Appeal No. 1998-1797
Application No. 08/609,943
artisan, with regard to claims 1-5, adding Elsässer to each of
the alternative rejections with regard to claims 6 and 7.
A rejection under 35 U.S.C. 112, second paragraph, has
been withdrawn by the examiner and is no longer before us on
appeal.
Reference is made to the briefs and answer for the
respective positions of appellants and the examiner.
OPINION
We reverse.
Both Petersen and Kordik are directed to brushless DC
motors, as is the instant invention. The examiner points to
Figures 7 and 13 and column 11, lines 27-55 of Petersen as
disclosing two position detectors (Hall sensors H1 and H2)
mounted apart by a spatial angle of 45 degrees. This
satisfies the claimed angle range since the value is between 0
and 2B/N (or 180 degrees) since N, the number of phases, is
2 in Petersen. We agree with the examiner on this point.
The examiner points to Figures 2 and 6 and column 7,
lines 49-54 [sic, 48-53], of Kordik as disclosing three
position detectors (Hall sensors 62, 64, 66) mounted apart by
a spatial angle of 60 degrees. This satisfies the claimed
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