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Active stylus for touch sensing applications

  • US 9,158,393 B2
  • Filed: 12/17/2013
  • Issued: 10/13/2015
  • Est. Priority Date: 12/18/2012
  • Status: Active Grant
First Claim
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1. A stylus adapted for use with a touch sensing device, comprising:

  • a conductive tip;

    a memory unit configured to store a first data set and a second data set, wherein the first data set comprises information about a first capacitive sensing process that is performed by a first type of touch sensing device and the second data set comprises information about a second capacitive sensing process that is performed by a second type of touch sensing device;

    a controller configured to compare capacitive sensing signal data received from a touch sensing device with the first data set and the second data set; and

    a generator assembly configured to deliver a capacitive sensing controlling signal to the conductive tip, wherein the capacitive sensing controlling signal is derived from the comparison of the received capacitive sensing signal data with the first data set performed by the controller.

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