Facsimile and static presentation processing – Facsimile – Recording apparatus
Patent
1995-04-27
1997-09-23
Frahm, Eric
Facsimile and static presentation processing
Facsimile
Recording apparatus
B41C 102
Patent
active
056710631
ABSTRACT:
An engraving system for engraving printing cells in a gravure printing cylinder uses a video camera for feedback control of printing cell width. A setup procedure for the engraving system involves engraving an isolated test cell and a series of adjacent test cells, the latter being engraved under steady state engraving conditions. The isolated test cell is located through a search sequence which establishes a strobe control count for a strobe trigger unit. The strobe control count then is adjusted for steady state engraving by acquiring and centering a steady state test cell. Cell width is measured by creating video runtable sets for a plurality of overlapping video boxes and finding a maximum connected run length which meets predetermined acceptance criteria.
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Auberry Eric R.
Flannery David L.
Jackson Kenneth William
Seitz David R.
Serenius Eric J.
Frahm Eric
Ohio Electronic Engravers, Inc.
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