Optical scanner providing compensation for non-uniform bulb...

Details Optical scanner providing compensation for non-uniform bulb... Optical scanner providing compensation for non-uniform bulb...

2006-06-27

2006-06-27

Lee, Cheukfan (Department: 2627)

Facsimile and static presentation processing

Natural color facsimile

Scanning

C358S514000, C358S513000, C358S512000, C358S505000, C358S504000, C358S475000, C358S497000, C358S474000, C358S406000

Reexamination Certificate

active

07068402

ABSTRACT:
An optical scanner includes a CCD and a light monitor window (“LMW”) and a black region adjacent the LMW. The LMW is imaged to provide feedback signals for Red, Green and Blue channels of the CCD. The black region is imaged to remove flare from the feedback signals. The flare-corrected feedback signals may be supplied to gain compensation controls.

REFERENCES:
patent: 5822052 (1998-10-01), Tsai
patent: 6178015 (2001-01-01), Lee et al.
patent: 6330083 (2001-12-01), Nabeshima et al.
patent: 6650445 (2003-11-01), Witte et al.
patent: 6954292 (2005-10-01), Inoue

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