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Tracking approaching or hovering objects for user-interfaces

  • US 10,394,389 B2
  • Filed: 10/01/2018
  • Issued: 08/27/2019
  • Est. Priority Date: 10/23/2008
  • Status: Active Grant
First Claim
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1. A device, comprising:

  • a processor; and

    a memory that stores executable instructions that, when executed by the processor, facilitate performance of operations, comprising;

    based on a first intensity measurement of first electromagnetic radiation from a remote source and based on the first electromagnetic radiation being determined to comprise a wavelength greater than 300 nanometers, determining shadow data representative of a first position on the device of a shadow cast by a remote object;

    based on a second intensity measurement of second electromagnetic radiation from the remote object and based on the second electromagnetic radiation being determined not to comprise a wavelength greater than 300 nanometers, determining infrared data representative of a second position on the device exhibiting an increased infrared intensity relative to other positions on the device; and

    based on the shadow data and the infrared data, determining location data representative of a location of the remote object relative to the device.

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