Stereoscopic projector using scrolling color bands
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United States of America Patent
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Feb 18, 2014
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Oct 3, 2011
filing date -
Oct 3, 2011
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Abstract
A color stereoscopic digital projection system having a plurality of color channels for projecting a color stereoscopic image, comprising: left-eye and right-eye image forming systems, each including a light sources for each color channel; a spatial light modulator, illumination optics arranged to receive the light beams and provide corresponding substantially uniform bands of light, beam scanning optics arranged to cyclically scroll the bands of light across the spatial light modulator, and a controller system that synchronously modulates the pixels of the spatial light modulator according to image data. The right-eye and left-eye light sources have corresponding spectrally-adjacent, substantially non-overlapping spectral bands falling within the same component color spectrum. The system also includes one or more dichroic filters for combining the imaging light arranged to selectively transmit the spectral bands from one of the image forming systems and selectively reflect the spectral bands from the other image forming system.
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