Electrophotography – Image formation – Charging
Reexamination Certificate
2004-11-24
2010-11-16
Gray, David M (Department: 2852)
Electrophotography
Image formation
Charging
C399S026000, C399S050000, C399S115000, C399S116000, C399S169000
Reexamination Certificate
active
07835668
ABSTRACT:
Imaging methods, imaging member charging methods, and image engines are described. According to one embodiment, an imaging method includes providing an imaging member having an outer surface comprising a plurality of portions having a plurality of different radii, rotating the portions of the outer surface of the imaging member adjacent to a charge device configured to provide an electrical charge to the imaging member which is usable for imaging, first controlling a position of the charge device with respect to one of the portions of the outer surface of the imaging member using the one of the portions of the outer surface at one moment in time, second controlling a position of the charge device with respect to an other of the portions of the outer surface of the imaging member using a positioning control system at an other moment in time, and using the charge device, providing the electrical charge to the one of the portions of the imaging member at the one moment in time.
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Gila Omer
Lee Michael H.
Gray David M
Hewlett--Packard Development Company, L.P.
Wong Joseph S
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