Display of historical information related to field devices used in process control plants
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United States of America Patent
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Oct 6, 2009
Grant Date -
Sep 28, 2006
app pub date -
Jun 6, 2005
filing date -
Mar 28, 2005
priority date (Note) -
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status (Latency Note)
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Abstract
A management system (managing field devices of a process control plan) provided according to an aspect of the present invention enables a user to view historical menus (i.e., the menus as displayed at desired prior time points). Such a feature is enabled in an embodiment by storing displayed tree structure as well as associated item values.
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