Document scanner with gravitational registration

Details Document scanner with gravitational registration Document scanner with gravitational registration

1997-03-21

1998-10-27

Epps, Georgia Y.

Facsimile and static presentation processing

Facsimile

Picture signal generator

H04N 104

Patent

active

058284699

ABSTRACT:
A substantially vertical contact scanning assembly records both sides of a document in a memory. In one embodiment, the vertical contact imaging assembly is a pair of two-dimensional sensor arrays. The document is fed between the pair of two-dimensional sensor arrays when they are space apart from each other using gravity. A registration stop positioned under the vertical contact imaging assembly aligns one edge of the document with an edge of the pair of two-dimensional sensor arrays. Once properly registered, the pair of two-dimensional sensor arrays are brought into contact with the document. After recording an electronic representation of both sides of the document, the two-dimensional sensor arrays are spaced apart from each other. Subsequently, the document is released into an output tray using gravity by lowering one edge of the registration stop.

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Toshiba, Data Book for CCD Linear Image Sensor, 1993, p. 37 and p. 525.
U. S. Patent Application 08/584,792 entitled "Show-Through Correction for Two-Sided Documents" to Keith T. Knox, filed Jan. 11, 1996.

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