| 摘要 |
PROBLEM TO BE SOLVED: To provide a mask with a fan for filtering harmful components in air and supplying clean air using a solar cell as an electric source.SOLUTION: The solar cell 7 using light as an energy source and the fan 6 are mounted on the mask covering the nasal apertures and the mouth of a person, so that the harmful components in the air are filtrated and the clean air is supplied. |
