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MULTIPATH REFLECTION PROCESSING IN ULTRASONIC GESTURE RECOGNITION SYSTEMS

  • US 20130182539A1
  • Filed: 01/13/2012
  • Published: 07/18/2013
  • Est. Priority Date: 01/13/2012
  • Status: Abandoned Application
First Claim
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1. A method comprising:

  • identifying a position of a static reflector near an ultrasonic transmitter;

    transmitting ultrasonic signals from the ultrasonic transmitter;

    receiving reflected ultrasonic signals at an ultrasonic receiver, the received ultrasonic signals comprising a direct reflection directly from a target and a multipath reflection indirectly from the target via the reflector; and

    identifying a location of the target using the reflections and the identified position of the reflector.

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