Data handling system for a pattern generator
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United States of America Patent
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-
Oct 28, 1986
Issued Date -
N/A
app pub date -
Oct 26, 1983
filing date -
Oct 26, 1983
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
This data processing system for a pattern generator receives data specifying each quadrilateral element in a pattern to be generated by laser scanning or other technique. The scanning is accomplished by swaths. In the preprocessor, separate vectors are produced for the portion of each quadrilateral edge in each swath. A real time processor, including a 'pipeline' or cascaded set of beam processors, is used to generate a bit map from these clipped edge vectors. The bit map itself is skew compensated to take into account relative movement between the laser scanner and the target during pattern generation.
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