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United States of America Patent
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N/A
Issued Date -
Jan 14, 2010
app pub date -
Jul 10, 2009
filing date -
Jul 11, 2008
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A system for obtaining a signature from a scan area on the surface of an article comprises: a signature generator that generates the signature from scattered coherent radiation detected from a plurality of points on the surface and includes a scan head comprising a coherent radiation source and photodetectors; a camera for capturing an image of the surface; a comparator that compares the captured image with a reference image to determine the location and orientation of the scan area; and a drive assembly that positions the scan head appropriately for generating a signature from the scan area in response to the determination of the location and orientation of the scan area.
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