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Stylus input system

  • US 8,436,837 B2
  • Filed: 02/25/2010
  • Issued: 05/07/2013
  • Est. Priority Date: 02/25/2010
  • Status: Active Grant
First Claim
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1. A method for enabling stylus input on a display device coupled to a computer processor, the method comprising:

  • detecting, via a stylus control unit coupled with the computer processor and display device, the presence of a stylus within a display area of the display device, wherein a current video source associated with the display device is interrupted upon detection of a stylus within the display area of the display device;

    displaying, via a stylus control unit, a pair of graphical image frames on the display device, wherein the pair of image frames comprises of a first image frame including a first luminescent image and a second image frame including a second luminescent image, wherein the image frames interrupt a current video source of the display;

    receiving, at the stylus control unit, luminescent measurement data transmitted from the stylus; and

    determining, via a stylus control unit, stylus position information based on the received luminescent measurement data.

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