Appeal No. 96-3086
Application No. 08/306,906
Claims 46, 47, 66 and 67 stand rejected under 35 U.S.C.
§ 103 as unpatentable over Marui.
Reference is made to the briefs and answer for the
respective positions of appellants and the examiner.
OPINION
The examiner contends that Marui teaches the transmission
of a first RF signal to an RF transponder. While the examiner
never identifies exactly where, in Marui, this is taught, we
can agree that in the cellular mobile telephone environment of
Marui, such telephones are known to receive RF signals.
Figure 1 of Marui clearly discloses receipt of an RF signal
from antenna 13 through coupler 11 into a receiver 14.
The examiner further contends that the transponder of
Marui receives the RF signal and measures the value of its
signal strength. Again, we agree. Column 2, lines 48-54, and
the abstract of Marui clearly indicate that signal strength is
measured.
The examiner then contends that Marui teaches that the
transponder produces a multiple-bit digital representation of
the detected signal strength. We do not find this position to
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