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Process monitoring system and a window displaying method therefor

  • US 5,412,400 A
  • Filed: 11/22/1991
  • Issued: 05/02/1995
  • Est. Priority Date: 11/24/1990
  • Status: Expired due to Fees
First Claim
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1. A window displaying method for a display device included in a process monitoring system for a plant, comprising the steps of:

  • preparing a plurality of process monitoring display frames to be displayed on the display device, and preparing a plurality of window frames to be displayed in windows which are opened in the process monitoring display frames;

    preregistering in a memory, for at least one display frame of said plurality of process monitoring display frames, a first window area for display of a window at a position of relatively low importance with respect to information content of said display frame under a first process condition and a second window area for display of a window at a different position of relatively low importance with respect to information content of said display frame under a second process condition; and

    displaying a selected one of the window frames in a selected window area selected on a basis of an existing process condition and corresponding to one of said first window area and said second window area upon a request for a window display within said display frame.

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