Patent 9427191 was granted and assigned to Valencell, Inc. on August, 2016 by the United States Patent and Trademark Office.
A method of determining a value of a physiological parameter for a subject at a selected state includes obtaining, via a device attached to the subject, a value of the physiological parameter of the subject at a particular time-of-day, and applying a time-dependent relationship function to the obtained physiological parameter value via a processor to determine a value of the physiological parameter at the selected state.