Karthik Jayaraman RAGHURAM,Hung A. PHAM,Richard Channing MOORE, III,Alexander SINGH ALVARADO,Umamahesh SRINIVAS,Xing TAN,Dan Marvin TRIETSCH,Gunes DERVISOGLU,Craig H. MERMEL,Ronald K. HUANG,Adeeti ULL
申请号：
US14502827
公开号：
US20160058302A1
申请日:
2014.09.30
申请国别(地区):
US
年份:
2016
代理人:
摘要：
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.
