System for analyzing a user's strides
US9538939B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Apr 8, 2011 |
| Grant date | Jan 10, 2017 |
| Priority date | — |
| Expiry date | Mar 14, 2032 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61B2503/10
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A system for analyzing a user's strides has a first sensor assembly (EC1) furnished within a housing, with a triaxial magnetometer (3M) fixed to the housing (BT), which is associated with a moving frame (LF). First fixing means (MF1) fixes the first sensor assembly (EC1) to a leg segment of the user. Processing means (MT) calculates the angle of yaw (YawGF) and/or of pitch (PitchGF) and/or of roll (RollGF) of the first sensor assembly (EC1), and calculates the corresponding angular temporal variation or variationsin a fixed global frame (GF) relative to the terrestrial frame, on the basis of the measurements of the triaxial magnetometer (3M) delivered in the moving frame (LF).
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.