Optical element and device for providing uniform irradiance of a surface
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United States of America Patent
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Jun 11, 1996
Grant Date -
N/A
app pub date -
Sep 29, 1994
filing date -
Sep 29, 1994
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
An optical element uniformly distributes radiant energy on a target surface, such as for discharging an area of a photoreceptor in a xerographic printer, or for applying infrared energy to dry an ink-jet image. A cylinder lens collimates light beams from a light source and directs the collimated light beams to a preselected area on the target surface. First and second refractive portions, each attached to and extending parallel to the cylinder lens, totally internally reflect light beams from the light source and direct the light beams reflected therein to the target surface.
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