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CAPACITIVE STYLUS FOR A TOUCH SCREEN

  • US 20120068964A1
  • Filed: 08/19/2011
  • Published: 03/22/2012
  • Est. Priority Date: 09/22/2010
  • Status: Active Grant
First Claim
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1. An apparatus comprising:

  • a capacitive sense array comprised of rows and columns of electrodes, configured to detect a presence of a passive touch object and a stylus, wherein the capacitive sense array is configured to receive a signal from the stylus via capacitive coupling; and

    a processing device, coupled to the capacitive sense array, configured to receive the signal received by the capacitive sense array, wherein the processing device is further configured to synchronize the capacitive sense array to the stylus based on the signal received by the capacitive sense array.

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