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Above-and-below stereoscopic format with signifier

  • US 20030007070A1
  • Filed: 03/29/2002
  • Published: 01/09/2003
  • Est. Priority Date: 03/29/2001
  • Status: Active Grant
First Claim
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1. A stereoscopic video system having a graphics controller providing video output to a monitor and a user observing the monitor through a selection device, wherein the video output is a plurality of video fields each have a top subfield and a bottom subfield with a blanking area therebetween, and wherein the top subfield includes an active video area providing image content of one perspective and the bottom subfield includes an active video area providing image content of another perspective, and wherein the blanking area provides a sync pulse to refresh the monitor, the improvement comprising:

  • embedding a video code into the active video area of a subfield, wherein the video code signifies the order of the perspective images;

    detecting the video code; and

    controlling the selection device based on the video code detection.

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