System and method for adaptive digital ramp current control

Facsimile and static presentation processing – Facsimile – Picture signal generator

Reexamination Certificate

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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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