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.
Patent No.:
Date of Patent:
Dec. 18, 2018
Filed:
Sep. 30, 2014
Apple Inc., Cupertino, CA (US);
Karthik Jayaraman Raghuram, Santa Clara, CA (US);
Hung A. Pham, Oakland, CA (US);
Richard Channing Moore, III, San Francisco, CA (US);
Alexander Singh Alvarado, Mountain View, CA (US);
Umamahesh Srinivas, Santa Clara, CA (US);
Xing Tan, San Jose, CA (US);
Dan Marvin Trietsch, Cupertino, CA (US);
Gunes Dervisoglu, Mountain View, CA (US);
Craig H. Mermel, San Jose, CA (US);
Ronald K. Huang, San Jose, CA (US);
Adeeti Ullal, Cupertino, CA (US);
APPLE INC., Cupertino, CA (US);
Abstract
In one aspect, the present disclosure relates to a method including obtaining, by a heart rate sensor of a fitness tracking device, a heart rate measurement of a user of the fitness tracking device; obtaining, by at least one motion sensor, motion data of the user; analyzing, by the fitness tracking device, the motion data of the user to estimate a step rate of the user; estimating, by the fitness tracking device, a load associated with a physical activity of the user by comparing the heart rate measurement with the step rate of the user; and estimating, by the fitness tracking device, an energy expenditure rate of the user using the load and at least one of the heart rate measurement and the step rate.