Appeal No. 96-4106
Application No. 08/271,238
providing the data to the first digital circuit at least
one clock period after the data is supplied the second digital
circuit, whereby the first digital circuit operates to produce
first data from the data;
holding the second data from the second digital circuit;
and
then, comparing at least selected portions of the first
and second data to issue an error signal if the comparing is
not correct.
The references relied on by the examiner are:
Zieve et al. (Zieve) 3,810,119 May 7,
1974
McDonald et al. (McDonald) 4,358,823 Nov. 9,
1982
Claims 26 through 28 and 31 through 33 stand rejected
under 35 U.S.C. § 103 as being unpatentable over McDonald.
Claims 35 and 36 stand rejected under 35 U.S.C. § 103 as
being unpatentable over McDonald in view of Zieve.
Reference is made to the brief and the answer for the
respective positions of the appellants and the examiner.
OPINION
We have carefully considered the entire record before us,
and we will sustain the obviousness rejection of claims 26
through 28, and reverse the obviousness rejection of claims 31
through 33, 35 and 36.
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