×

Remote control systems that can distinguish stray light sources

  • US 7,655,937 B2
  • Filed: 07/16/2008
  • Issued: 02/02/2010
  • Est. Priority Date: 11/07/2006
  • Status: Active Grant
First Claim
Patent Images

1. A method for distinguishing at least one predetermined light source from stray light sources, the method comprising:

  • continuously modulating an output waveform of the at least one predetermined light source in accordance with at least one signature modulation characteristic;

    detecting light from light sources using a photodetector;

    generating photodetector data representative of the detected light; and

    identifying at least one light source from the photodetector data that exhibits the at least one signature modulation characteristic.

View all claims
  • 0 Assignments
Timeline View
Assignment View
    ×
    ×