Laser printer using multiple sets of lasers with multiple wavelengths
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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-
May 16, 2000
Grant Date -
N/A
app pub date -
Mar 31, 1998
filing date -
Mar 31, 1998
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A color printer for imaging on an image plane includes: (a) a plurality of light sources, each of the light sources being adapted to provide a spatially coherent, composite beam of light, each of the composite beams including a plurality of spectral components; (b) a single beam shaping optics accepting the composite beams, the beam shaping optics having optical elements adapted to shape said composite beams by a different amount in a scan direction and a cross scan direction, so as to form for each of the composite beams (i) a first beam waist in the cross scan direction of the composite beam and (ii) a second waist in the scan section of the composite beam, the first and second beam waists being spaced from one another; (c) a deflector adapted to move said plurality of composite beams across the image plane, the deflector being located closer to the first beam waists than to the second beam waists; and (d) scan optics located between the deflector and the image plane, the scan optics being adapted to (i) geometrically conjugate said deflector to the photosensitive medium in the cross scan direction of each composite light beam for each of the spectral components, and (ii) re-image the first and second waists onto the image plane.
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