Appeal No. 96-0023
Application 07/958,046
The invention relates to a computer-based process
controller including graphical display of selected process
attributes.
The independent claim 1 is reproduced as follows:
1. A method of generating graphical display of process
attributes in a computer-based process controller,
comprising:
storing a history of underlying process
attributes for a plurality of points in time
during the operation of a process being
controlled;
displaying a graphical representation of said
process being controlled;
selecting a portion of the graphical
representation and a point in time for which
underlying process attributes from said history
are to be displayed; and
displaying said underlying process attributes of
the selected portion of the graphical
representa-tion for the selected point in time,
substantially simultaneous with the display of
said graphical representation.
The Examiner relies on the following references:
Hitchens et al. (Hitchens) 4,512,747 Apr. 23, 1985
Nigawara et al. (Nigawara) 0,389,132 Sep. 26,
1990
(European Patent)
Knoop et al., "Optimal Person-Machine Interface for the
2
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