OMRON HEALTHCARE CO., LTD.;Colgate-Palmolive Company
发明人:
Hideaki YOSHIDA,Mamoru KATANO
申请号：
US16358859
公开号：
US20190216582A1
申请日:
2019.03.20
申请国别(地区):
US
年份:
2019
代理人:
摘要：
In one embodiment, the invention can be an electric toothbrush. The electric toothbrush may include a driving module configured to oscillate a brush unit； an acceleration sensor configured to generate an output signal； a signal extraction module configured to extract from the output signal (a) a first signal having a frequency at a first threshold or higher and (b) a second signal having a frequency at a second threshold or lower； a brushing site estimation module configured to estimate a brushing site of the brush unit based on the output signal of the acceleration sensor； and a correction module configured to correct the brushing site estimated by the brushing site estimation module based on an amplitude of the first signal and an amplitude of the second signal.
