Mark-coded surface with function flags
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United States of America Patent
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-
Nov 27, 2007
Grant Date -
May 8, 2003
app pub date -
Nov 12, 2002
filing date -
May 25, 1999
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A region having coded data thereon, wherein at least some of the coded data includes data indicative of a functional attribute of a part of the region. A sensing device for use with such a region, the sensing device for sensing and reacting to data indicative of a functional attribute of a part of the region.
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