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Ultrasonic touch sensor with a display monitor

  • US 9,170,668 B2
  • Filed: 02/04/2013
  • Issued: 10/27/2015
  • Est. Priority Date: 02/02/2012
  • Status: Active Grant
First Claim
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1. A touch screen display comprising:

  • a display monitor for providing a visual image; and

    an ultrasonic device able to emit an ultrasonic energy wave, and able to detect reflected ultrasonic energy;

    wherein the display monitor is comprised of layers, at least one of which is an internal layer, and the ultrasonic device includes a transducer comprised of at least one layer, and the ultrasonic transducer is attached to one of the internal layers of the display monitor; and

    wherein the ultrasonic device is located among elements of the display monitor comprising a pixel, such that the pixel comprises a plurality of light emitting cells and the ultrasonic device.

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