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Method and apparatus for detecting the head pose of a vehicle occupant

  • US 20080060497A1
  • Filed: 09/11/2006
  • Published: 03/13/2008
  • Est. Priority Date: 09/11/2006
  • Status: Active Grant
First Claim
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1. Apparatus for detecting a pose of a human subject'"'"'s head, comprising:

  • a symmetrically arranged array of electrodes including at least first and second electrodes disposed in relation to the subject'"'"'s head;

    an AC voltage source;

    switch means for selectively coupling said AC voltage source to said first electrode to generate an electric field that interacts with the subject'"'"'s head; and

    means for determining a capacitive coupling between said first and second electrodes while said AC voltage source is coupled to said first electrode, and detecting the pose of the subject'"'"'s head based on the determined capacitive coupling.

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