High resolution laser imager for low contrast symbology
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United States of America Patent
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Dec 18, 2001
Grant Date -
N/A
app pub date -
Mar 29, 1996
filing date -
Mar 29, 1996
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
An apparatus that permits high resolution imaging of low contrast one and two-dimensional symbols includes a housing having a window and an electro-optical element disposed within the housing behind the window. At least two laser diodes are mounted externally to the housing adjacent to the window. The laser diodes respectively provide beams that intersect at a point within a field of view of the electro-optical element, and the beams provide light to the electro-optical element through the window that has reflected off a symbol positioned at the intersection point. The laser diodes may be selectively or automatically triggered upon the symbol being positioned at the intersection point.
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Cited Art Landscape
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