Marking system and method
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United States of America Patent
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Nov 17, 2015
Grant Date -
Oct 11, 2012
app pub date -
Apr 5, 2012
filing date -
Apr 5, 2012
priority date (Note) -
Withdrawn
status (Latency Note)
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Abstract
A system for use in identifying a user includes a portable emitter transported with the user. The emitter includes a quantum cascade laser configured to emit a thermal beam identifying a location of the user in response to a command, the thermal beam having a wavelength between approximately 2 μm and approximately 30 μm.
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