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Precision position tracking system

  • US 9,541,634 B2
  • Filed: 08/11/2015
  • Issued: 01/10/2017
  • Est. Priority Date: 11/30/2012
  • Status: Active Grant
First Claim
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1. A precision positioning tracking system, comprising:

  • a computing device;

    a precision tracking device, comprising;

    a first infrared Light-Emitting Diode (LED) configured to emit a first repetitive pattern of infrared light pulses;

    a second infrared LED configured to emit a second repetitive pattern of infrared light pulses;

    one or more tracking cameras;

    non-transitory media storing instructions readable by the computing device, that when executed by the computing device, cause the computing device to;

    receive image data from the one or more tracking cameras, the received image data comprising image data corresponding to infrared light pulses emitted from the precision tracking device;

    based at least in part on the received image data, detect a first pattern of infrared LED light pulses;

    identify from the first pattern of detected infrared light pulses the presence of the first repetitive pattern emitted by the first infrared LED and the second repetitive pattern emitted by the second infrared LED; and

    calculate a first orientation of the precision tracking device based at least in part on the identified presence of the first repetitive pattern and the second repetitive pattern in the first pattern of infrared light pulses, wherein the first orientation is defined using five degrees of freedom.

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