectively and previously stored programs. That is, the specified patterns still-displayed in the respective display boards 15A-15C are illuminated by one of the four colors and the flickering is controlled at random so that the colors of the patterns are changed. Thus, the new display state is obtained. |
