US 12,262,794 B2
System and method for tracking movement
Jeffrey Allen, Baltimore, MD (US); F. Grant Kovach, Baltimore, MD (US); and Michael Mazzoleni, Baltimore, MD (US)
Assigned to Under Armour, Inc., Baltimore, MD (US)
Filed by Under Armour, Inc., Baltimore, MD (US)
Filed on May 5, 2023, as Appl. No. 18/313,035.
Application 18/313,035 is a continuation of application No. 16/862,847, filed on Apr. 30, 2020, granted, now 11,653,711.
Application 16/862,847 is a continuation of application No. 16/152,978, filed on Oct. 5, 2018, granted, now 10,674,785, issued on Jun. 9, 2020.
Prior Publication US 2023/0270200 A1, Aug. 31, 2023
This patent is subject to a terminal disclaimer.
Int. Cl. A43B 7/00 (2006.01); A63B 24/00 (2006.01); G01C 21/16 (2006.01); G01P 15/18 (2013.01); G01R 33/02 (2006.01)
CPC A43B 7/00 (2013.01) [A63B 24/0062 (2013.01); G01C 21/1654 (2020.08); G01P 15/18 (2013.01); G01R 33/0206 (2013.01); A63B 2024/0065 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A fitness tracking system comprising:
a shoe;
a magnetometer mounted on the shoe and configured to generate three-axis direction data in response to movement of the shoe during a predetermined time period; and
a controller operably connected to the magnetometer and configured to generate two-axis calibrated direction data based on the three-axis direction data after the predetermined time period, the two-axis calibrated direction data corresponding to an orientation of the shoe during the predetermined time period.