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公开(公告)号：US20240261073A1
公开(公告)日：2024-08-08
申请号：US18638734
申请日：2024-04-18
CPC分类号： A61C17/221 , A61B5/0088 , A61C17/22 , A61C17/34 , A61C17/3472 , A61B5/4547 , A61C17/02 , A61C17/20 , A61C17/222 , A61C17/227 , A61C17/3463 , A61C17/3481
摘要： An electric toothbrush that detects plaque on the teeth, ensures accurate plaque detection, and performs cleaning of plaque. The electric toothbrush may include a drive module having a first drive for oscillating a brush unit in a first direction and a second drive for oscillating the brush unit in a second direction; a light emitting module; a reflected light detector; a plaque detector for detecting plaque based on reflected light detected by the reflected light detector; a liquid spray part for spraying liquid from the brush unit; and a liquid spray controller for controlling a spray timing of the liquid. The liquid spray controller may spray the liquid when the amount of plaque detected by the plaque detector exceeds a threshold. The drive module may stop the first drive and perform only the second drive while the liquid is being sprayed.
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公开(公告)号：US20180199819A1
公开(公告)日：2018-07-19
申请号：US15735335
申请日：2016-06-09
摘要： In one embodiment, the invention can be an electric toothbrush including a trajectory detecting module configured to detect a trajectory of movement of a brush, the trajectory including a plurality of positions; an attitude detecting module configured to detect an attitude of the brush; a site estimating module configured to estimate a brushing site for each of the plurality of positions of the trajectory, each estimated brushing site being based on the trajectory detected by the trajectory detecting module; and a back most tooth detecting module configured to detect a back most tooth based on a change of the attitude detected by the attitude detecting module; wherein the site estimating module is further configured to correct the estimated brushing site for each of the plurality of positions of the trajectory based on the estimated site of the detected back most tooth
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公开(公告)号：US20210068934A1
公开(公告)日：2021-03-11
申请号：US16949926
申请日：2020-11-20
摘要： An electric toothbrush that detects plaque on the teeth, ensures accurate plaque detection, and performs cleaning of plaque. The electric toothbrush may include a body having a gripping part and a stem with a brush unit detachably coupled to the body. The electric toothbrush may include a light emitting element for emitting light onto the tooth and a light receiving element for receiving light that reflects off of the tooth. A controller may be included to determine an amount of plaque on the tooth based on the amount of reflected light detected. The electric toothbrush may also include a fluid dispensing system that dispenses fluid based on the amount of reflected light detected. In some aspects, the electric toothbrush may operate in multiple oscillation modes, and it may only dispense fluid in some of the modes but not all of the modes.
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公开(公告)号：US20180177575A1
公开(公告)日：2018-06-28
申请号：US15735367
申请日：2016-06-09
CPC分类号： A61C17/221 , A61B5/0088 , A61C17/02 , A61C17/20 , A61C17/22 , A61C17/222 , A61C17/227 , A61C17/34 , A61C17/3463 , A61C17/3472 , A61C17/36
摘要： An electric toothbrush that detects plaque on the teeth, ensures accurate plaque detection, and performs cleaning of plaque. The electric toothbrush may include a body having a gripping part and a stem with a brush unit detachably coupled to the body. The electric toothbrush may include a light emitting element for emitting light onto the tooth and a light receiving element for receiving light that reflects off of the tooth. A controller may be included to determine an amount of plaque on the tooth based on the amount of reflected light detected. The electric toothbrush may also include a fluid dispensing system that dispenses fluid based on the amount of reflected light detected. In some aspects, the electric toothbrush may operate in multiple oscillation modes, and it may only dispense fluid in some of the modes but not all of the modes.
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