Method for selecting and adjusting scanner illuminant

Details Method for selecting and adjusting scanner illuminant Method for selecting and adjusting scanner illuminant

2011-07-05

2011-07-05

Tran, Douglas Q (Department: 2625)

Facsimile and static presentation processing

Facsimile

Picture signal generator

C358S514000

Reexamination Certificate

active

07973981

ABSTRACT:
A scanner includes a first illuminant device having a first power associated therewith, and a second illuminant device having a second power associated therewith. The first power is greater than the second power, and each of the first illuminant device and the second illuminant device is configured to selectively scan a document. The scanner is configured to select one of the first illuminant device and the second illuminant device based, at least in part on, a level of power supplied to the scanner via a power source, and perform a single scan of the document using only the selected one of the first illuminant device and the second illuminant device.

REFERENCES:
patent: 5777508 (1998-07-01), Sawanobori

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