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    • 9. 发明授权
    • Surface detection system for use with a droplet spray oral cleaning device
    • 用于液滴喷雾口腔清洁装置的表面检测系统
    • US07916282B2
    • 2011-03-29
    • US12303155
    • 2007-06-25
    • Paulus Cornelis DuineveldJoseph W. Grez
    • Paulus Cornelis DuineveldJoseph W. Grez
    • G01N21/00A61C17/00
    • A61C17/028A61C3/025A61C17/221
    • The surface detection system includes a source of an optical interrogating signal (44) which accompanies a droplet spray in an oral cleaning device directed to an oral surface (46). The interrogating optical signal is reflected from the oral surface which the spray impacts and detected (48). A selected characteristic of the reflected signal, such as intensity, is indicative of the nature of the oral surface, such as either gum tissue or a tooth surface. The detected reflected signal is then processed to determine the nature of the oral reflecting surface. The processor (50) then provides a resulting output signal which can be used to either warn the user concerning the nature of the oral surface or to change the characteristics of the spray appropriately according to the surface (51).
    • 表面检测系统包括伴随着指向口腔表面(46)的口腔清洁装置中的液滴喷雾的光询问信号(44)的源。 询问光信号从喷雾冲击和检测的口腔表面反射(48)。 反射信号(例如强度)的所选特征表示口腔表面的性质,例如牙龈组织或牙齿表面。 然后处理检测到的反射信号以确定口腔反射表面的性质。 处理器(50)然后提供所得到的输出信号,该输出信号可用于向使用者提示关于口腔表面的性质或根据表面(51)适当地改变喷雾的特性。