TWO-DIMENSIONAL CODE SCANNER WITH GUIDE ILLUMINATION
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United States of America Patent
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Issued Date -
Nov 13, 2008
app pub date -
May 10, 2007
filing date -
May 10, 2007
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
A bar code scanner is disclosed which may include an LED. The LED includes a light source that emits light. The bar code scanner may also include a lens set. The lens set includes a back side and a front side. The front side includes a plurality of spherical lobes. When light from the light source is incident on the back side of the lens set, each of the spherical lobes preferably focuses the light into a light beam, which is then generated from each of the lobes. In certain embodiments of the invention, the LED can be mounted on the back side of a circuit board in such a fashion as to protrude through the aperture in the circuit board and then to shine light on the lens set.
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