Data processing: measuring – calibrating – or testing – Measurement system – Time duration or rate
Reexamination Certificate
2004-03-31
2009-08-25
Wachsman, Hal D (Department: 2857)
Data processing: measuring, calibrating, or testing
Measurement system
Time duration or rate
C702S127000, C702S176000, C702S187000, C700S306000
Reexamination Certificate
active
07580810
ABSTRACT:
A method and apparatus for determining a measuring point in time (tM), at which a measured value is to be produced by a field device of process automation technology, wherein the field device communicates its measured values at certain communication points in time (tK) over a field bus following a query from a central control unit with regard to the measured values of the field device. The communication point in time (tf) is approximated from at least two communication points in time (tK, t′K) and the measuring point in time (tM) is determined on the basis of the approximated communication point in time (tf).
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Bacon & Thomas PLLC
Endress & Hauser GmbH & Co. KG
Wachsman Hal D
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