Coding pattern comprising tags with x and y coordinate data divided into respective halves of each tag
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United States of America Patent
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Issued Date -
Mar 28, 2013
app pub date -
Nov 22, 2012
filing date -
Feb 8, 2007
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
A substrate has disposed on a surface a coding pattern. The coding pattern includes a plurality of tags each comprising x-coordinate data and y-coordinate data. A y-axis is nominally defined as north-south and an x-axis is nominally defined as east-west. The coding pattern further includes a plurality of data elements contained in each tag. The x-coordinate data is represented by a first set of data elements and the y-coordinate data is represented by a second set of data elements. The first set of data elements includes two replications of the x-coordinate data, a first replication of the x-coordinate data positioned in a western half of said tag and a second replication of the x-coordinate data positioned in an eastern half of said tag. The first replication of the x-coordinate data is positioned within one tag distance of a second replication of x-coordinate data of an adjacent tag.
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Cited Art Landscape
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