Gyricon platen cover for show-through correction

Details Gyricon platen cover for show-through correction Gyricon platen cover for show-through correction

2005-04-12

2005-04-12

Le, Thien M. (Department: 2876)

Registers

Coded record sensors

Particular sensor structure

C358S494000, C358S474000, C358S497000

Reexamination Certificate

active

06877659

ABSTRACT:
A gyricon platen cover provides a black background behind an original document and a white background surrounding the document to mitigate show-through of the back side of the document while the front side of the document is being scanning. The gyricon platen cover also provides a black background for the document for pre-scan detection of the location of the edges of an original document for electronic registration, electronic skew correction and automatic magnification selection during scanning of the original document.

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