Scanning systems with polygon scanner having curved facets
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United States of America Patent
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-
Nov 25, 1986
Grant Date -
N/A
app pub date -
Feb 21, 1985
filing date -
Feb 21, 1985
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A raster scanner system having double reflection from polygon facet surfaces which have aspheric curvature. In addition to providing a scan which is free of astigmatism and bow, the aspheric surfaces provide the scan and focus functions of conventional scan lens optics.
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