This invention describes a way to track a person's movement using a small sensor worn on their head, perhaps as part of a headset. The sensor detects head movements, which are then analyzed to figure out how far the person's head has moved or to count their footsteps. This movement data is then sent to another device for monitoring, with the processing happening either on the worn device or a separate one.
Why it matters: Filed in 2023, the core MEMS and wireless technologies were already mature. The ongoing challenge lies in developing robust software algorithms for accurate motion interpretation from head movements.
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