Registers – Records – Particular code pattern
Reexamination Certificate
2008-07-24
2011-12-06
St. Cyr, Daniel (Department: 2876)
Registers
Records
Particular code pattern
C235S454000
Reexamination Certificate
active
08070071
ABSTRACT:
A method of imaging a coding pattern disposed on a surface of a substrate. The method comprises the steps of: (a) capturing an image of a portion of the coding pattern; and (b) low-pass filtering said captured image so as to obscure data elements and preserve target elements. The coding pattern comprises and target elements and data elements, which encode data values by multi-pulse position modulation.
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Cyr Daniel St.
Silverbrook Research Pty Ltd
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