Koninklijke Philips Corporation N.v.

Steven Charles Deane

Vincent Jeanne

Martin John Edwards

Gerben Kooijman

Felipe Maia Masculo

Wilhelmus Johannes Everardus Evers

Filipe Maia Masculo

Wilhelmus Johannes Everadus Evers

Dionisio Massingo Numes

A method () for determining a position and an orientation of a portion of a handheld personal care device relative to a user's body (), comprising: providing () a handheld personal care device comprising at least one energy source () and at least one detector (), both the at least one energy source and the at least one detector located within the handheld personal care device, the at least one energy source arranged at a first position and having a first orientation within the handheld personal care device; emitting () energy in a three dimensional space surrounding the handheld personal care device; detecting () a portion of the energy emitted; generating () sensor data; extracting () one or more features from the generated sensor data; and estimating () a position and an orientation of a portion of the handheld personal care device relative to the user's body based on the extracted one or more features.

Method and system for improved motion robustness during location measurement

A system () and method for selecting a mouthpiece () for a user. The method includes receiving a signal with a personal care system () to initiate oral arch measurements using a personal care device (). Data is collected from a position sensor () related to a location of a probe () of the personal care device as the probe is moved about an oral arch of the user. A controller () of the personal care system determines a dimension of the oral arch from the data. The controller selects a mouthpiece for the user based on the dimension of the oral arch. Information identifying the mouthpiece is transmitted to the user or other intended recipient.

Systems and methods for measuring an oral arch geometry and selecting a mouthpiece based on oral arch measurements

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CAMBRIDGE, MA, United States of America

Steven Charles Deane