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Stylus communication with near-field coupling

  • US 10,509,451 B2
  • Filed: 03/01/2018
  • Issued: 12/17/2019
  • Est. Priority Date: 09/28/2012
  • Status: Active Grant
First Claim
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1. A method comprising:

  • receiving, at a device, first data transmitted from a stylus by near-field communication, wherein the first data comprises a strength of a magnetic field as measured by the stylus;

    determining, at the device, a hover distance of the stylus in reference to the device based at least in part on the first data; and

    operating the device based at least in part on the hover distance of the stylus.

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