The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Dec. 26, 2017

Filed:

Jul. 29, 2015
Applicant:

Apple Inc., Cupertino, CA (US);

Inventors:

Karthik Jayaraman Raghuram, Santa Clara, CA (US);

James M. Silva, San Jose, CA (US);

Alexander Kanaris, San Jose, CA (US);

Barker N. Bhaskaran, Kerala, IN;

Assignee:

APPLE INC., Cupertino, CA (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A61B 5/02 (2006.01); A61B 5/00 (2006.01); A61B 5/0205 (2006.01); A61B 5/11 (2006.01); A61B 5/024 (2006.01);
U.S. Cl.
CPC ...
A61B 5/486 (2013.01); A61B 5/0205 (2013.01); A61B 5/1118 (2013.01); A61B 5/681 (2013.01); A61B 5/721 (2013.01); A61B 5/7246 (2013.01); A61B 5/7278 (2013.01); A61B 5/02438 (2013.01);
Abstract

A device can estimate the heart rate of an active user by using a physiological model to refine a 'direct' measurement of the user's heart rate obtained using a pulse sensor. The physiological model can be based on heart rate response to activity and can be informed by context information, such as the user's current activity and/or intensity level as well as user-specific parameters such as age, gender, general fitness level, previous heart rate measurements, etc. The physiological model can be used to predict a heart rate, and the prediction can be used to assess or improve the direct measurement.


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