Auto-stereo three-dimensional images
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United States of America Patent
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Jan 19, 2010
Grant Date -
Apr 14, 2005
app pub date -
Oct 8, 2003
filing date -
Oct 8, 2003
priority date (Note) -
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Abstract
There is described a method for providing auto-stereo three-dimensional views from a plurality of points of view, the method comprising: providing an image on a substrate made of a medium of sufficient transparency to allow light therethrough, the image being made up of a plurality of cells; placing a barrier screen in front of the image to provide a parallax effect, the barrier screen consisting of an optical arrangement providing staggered apertures through which light can pass, each of the apertures defining a window onto one of the plurality of cells and configured such that a view of a neighboring cell is obstructed from all of the points of view; and illuminating the image using a light source.
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