Appeal No. 1996-2384
Application 08/226,225
easy extraction of a clock frequency at a śn rate." (Brief at
9-10.) This synchronization bit feature is depicted in
appellant's Figure 15, wherein the topmost bit of each bit
group 150 represents the synchronizing bit of the bit group
(Spec. at 24, lines 25-26). The synchronizing bits 152 of the
two bit groups in each packet are identical (i.e., both 1 or
0) but alternate between 1's and 0's from packet to packet.
However, the synchronization bit feature as described in
appellant's argument is not actually recited in claim 53,
which calls for deriving a clock signal from the
synchronization bits without explaining the format of the
synchronization bits. The 35 U.S.C. § 103 rejection of
claim 53 therefore is affirmed on the ground that its merits
were not separately argued.
Nor is appellant's characteridescription of the
synchronization bit feature as calling for a "group
synchronization bit, whose value is the same for the repeated
groups of a packet, but is different for other packets"
commensurate in scope with claim 38, which recites the feature
in question in the broadest terms: "each of said control data
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