Printing – Processes – Position or alignment
Reexamination Certificate
2006-06-20
2006-06-20
Hirshfeld, Andrew H. (Department: 2854)
Printing
Processes
Position or alignment
C101S216000, C101S217000, C101S477000
Reexamination Certificate
active
07063018
ABSTRACT:
A system for determining the location of an edge of a sheet of media for alignment purposes utilizes a beam of light directed at the media surface to produce a reflected light beam. The reflected light beam intensity varies in response to the reflectivity of the surface on which it impinges and the beam position shifts in accordance with the datum of the surface at which the reflected beam is originated. By monitoring both intensity and positional information of the reflected beam as it is scanned across the media edge, the edge location can be determined using a weighted combination of the intensity and positional information.
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Smythies Douglas Charles
Trautman Christopher Earl
Crenshaw Marvin P.
Eastman Kodak Company
Hirshfeld Andrew H.
Oyen Wiggs Green and Mutala
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