Appeal No. 1999-1773
Application No. 08/497,858
Representative claim 8 is reproduced as follows:
8. Apparatus for reducing short-term transients, such as due to roll momentum
unloads, in a spacecraft having a nutation compensator with a polynomial transfer function,
n-1 n-2
a s + a s + . . . + an-1 n-2 0
------------------------------------
n n-1 n-2
s + d s + d s + . . . + dn-1 n-2 0
comprising:
means for resetting one of the states of the polynomial
in proportion to the expected roll momentum unload and
producing a signal indicative thereof; and
means, responsive to said indicative signal, for producing
an equal and opposite transient to damp out the transient
due to roll unload.
The examiner does not rely on any references.
Rather than repeat the arguments of appellants or the examiner, we make reference
to the briefs and the answer for the respective details thereof.
OPINION
We have carefully considered the subject matter on appeal, the rejection advanced
by the examiner and the arguments relied upon by the examiner as support for the
rejection. We have, likewise, reviewed and taken into consideration, in reaching our
decision, the appellants’ arguments set forth in the briefs along with the examiner’s
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