Scanning module
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United States of America Patent
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Apr 20, 2010
Grant Date -
Mar 10, 2005
app pub date -
Aug 5, 2004
filing date -
Aug 15, 2003
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A scanning module is used in a scanner with a glass for placing documents. The scanning module contains a convergent lens set comprised of lenses with different curvatures and a long-stripe shape lined up from a reflector, and starting with the reflector, the lengths of the lenses are shorter and shorter one by one. All the light reflected by the document can be converged by the convergent lens set to an image sensor so that an optimal image completely falls in the image sensor. The convergent lens set shortens the length of the scanning module, rendering a compact scanner.
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