Registers – Records – Particular code pattern
Reexamination Certificate
2008-02-05
2009-10-20
Le, Thien M. (Department: 2887)
Registers
Records
Particular code pattern
C235S487000
Reexamination Certificate
active
07604182
ABSTRACT:
A substrate having a coding pattern disposed on a surface thereof. The coding pattern comprises a plurality of target elements defining a target grid. The target grid comprises a plurality of cells, wherein neighboring cells share target elements. A plurality of data elements are contained in each cell. Tags are defined by a plurality of contiguous cells and each tag comprises respective local tag data encoded by a respective set of the data elements. The data elements encode data values by pulse position modulation, which facilitates low-pass filtering during image processing.
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Lapstun Paul
Silverbrook Kia
Le Thien M.
Silverbrook Research Pty Ltd
Taylor April A
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