Optical system for the correction of differential scanline bow
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United States of America Patent
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Jun 11, 1996
Grant Date -
N/A
app pub date -
Dec 19, 1994
filing date -
Dec 19, 1994
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
The present invention is an apparatus for eliminating differential scanline bow in a raster output scanner (ROS) printing system. The apparatus employs a field lens device at the output of a pre-scanning optical assembly in order to direct the laser beams toward the scanning surface, or facet, at a right angle to the scanning surface, thereby eliminating a source of scanline bow.
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