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1. (WO2017201298) BACK-FILLING OF GEOLOCATION-BASED EXERCISE ROUTES

Pub. No.:    WO/2017/201298    International Application No.:    PCT/US2017/033350
Publication Date: Fri Nov 24 00:59:59 CET 2017 International Filing Date: Fri May 19 01:59:59 CEST 2017
IPC: H04W 4/02
G01S 19/19
A61B 5/11
G01S 19/49
Applicants: FITBIT, INC.
Inventors: SU, Hao-Wei
FOXLIN, Eric
VENKATRAMAN, Subramaniam
NIEHAUS, Logan
DUYAN, Peter
YUEN, Shelten, Gee, Jao
ROBERTS, Timothy, M.
VADDI, Veera, Venkata, Sesha, Sai
Title: BACK-FILLING OF GEOLOCATION-BASED EXERCISE ROUTES
Abstract:
Techniques for automatic tracking of user data for exercises are disclosed. In one aspect, a method of operating a wearable device may involve determining that a user of the wearable device has started an exercise, activating the GPS receiver in response to determining that the user has started the exercise, and detecting a time at which the GPS receiver achieves an initial GPS fix of a location of the wearable device. The method may further involve logging, based on output of the one or more biometric sensors, a first set of user data during a first time interval between the start of the exercise and the detected time of the initial GPS fix, and back-filling an exercise route of the user during the first time interval based on the first set of user data.