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Orientation of an ultrasonic signal

  • US 9,013,960 B2
  • Filed: 04/20/2012
  • Issued: 04/21/2015
  • Est. Priority Date: 04/20/2012
  • Status: Active Grant
First Claim
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1. A system for orientation of an ultrasonic signal, comprising:

  • a mobile device including at least two emitters operable to emit an ultrasonic signal, the mobile device also including an orientation sensor operable to determine an orientation of the mobile device;

    in response to the orientation, the mobile device operable to drive the emitters to orient the ultrasonic signal in a preferred direction;

    a receiver with at least two microphones operable to receive the ultrasonic signal, the receiver located at a fixed, known point in an environment of the system; and

    a location engine operable to establish a location of the mobile device within the environment of the system; and

    whereinin response to the location and the orientation, the mobile device operable to drive the emitters to orient the ultrasonic signal towards the receiver.

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