Diffuse light ring for reading encoded symbols
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United States of America Patent
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N/A
Issued Date -
Jul 5, 2007
app pub date -
Dec 30, 2005
filing date -
Dec 30, 2005
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
A scanning device includes a light ring that is constructed of light emitting diodes that are directed toward the center of the ring and emit diffuse light over a radiation spectrum having an angle of greater than ninety degrees. The light ring provides both low angle and high angle light, and therefore dark and bright field illumination.
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