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OBJECT LOCATION DETERMINATION

  • US 20140375613A1
  • Filed: 06/20/2013
  • Published: 12/25/2014
  • Est. Priority Date: 06/20/2013
  • Status: Active Grant
First Claim
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1. An apparatus for determining a position of an object on a planar surface, the apparatus comprising:

  • a conical mirror having an axis that is about perpendicular to a planar surface;

    a time-of-flight sensor array having a spatial relationship to the conical mirror such that a field of view of the time-of-flight sensor array is reflected radially from the conical mirror in a plurality of directions across the planar surface;

    electrical circuitry configured to;

    receive a ranged image captured by the time-of-flight sensor array through the conical mirror, the ranged image including the object;

    process the ranged image to determine the position of the object on the planar surface by determining an angle and a radius of the object relative to the axis of the conical mirror; and

    transmit the position of the object to a display system.

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