Device for scanning the geometrical pattern of a mark of an object
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United States of America Patent
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Apr 15, 1997
Grant Date -
N/A
app pub date -
May 11, 1995
filing date -
May 11, 1994
priority date (Note) -
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Abstract
A device for determining from one or more different directions the geometrical pattern of a mark being randomly shaped in three dimensions and being embedded in a transparent material and securely fixed to an object. A radiation source is designed to emit radiation to a matrix of radiation detectors. The object is placed with the mark in the path of the radiation for projecting a silhouette of the mark onto the matrix of radiation detectors by the radiation sources.
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Cited Art Landscape
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