Application No. 08/176,867
Claims 1, 4 and 5 stand rejected under 35 U.S.C. § 103
as unpatentable over Basehore in view of Clapper.
Claims 2 and 3 stand rejected under 35 U.S.C. § 103 as
unpatentable over Basehore in view of Clapper and Conway.
Claims 6, 8, 9 and 11 stand rejected under 35 U.S.C. §
103 as unpatentable over Basehore in view of Clapper and Selviah.
Claims 14-16 stand rejected under 35 U.S.C. § 103 as
unpatentable over Basehore in view of Clapper, Conway and Selviah.
The respective positions of the examiner and the
appellants with regard to the propriety of these rejections are
set forth in the examiner's final rejection and answer (Paper Nos.
5 and 9, respectively) and the appellants’ brief (Paper No. 8).
Appellants’ Invention
The invention determines the number of bits differing
between two multibit words (Hamming distance) by converting bit
differences to currents which are summed. The sum is compared to
reference currents to generate outputs. Figure 2 illustrates
apparatus wherein bit differences from bit comparator 12 turn on
3
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Last modified: November 3, 2007