Facsimile and static presentation processing – Facsimile – Picture signal generator
Reexamination Certificate
2007-01-31
2010-11-09
Grant, II, Jerome (Department: 2625)
Facsimile and static presentation processing
Facsimile
Picture signal generator
C347S128000, C250S2140AL, C250S2140AG, C250S227210
Reexamination Certificate
active
07830560
ABSTRACT:
An adaptive digital ramp current control system comprises a digital current ramp controller configured to digitally ramp a current level supplied to at least one light emitting diode (LED) according to a predetermined ramp profile, the ramp profile comprising at least one intermediate current level step between a minimum current level and a maximum current level.
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Allman Stuart
Johnson Craig T.
Smith Kenneth K.
Grant II Jerome
Hewlett--Packard Development Company, L.P.
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