SWITCHABLE 3D STEREOSCOPIC AND 2D MULTIPROGRAM VIEWING SYSTEM AND METHOD
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United States of America Patent
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app pub date -
Oct 15, 2010
filing date -
Oct 15, 2010
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Abstract
Systems and methods for concurrently displaying two different 2D video programs on a screen of a stereoscopic 3D-enabled video viewing system. A control unit switches active shutter glasses in synchrony with the display of frames on the display screen, such that both shutters are open when frames corresponding to a first program are displayed, and both shutters are closed when frames corresponding to a second program are displayed, so that a viewer wearing the glasses sees only the first program. For higher refresh rate displays, more than two different programs can be displayed concurrently by interleaving the display of frames from more than two programs. Multiple viewers, each with a pair of active shutter glasses, can each independently choose the program they wish to watch on the single display screen. This viewing mode may leverage the 3D broadcast content delivery chain, or alternatively use appropriately encoded video stored on DVD, hard disk, or other storage.
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