Appeal No. 1997-0322
Application 08/014,574
pages 27-30]. The examiner simply reiterates his position
that appellants are making use of a commonly used statistical
technique for the express purpose for which it was intended to
be used, namely, to eliminate bias or spurious readings
[supplemental answer, pages 8-10; second supplemental answer,
page 2].
After a careful consideration of the complete record
in this case, we agree with the position of appellants. The
examiner’s position that the claimed weight setting means is
nothing more than the use of a standard statistical method is
not accurate. The claimed weight setting means calculates a
new weight value during every sampled cycle of the geomagnetic
sensor and changes the weight value each cycle based on the
magnitude of the deviation between a current cycle value and a
standard azimuth circle. The type of weighting referred to by
the examiner and taught by Helldörfer is to select a constant
weighting factor to achieve a desired time dependent weighting
of values regardless of the magnitude of sampled values. Such
selection of a constant weighting factor is the antithesis of
what appellants are seeking to accomplish with the claimed
10
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