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US 6,644,658 B2Granted
Overhanging paper guide for a scanner
AssigneeAvision Inc.
InventorsThomas Sheng, Chi-Yao Chen
Life of this patent
Estimating the term…
Abstract
The paper guide for a scanner has an upper guide and two lower guides: the inlet lower guide and the outlet lower guide. The inlet lower guide overhangs over an output lower guide and is separated by a gap in the direction of the paper movement. The paper is scanned at the gap by the scanning light.
Claims1
A paper guide of a scanner for feeding a document over a scan window scanned by a light source, comprising:
- an upper guide;
- a paper outlet lower guide under said upper guide;
- a paper inlet lower guide under said upper guide and overhanging over said paper outlet lower guide, wherein said upper guide, said outlet lower guide and said inlet power guide are concave downward;
- and
- a gap separating said paper outlet lower guide and said paper inlet lower guide in the direction of the movement of said document, and at which said document is exposed to a light source.
2 more elements
Dependencies are inferred from the claim text.