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Tracking torso orientation to generate inputs for computer systems

  • US 10,540,006 B2
  • Filed: 11/15/2017
  • Issued: 01/21/2020
  • Est. Priority Date: 05/16/2017
  • Status: Active Grant
First Claim
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1. A system, comprising:

  • a first sensor module having an inertial measurement unit and attached to a left upper arm of a user, the first sensor module generating first motion data identifying an orientation of the left upper arm;

    a second sensor module having an inertial measurement unit and attached to a right upper arm of the user, the second sensor module generating second motion data identifying an orientation of the right upper arm;

    a third sensor module having an inertial measurement unit and attached to a head of the user, the third sensor module generating third motion data identifying an orientation of the head; and

    a computing device coupled to the first sensor module, the second sensor module, and the third sensor module through communication links, the computing device calculating an orientation of a torso of the user based on the orientation of the left upper arm, the orientation of the right upper arm, and the orientation of the head, the calculating the orientation of the torso comprisingcomputing a facing direction of the user'"'"'s torso based on identifying a bisecting direction that bisects the first and second motion data, andcalculating the orientation of the torso by identifying a second direction based on the bisecting direction and a predetermined ration, the predetermined ratio representing the angles between the second direction and the bisecting direction and the second direction and a direction of the orientation of the user'"'"'s head.

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