Appeal No. 2000-2237
Application 08/723,712
duplicate registration in Schellinger since Schellinger,
employing a single protocol for both the cordless and cellular
modes of operation, should have no problem with duplicate
registration. Moreover, as indicated by appellants [reply brief-
page 8], while the examiner argues that the Nagashima feature of
transmitting a reverse channel message without receiving a
forward channel message should be incorporated into Schellinger
to avoid a double registration problem, this does not appear to
be the feature that solves the problem of double registration in
Nagashima. Rather, Nagashima solves the double registration
problem by first receiving a forward channel message conveying an
area identification code at the handset and then transmitting an
acknowledgment which conveys the same area identification code.
Thus, again, there would appear to be no convincing
rationale for making the combination of Schellinger and Nagashima
and, even if made, the combination would not provide for the
claimed subject matter wherein a single transceiver operates in
accordance with first and second wireless control protocols.
Moreover, the last paragraph of claim 1 requires a switching
means for “automatically” setting the handset transceiver to
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