Systems and methods for reading indicium
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United States of America Patent
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Aug 7, 2012
Grant Date -
May 6, 2010
app pub date -
Dec 21, 2009
filing date -
Oct 25, 2004
priority date (Note) -
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Abstract
Detection systems that detect and decode machine-readable information and other indicia having varying spectral emissivity values are provided. The detection systems include a sensor, circuitry, and temperature influencing mechanism. The system may be connected to other hardware, such as a computer display screen, or audio emitting device. Meanwhile, the sensor detects differential emissivity values by measuring energy emitted from the targets of interest.
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