Apparatus and method for engraving a gravure printing cylinder
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United States of America Patent
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Feb 4, 2003
Issued Date -
N/A
app pub date -
Sep 15, 1998
filing date -
Feb 25, 1993
priority date (Note) -
Expired
status (Latency Note)
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Abstract
An engraver having an engraving signal generating system for engraving a workpiece. The engraver includes a setup circuit enabling direct dimensional control of the cavities engraved by the engraver. Controls are provided for setting at least one of a plurality of parameters, such as a black cell width. These parameters are fed to the setup circuit which translates them into multiplication factors for an AC signal and a videosignal. The multiplied signals are combined with an offset signal to produce an engraving signal.
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