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Enhanced field of view to augment three-dimensional (3D) sensory space for free-space gesture interpretation

  • US 9,632,572 B2
  • Filed: 10/03/2014
  • Issued: 04/25/2017
  • Est. Priority Date: 10/03/2013
  • Status: Active Grant
First Claim
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1. A rim mounted space imaging apparatus, mounted in a rim of a display that has a vertical axis, comprising:

  • two cameras mounted in the rim of a display with optical axes facing within 20 degrees of tangential to a vertical axis of the display;

    at least one Fresnel prismatic element that redirects the optical axes of the cameras, giving each camera a field of view that covers at least 45 to 80 degrees from tangential to the vertical axis of the display; and

    a camera controller coupled to the two cameras that compensates for redirection by the Fresnel prismatic element and determines a position of at least one control object within the camera fields of view.

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