Facial cleansing apparatus using electric motor and spring, control method therefor, and recording medium recording program for performing control method
Cheonghwan Hwang,Sohee Kim,Wooram Park,Yoon-hee Lee,Hyeseong Nam,Chilsung Lee,Jeongmin Lee,Hyoyoung Kim
申请号：
US14778232
公开号：
US09717376B2
申请日:
2013.09.27
申请国别(地区):
US
年份:
2017
代理人:
摘要：
An apparatus for washing skin uses a brushless electric motor and a spring. The apparatus may include a case； an operation unit installed outside the case； a power supply unit installed at one end inside the case； the brushless electric motor installed inside the case； a control unit to output an electric signal； a face-washing brush fitted with a shaft of the brushless electric motor to be rotated forward and reverse as the brushless electric motor is operated； a holder and a spring.
