Error detection apparatus and method for use with engravers
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United States of America Patent
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Aug 1, 1995
Issued Date -
N/A
app pub date -
Mar 26, 1993
filing date -
Feb 25, 1993
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Abstract
An error detection apparatus and method for use with engravers, such as gravure engravers. An error value E corresponding to the difference between a set of predetermined setup parameters and actual measurement of a portion of an engraved area on the cylinder is determined. The error value E is then used to adjust the engraver to engrave an actual cut or etch in accordance with the set of predetermined setup parameters. Advantageously, an error detection and correction system is suitable for providing a closed-loop system for engraving a cylinder. The apparatus and method may be used during initial setup or during normal operation of the engraver.
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