Patent 10342428 was granted and assigned to Bragi on July, 2019 by the United States Patent and Trademark Office.
A method for improving biometric data by using a plurality of wearable devices on a network includes making a first measurement at a first wearable sensor at a first location on a body, making a second measurement at a second wearable sensor positioned at a second location on the body, and detecting an arterial pulse wave transmit time using the first measurement and the second measurement.