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Ultrasonic transmitter and receiver systems and products using the same

  • US 20060181421A1
  • Filed: 03/02/2006
  • Published: 08/17/2006
  • Est. Priority Date: 04/05/2002
  • Status: Active Grant
First Claim
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1. A wireless ultrasonic controller, consisting of:

  • at least one piezoelectric transducer, capable of converting between ultrasonic signals and electrical signals;

    a power source, for providing power;

    a data storage device, for storing information; and

    , a microprocessor, for performing functions associated with the controller and directing information to the display.

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