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United States of America Patent
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N/A
Issued Date -
Mar 3, 2011
app pub date -
Sep 2, 2010
filing date -
Sep 3, 2009
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
A barcode scanner. A lens set receives a barcode image and includes a first plastic lens, a second plastic lens, a diaphragm, a third plastic lens, and a low-pass filter sequentially arranged along an optical axis of the lens set. The first and third plastic lenses comprise convex lenses. The second plastic lens comprises a concave lens. An imaging member is separated from the lens set by a predetermined distance. The low-pass filter is disposed between the third plastic lens and the imaging member. The barcode image received by the lens set is imaged on the imaging member.
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