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Control device with passive reflector

  • US 9,524,554 B2
  • Filed: 12/21/2015
  • Issued: 12/20/2016
  • Est. Priority Date: 02/14/2013
  • Status: Active Grant
First Claim
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1. A method, comprising:

  • receiving one or more infrared images from an infrared camera;

    recognizing within one or more of the infrared images an active infrared light emitted from a beacon of a wireless control device; and

    after the beacon of the wireless control device stops emitting the active infrared light, recognizing within one or more of the infrared images a passive infrared light reflected from a retroreflector of the control device.

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