Sword Health. has been granted a patent for a method that enhances motion tracking systems using two gyroscope-equipped sensors. The method involves positioning one sensor on a person’s upper arm and another on their chest to measure orientation differences during specific movements, allowing for system adjustments based on these measurements. GlobalData’s report on Sword Health gives a 360-degree view of the company including its patenting strategy. Buy the report here.
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According to GlobalData’s company profile on Sword Health, Treatment progress monitoring was a key innovation area identified from patents. Sword Health's grant share as of June 2024 was 22%. Grant share is based on the ratio of number of grants to total number of patents.
Motion tracking system adjustment using sensor orientation differences
The patent US12014809B2 outlines a method and system for enhancing the operation of a motion tracking system that utilizes two sensors—one positioned on a person's upper arm and the other on their chest. Each sensor is equipped with a gyroscope, and the method involves measuring the orientations of both sensors while the individual performs a specific movement, which includes moving the torso relative to the hip without rotating the upper arm. The computing device processes these measurements to calculate the orientation difference between the two sensors, allowing for adjustments in the motion tracking system's operation based on this computed difference.
Further claims detail the various adjustments that can be made to the system, such as modifying the measured orientations, refining physical exercise evaluation procedures, and providing user feedback regarding sensor placement. The system can also incorporate additional features, including calibration of the second sensor, the use of accelerometers, and the exclusion of magnetometer data during specific measurements. The processing capabilities of the computing device enable it to compute angular displacements and axes of rotation, ensuring accurate tracking irrespective of the direction of movement. Overall, this patent presents a comprehensive approach to improving motion tracking accuracy and user experience in physical activity monitoring.
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