| 摘要 |
<p>PROBLEM TO BE SOLVED: To ease mental stresses and to tranquilize. SOLUTION: Water spray 20 is set at the lower part of the space 11 of housing 1 and reflecting board 21 is set at the upper part. When the water sprayed by the water spray 20 crushes into the reflecting board 21, negative ions are generated. The negative ions are drawn to net 50 to which positive electric potential is given through holes 30 of inside wall 2 and are introduced into casing space 10. Inside inner wall 2, plural light emitting elements 40 that illuminate blue or violet lights and display 60 are arranged. In the casing space 10, fragrance source 70 that consists of fragrances and speaker 80 as a sound generator are settled.</p> |
