Appeal No. 2000-0142 Page 4
Application No. 08/705,569
voltage, a second input terminal coupled to the
reference resistor, and an output,
a low-pass filter coupled between the reference
resistor and the second input terminal of the
differential amplifier,
a current amplifier for deriving a second
current and having an input coupled to the output of
the differential amplifier, and
second means coupled to the current amplifier
and to the first means for controlling the first
current dependent upon the second current, and
wherein
the reference resistor is independent of and is
not a part of the current amplifier.
(Appeal Br. at 22.)
Besides the appellants’ admitted prior art (“AAPA”), the
prior art applied by the examiner in rejecting the claims
follows:
De La Plaza et al. (“De La Plaza”) 4,703,249
Oct. 27, 1987
Seki et al. (“Seki”) 4,017,749 Apr. 12,
1977.
Claims 1-10, 14, 15, 19, and 20 stand rejected under 35 U.S.C.
§ 112, ¶ 2, as being indefinite. (Final Rejection at 3.)
Claims 18-20 stand rejected under 35 U.S.C. § 102(b) as
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