Appeal No. 1999-1456
Application No. 08/864,750
Independent claim 2 is reproduced as follows:
2. A distributed control system for controlling material
flow within an industrial process, comprising:
a plurality of industrial process control field devices
for sensing or altering material flow within the
industrial process;
central control means connected via a primary hardwired
communication link to the industrial process control
field devices to communicate first signals between
the central control means and the industrial process
control field devices;
a first transceiver;
a second transceiver connected to at least one of the
industrial process control field devices, the
first
and second transceivers providing redundant two-way
wireless communications of second signals between
the first transceiver and the second transceiver.
The Examiner relies on the following reference:
Clark et al. (Clark) 5,666,530 Sep. 9, 1997
Claims 2 through 12 and 14 stand rejected under 35 U.S.C.
§ 103 as being unpatentable over Appellants admitted prior art
in view of Clark.
Rather than reiterate the arguments of Appellants and the
Examiner, reference is made to the brief and answer for the
respective details thereof.
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