Appeal No. 95-3913
Application 07/910,219
press-talk signals from said terminals and generate a
notification signal when a press-talk signal from any one of said
terminals is active" as recited in Appellants' claim 1. Finally,
we find that Coviello teaches a central controller means, link 1-
linkJ and register 1050, coupled to the switching system,
switching circuit A and switching circuit B, for controlling the
switching system to cause the switching system to send voice
signals as recited in Appellants' claim 1. Therefore, we will
sustain the Examiner's rejection of claim 1.
Appellants argue that Coviello and Rasmussen fail to teach
the specific limitations of claims 2 through 12. After a careful
review of the references, we agree that Coviello and Rasmussen
fail to teach the specific limitation recited in Appellants'
claims 2 through 6, 8 and 10 through 12. However, Coviello
teaches in Figure 9 that the press-talk trunk, station circuits
1-N, is coupled to the terminals, station sets 1-N, by wires and
receives signals directly from the terminals, station sets 1-N,
as set forth in Appellants' claim 7. Furthermore, we find that
it would have been obvious to those skilled in the art to provide
for at least one of the terminals to be portable as set forth in
Appellants' claim 8. We note that portable hand set telephones
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