Appeal No. 1998-1503
Application No. 08/676,907
target current, and to turn off the current through the
excitation coil when the actual current exceeds the target
current, so that the current through the excitation coil is
repeatedly switched off and on as long as the reference signal
prevails at the one input of the comparator,
whereby the excitation coil is controlled by both the
duration and amplitude of the reference signal to the
comparator.
The examiner relies on the following references:
Takahashi
4,377,144 Mar. 22, 1983
Suquet 4,944,281 Jul. 31, 1990
In addition, the examiner relies on admitted prior art [APA],
at page 1 of the specification, regarding the notoriety of
using reciprocating pumps to drive fuel injectors.
Claims 2 and 3 stand rejected under 35 U.S.C. § 103 as
unpatentable over Suquet in view of APA and Takahashi.
Reference is made to the briefs and answer for the
respective positions of appellant and the examiner.
OPINION
We reverse.
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