Appeal No. 96-3901
Application 08/192,638
teachings or suggestions. In re Sernaker, 702 F.2d 989, 995,
217 USPQ 1, 6 (Fed. Cir. 1983). "Additionally, when determin-
ing obviousness, the claimed invention should be considered as
a whole; there is no legally recognizable 'heart' of the
invention." Para-Ordnance Mfg. v. SGS Importers Int’l, Inc.,
73 F.3d 1085, 1087, 37 USPQ2d 1237, 1239 (Fed. Cir. 1995),
cert. denied, 117 S.Ct. 80 (1996) citing W. L. Gore & Assocs.,
Inc. v. Garlock, Inc., 721 F.2d 1540, 1548, 220 USPQ 303, 309
(Fed. Cir. 1983), cert. denied, 469 U.S. 851 (1984).
Appellant argues on pages 7 through 10 of the brief
and in the reply brief that Bremmer, Miwa, Volz and Ishida,
together or individually, fail to teach or suggest determining
a radial read-to-write offset between the read and write
elements at a
track on a disc surface of a disc drive system by
incrementally moving the element across a width of the track
to measure a maximum amplitude in the read signal and
incrementally moving the read element across the width of the
track to find first and second actuator offsets where the read
5
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