Position detection of an oral care implement

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United States of America Patent

PATENT NO 9888763
SERIAL NO

14573552

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Abstract

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An oral care implement (1) comprising: an electrode pair with an impedance formed therebetween when electrified; a frequency generator, electrically connected to the electrode pair, for applying a voltage with at least two different frequencies between the electrode pair; an impedance measurement unit, electrically coupled to the electrode pair, for measuring impedance values between the electrode pair at least at the different frequencies; and a contact determination unit, in communication with the impedance measurement unit, wherein the contact determination unit comprises a memory for storing a function, wherein the function correlates impedance values of a defined oral area at the different frequencies, and wherein the contact determination unit comprises a processor for processing the measured impedance values to the stored function so as to determine contact information of the electrode pair with the defined oral area.

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Patent Owner(s)

Patent OwnerAddress
BRAUN GMBHGERMAN KRONE BERG TAO NOONS

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Doll, Alexander Franz Kronberg, DE 9 24
Halbach, Alexandre Liège, BE 3 8

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