Color spatial light modulator and color printer using the same
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United States of America Patent
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Aug 3, 1999
Grant Date -
N/A
app pub date -
Dec 11, 1996
filing date -
Dec 12, 1995
priority date (Note) -
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Abstract
A color spatial light modulator has red, green, and blue micromirror arrays juxtaposed in parallel. Each micromirror array has a number of micromirrors each formed with a filter for reflecting specific color light. As data '1' is written to a memory cell of an SRAM, the micromirror tilts by +.theta. and enters a valid reflection state in which spot light is utilized. As data '0' is written, the micromirror tilts by -.theta. and enters an invalid reflection state in which spot light is not utilized. A data write control circuit converts image data into mirror drive data and writes it to SRAM. Three-color parallel line light beams generated by the three-color micromirror arrays are projected by a projector lent onto color paper. A three-color image is printed line sequentially on the color paper.
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