Appeal No. 1997-0899
Application No. 08/127,268
station will actually receive its data. This approach would
consume additional power but would simplify the circuitry
necessary to implement this approach.
Regardless of which of the approaches described in
Mabey at column 1, line 57 to column 2, line 7 is selected,
each of these approaches clearly requires that the secondary
stations which are to receive messages be identified first in
the control slot information. Appellants’ argument that the
stations in
Mabey which are kept awake are not first identified in an
identifying step is simply incorrect.
We also note that the operation of the secondary
receivers described in Mabey appears to confirm that the steps
as recited in claim 1 are performed in Mabey. Mabey notes
that the counter 60 serves to make all the receivers awake
during the time that control information is being sent by the
transmitter [column 7, lines 9-13]. During receipt of this
control information, each secondary receiver uses ID 46 to
determine if a message is indicated for that particular
receiver. Station identification information must be sent
from the primary station to the secondary station in order for
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