Appeal No. 2002-1153
Application No. 09/063,720
determination which is based on the UBS pseudorange residual
(answer, page 6).
A rejection for anticipation under section 102 requires that
the four corners of a single prior art document describe every
element of the claimed invention, either expressly or inherently,
such that a person of ordinary skill in the art could practice
the invention without undue experimentation. See Atlas Powder
Co. v. Ireco Inc., 190 F.3d 1342, 1347, 51 USPQ2d 1943, 1947
(Fed. Cir. 1999); In re Paulsen, 30 F.3d 1475, 1478-79, 31 USPQ2d
1671, 1673 (Fed. Cir. 1994).
After a review of Cisneros, we agree with Appellants’
assertion that the claimed using a coarse position of the mobile
terminal in a GPS for obtaining an accurate position of the
terminal is absent in the reference. Cisneros relates to a
positioning system which uses Uncoordinated Beacon Signals (UBS)
from commercial radio broadcasts with synchronized signals from
an absolute positioning system (col. 1, lines 11-16). The
differential GPS corrections relied on by the Examiner are
actually timing corrections that compensate for timing
differences between the local clock of the GPS and the standard
UTC time (col. 32, lines 6-15). Furthermore, the term
“pseudorange” refers to a distance measurement which has not been
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