APPARATUS AND METHOD TO MINIMIZE BLUR IN IMAGERY PRESENTED ON A MULTI-DISPLAY SYSTEM
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United States of America Patent
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Issued Date -
Jul 31, 2008
app pub date -
Jan 28, 2008
filing date -
Jan 26, 2007
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
From fast moving objects in a video image sequence may appear slightly blurred. A multi-display system including two liquid crystal displays (LCDs) viewed simultaneously via a beam combiner reduces motion blur. The displays operate in time sequential relation, e.g., by alternately and sequentially displaying an image on one LCD while blanking the other LCD and vice versa, by alternately and sequentially turning on and off respective light sources illuminating the LCDs, or by both the foregoing. Alternate sequencing also can be achieved using active shutter glasses to distinguish images for viewing based on optical polarization, possibly with a delay to allow time for image stabilization. Another approach alternates displaying odd lines on a first LCD while blanking even lines and vice versa for the second LCD; and then switching to display even lines on the first LCD while blanking odd lines and vice versa for the second LCD.
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