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Blending multiple display layers

  • US 20070285439A1
  • Filed: 06/08/2006
  • Published: 12/13/2007
  • Est. Priority Date: 06/08/2006
  • Status: Active Grant
First Claim
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1. A method comprising:

  • combining two or more display layers to form an overlay layer;

    selectively processing the overlay layer based on processing information for the overlay layer recorded in memory;

    combining the overlay layer with a video layer to form an image for presentation on a display device;

    updating the image at a first change rate corresponding to a change rate associated with the video layer; and

    updating the overlay layer at a second change rate lower than the first change rate.

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