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Methods and apparatus for position estimation using reflected light sources

  • US 20050213082A1
  • Filed: 03/25/2005
  • Published: 09/29/2005
  • Est. Priority Date: 03/29/2004
  • Status: Active Grant
First Claim
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1. A position estimation system for estimating a position of an object in an area defined by a wall having a surface, the system comprising:

  • a light spot at a substantially fixed location on the surface;

    a detector mounted on the object for detecting a reflected light from the light spot; and

    a data processing unit mounted on the object for estimating the position of the object using the reflected light detected by the detector.

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  • 6 Assignments
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