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Short wavelength visible light-emitting toothbrush with an electronic signal interlock control
专利权人:
发明人:
Mike Barnes,Timothy Lawrence,Greg Shepherd,Mathieu Julien Jean Emile Zastawny,Thomas Jason Dooley
申请号:
US14946929
公开号:
US09439503B2
申请日:
2015.11.20
申请国别(地区):
US
年份:
2016
代理人:
摘要:
A short wavelength visible light-emitting toothbrush with an electronic interlock control device preventing operation when the toothbrush is removed from the users mouth. The electronic interlock control over operation is necessary to prevent accidental eye exposure to the high intensity light source with a wavelength in the range of 400 nm to 500 nm. The light-emitting toothbrush activates upon formation of an electrical circuit between the brush handle in contact with the users hand and the brush head or brush bristles in contact with moisture contained in a human mouth such as saliva or water mixed with toothpaste but deactivates immediately when removed from the mouth, thus protecting the users eyes from direct exposure to the high power light source contained in the brush-head.
来源网站:
中国工程科技知识中心
来源网址:
http://www.ckcest.cn/home/

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