Appeal No. 2000-0396
Application No. 08/527,886
The original invention disclosed a process control
terminal wherein means are provided for preventing
application data from overwriting process control data
by dedicating two fixed display screen portions for
both application and process control data thereby
preventing the different types of data from overwriting
one another. The reissue application claims to
eliminate the need for a screen portions [sic, portion]
to be fixed and dedicated by now allowing the different
types of data to share the same screen portions and
then preventing them from sharing the same screen area.
The examiner continues that "the original specification clearly
sets forth two predetermined screen portions for preventing
interference between application and process data."
Claims 60 and 61 recite that the process control information
is displayed on "a first predetermined portion" and the process
control information and the application information are displayed
on "separate portions." These recitations suggest to us that the
two types of information do not share the same screen portions,
but, rather, are displayed on separate predetermined screen
portions.
Likewise, claim 69 recites "a first portion of the display
screen reserved for the alarm indication" and application
information being displayed "in portions of the display screen
other than the first portion." Again, the process control data
and the application data are in separate predetermined portions
of the screen. Similarly, claim 73 recites first and second
portions and a step of "keeping said first portion of said
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