Signal enhancement

  • US 9,430,075 B2
  • Filed: 04/30/2015
  • Issued: 08/30/2016
  • Est. Priority Date: 02/07/2012
  • Status: Expired due to Fees
First Claim
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1. A method to enhance a signal comprising:

  • receiving a determined location of a device on a surface of a touch screen, wherein the location is determined based on detection of the device on the surface of the touch screen;

    detecting a first signal and a direction of the first signal from the device with two or more wireless signal detectors, wherein the two or more wireless signal detectors are located on or near the touch screen, and wherein the two or more wireless signal detectors are configured for beamforming; and

    enhancing a second signal from the device with beamforming based, at least in part, on the location of the device and the detected first signal from the device.

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