Appeal No. 97-1694
Application 08/351,064
diodes in the [IBM] CMOS Drivers reference must prevent a
current (some current) from flowing in the bus line when
no signal is transferred through the bus line in the same
manner as the instant invention.
We refer to the Final Rejection (Paper No. 10) and the
Examiner's Answer (Paper No. 19) (pages referred to as "EA__")
for a statement of the examiner's position and to the Brief
(Paper No. 18) (pages referred to as "Br__") for appellants'
position.
OPINION
Claims 40 and 55
Claims 40 and 55 seem strangely worded because they
recite "no current flowing in the bus when no signal is
transmitted via the bus" (emphasis added), whereas appellants
describe that a characteristic of the invention is that "no
current flows in the termination unit 241 as long as no signal
is transmitted via the bus line 240" (emphasis added) (Br5).
Appellants argue that "referring to Fig. 26 of the subject
application, when no signal is transmitted via the bus line,
no current flows along a path including V , diode 242,
CCQ
diode 213 [sic, 243] and ground in this order" (Br10), which
refers to current through the termination unit rather than the
bus. The specification describes that "it is possible to
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