| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a small-sized and inexpensive sterilization device for a toothbrush capable of reducing power consumption and surely executing sterilization. <P>SOLUTION: The sterilization device is provided with ultraviolet ray sources (16, 161) and reflection mirrors (61, 161) arranged to face each other with the brush parts (52, 152) of the toothbrushes (50, 150) interposed between them. The ultraviolet ray source is composed of an ultraviolet ray emitting diode. <P>COPYRIGHT: (C)2005,JPO&NCIPI |
