Is a
Patent attributes
Patent Applicant
Current Assignee
Patent Jurisdiction
Patent Number
Patent Inventor Names
Ehsan Maani1
Daniel J. Culbert1
Ian R. Shapiro1
Date of Patent
May 21, 2024
1Patent Application Number
158486021
Date Filed
December 20, 2017
1Patent Citations
Patent Primary Examiner
CPC Code
Patent abstract
A device for determining a heart rate of a user has a PPG sensor and an accelerometer to compensate for acceleration artifacts within the PPG signal. The device transforms time domain PPG and accelerometer signals into the frequency domain using a Fourier transformation and utilizes the Fourier coefficient magnitudes as indicative of the probability of candidate heart rate values. Candidate heart rate values are determined at sampling times over a time interval and a most probable heart rate path during the time interval is determined using a reward/penalty algorithm.
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