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Authenticating with active stylus

  • US 9,958,990 B2
  • Filed: 07/24/2012
  • Issued: 05/01/2018
  • Est. Priority Date: 10/28/2011
  • Status: Active Grant
First Claim
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1. An apparatus comprising:

  • a stylus comprising one or more electrodes for transmitting signals wirelessly to a device through a touch sensor of the device;

    one or more computer-readable non-transitory storage media within the stylus and embodying logic that is operable when executed to perform operations comprising;

    accessing first data representing a recently occurred authentication event involving the stylus or the device;

    accessing second data representing a pre-defined authentication event;

    comparing the first data with the second data; and

    based on the comparison, determining an access level from a first access level and a second access level, the first access level and the second access level each requiring authentication, the first access level enabling access to a plurality of actions, the second access level enabling access to a subset of the plurality of actions, the plurality of actions comprising;

    reading data on the stylus or the device;

    writing data on the stylus or the device; and

    accessing administrative or security settings on the stylus or the device.

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