Appeal No. 2003-0023
Application No. 09/046,289
Claim 26 is illustrative of the invention and reads as
follows:
26. Apparatus for expanding the size of a search
window of a motion estimator when encoding a sequence of
digitized video frames, comprising:
one or more chip encoders, wherein the number of
encoders is selected and defined by a user based upon the
expanded size of the search window;
wherein each encoder comprises,
a search unit to provide a coarse search to be used in
the motion estimation process,
a search interface unit for comparing computed search
results with search results from other encoders and
selecting the best result,
an intra unit for providing a base encoder function,
a search refine unit to provide a refined search around
the search results from the search unit, and
a clock unit;
wherein the intra unit and the search refine unit can
be made inoperable by control logic in the clock unit.
The Examiner relies on the following prior art:
Tayama 5,680,181 Oct. 21, 1997
Jeng et al. (Jeng) 6,011,870 Jan. 04, 2000
(filed Jul. 18, 1997)
Claims 26-45, all of the appealed claims, stand finally
rejected under 35 U.S.C. § 103(a)as being unpatentable over
Tayama in view of Jeng.
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