Product provided with a coding pattern and apparatus and method for reading the pattern
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United States of America Patent
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Sep 15, 2009
Grant Date -
Apr 13, 2006
app pub date -
Nov 8, 2005
filing date -
Oct 1, 1999
priority date (Note) -
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Abstract
A product provided with a coding pattern which comprises a plurality of marks, each of which represents one of at least two different values, and which further comprises a plurality of nominal positions, each of said plurality of marks being associated with a nominal position and the value of each mark being determined by its location relative to its nominal position. The invention also comprises use of the product.
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