Patent attributes
A method (300) for localizing an oral cleaning device within a user's mouth. The method includes the steps of: (i) determining (830), based on sensor information received from a motion identifier (28), a first location of the oral cleaning device within the user's mouth; (ii) measuring (850), using sensor information received from the motion identifier, an amount of time elapsing between a start and a stop of a movement of the oral cleaning device within the user's mouth at the first location; (iii) calculating (850), using Fitt's law and the measured elapsed amount of time, the number of teeth the oral cleaning device was displaced during the elapsed amount of time; and (iv) determining (850), based on the first location and the number of teeth the oral cleaning device was displaced during the elapsed amount of time, which of the user's teeth were included in the displacement.