LCD-based printing apparatus for printing onto high contrast photosensitive medium
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United States of America Patent
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May 18, 2004
Grant Date -
N/A
app pub date -
Apr 24, 2003
filing date -
Apr 24, 2003
priority date (Note) -
Expired
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Abstract
A printing apparatus (110) for selectively printing an image from image data either onto any member of a set of photosensitive media (140), including a first photosensitive medium (140) having a relatively low contrast response and a second photosensitive medium (140) having a relatively high contrast response. The printing apparatus (110) uses a spatial light modulator (136) for forming an image, having at least a first set of setup voltage conditions for printing onto the first photosensitive medium (140) and a second set of setup voltage conditions for printing onto the second photosensitive medium (140). An adjustable polarizing component in the path of output light from the spatial light modulator (136), has at least a first contrast setting for the first photosensitive medium (140) and a second contrast setting for the second photosensitive medium (140). A control logic processor (112) selectively sets at least either said first set of setup voltage conditions or said second set of setup voltage conditions for the photosensitive medium (140).
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