Appeal No. 96-3767
Application 07/970,260
Representative claim 1 is reproduced below:
1. A method of performing division operations, including
the following steps:
inputting a dividend and a divisor;
determining whether a first value is present in a cache
memory, the first value representing the value of the divisor;
reading a second value from the cache memory as a reciprocal
of the divisor, the second value corresponding to the first value
and representing the reciprocal of the first value, and finding
the quotient by multiplying the second value and the dividend, in
the event that the first value is determined to be present in the
cache memory; and
finding the quotient of the dividend and the divisor by
determining a reciprocal of the divisor and multiplying the
reciprocal and the dividend, in the event that the first value is
determined to not be present in the cache memory.
The following references are relied on by the examiner:
Sierra 3,648,038 Mar. 7, 1972
Richardson 5,260,898 Nov. 9, 1993
(filing date Mar. 13, 1992)
All claims on appeal stand rejected under 35 U.S.C. § 103.
As evidence of obviousness, the examiner relies upon Richardson
alone as to claims 10 to 12 and 20 to 22. As to claims 1, 4, 5,
2
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