Incremental printing of symbolic information – Light or beam marking apparatus or processes – Scan of light
Reexamination Certificate
2005-05-11
2009-08-18
Feild, Joseph H (Department: 2627)
Incremental printing of symbolic information
Light or beam marking apparatus or processes
Scan of light
Reexamination Certificate
active
07576765
ABSTRACT:
A method for detecting and optimizing the quality of a mark made by a laser on a recording medium, comprising (a) recording a test mark at a selected level of laser power and a selected speed of movement of the recording medium, (b) measuring at least one dimension of the test mark, (c) comparing the at least one dimension of the test mark to a stored reference value for at least one reference dimension, and (d) determining whether the at least one dimension of the test mark is comparable to the at least one dimension of the stored reference value.
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Colburn Kevin L.
Hanks D. Mitchel
Taugher Lawrence N.
Feild Joseph H
Haley Joseph
Hewlett--Packard Development Company, L.P.
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