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There may besanitary problems since a number of invisible bacteria are adhered on the elevator button touched by the hands of many peoples.
To effectively improve this problem, a control device for elevator was reorganized.
An U/V sterilizer for disinfection is incorporated inside of the button at 45 degree and U/V ray emitted downward is not directly disclosed to the human eyes and only surface of the button is allowed.
kyonggi university
Gyeonggi-do, South Korea
kyonggi university
Gyeonggi-do, South Korea