Process control interface system for managing measurement data
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United States of America Patent
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Feb 14, 1989
Issued Date -
N/A
app pub date -
May 16, 1986
filing date -
Apr 30, 1985
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A method of controlling a process using a programmed digital computer with a set of process control programs. An operator control program allows the user to select and run a specified process and to collect measurement data while the selected process is run. A data analysis program enables interactive computer controlled data analysis, including displaying a trand chart depicting a sequence of data points, each data point representing at least a portion of the measurement data collected and stored while running a selected process. A selectably positionable pointer is displayed on the trend chart for pointing at an individual data point so that the user can select and perform a predefined task on the measurement data stored in the data structure corresponding to the data point being pointed at by said selectably positionable pointer.
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