Facsimile and static presentation processing – Facsimile – Recording apparatus
Patent
1995-04-03
1998-04-07
Frahm, Eric
Facsimile and static presentation processing
Facsimile
Recording apparatus
B41C 104
Patent
active
057370907
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. Other features include an autofocus routine to facilitate the auto-focus procedure. Also, image processing is further enhanced by gap filling, discontinuity removal, and light calibration methods which may be used alone, in combination with each other, or in combination with the automatic focus system and/or automatic shoe system.
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Christopher Michael Duane
Flannery David
Serenius Eric J.
Setiz David R.
Zhao Wei
Frahm Eric
Ohio Electronic Engravers, Inc.
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