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Multi-surface optical tracking system

  • US 9,086,738 B2
  • Filed: 03/12/2013
  • Issued: 07/21/2015
  • Est. Priority Date: 03/12/2013
  • Status: Active Grant
First Claim
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1. A method for operating an optical tracking device, the method comprising:

  • configuring the optical tracking device with at least one light source that emits light towards at least one surface on which the optical tracking device moves and at least one sensor that receives light reflected off of the at least one surface, the optical tracking device tracks movement in relation to the at least one surface using the light received by the at least one sensor;

    orienting the at least one sensor such that an angle of reflection of the light received by the at least one sensor reflected off of the at least one surface corresponds to Brewster'"'"'s angle in response to detection that an intensity of the light received by the at least one sensor exceeds a capability of the at least one sensor; and

    orienting the at least one sensor such that the angle of reflection of the light received by the at least one sensor reflected off of the at least one surface corresponds to a different angle than Brewster'"'"'s angle in response to detection that the intensity of the light received by the at least one sensor is below a threshold.

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