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Patents

Determining Diaper Loading Using Color Detection or Activity State

U.S. Patent No. 12,458,543

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By: Tara Olivo

Associate Editor at Nonwovens Industry, Rodman Media

Brian Schiffer, San Francisco, CA; Tushar Parlikar, Somerville, MA; and Brian Ward Guilardi, San Jose, CA.
Assigned to Verily Life Sciences LLC, Dallas, TX.

Filed: 4/18/23
Issued: 11/4/25

A method for predicting a loading of an absorbent article, the method comprising: obtaining, from a photodetector, a measurement of transmitted light reflected from the absorbent article; determining, from the measurement of transmitted light, a presence of bodily exudate in the absorbent article; obtaining, from an inertial sensor, a time series of data including an inertial measurement for each time period of a set of time periods; determining, in real-time from the time series of data, an activity state of an infant wearing the absorbent article, wherein the activity state comprises being awake or being asleep; and determining, based on the presence of bodily exudate and the activity state, a degree of fullness of the absorbent article.

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