Appeal No. 1996-2480
Application 08/163,825
precision. In re Paulsen, 30 F.2d 1475, 1480, 31 USPQ 1671,
1674 (Fed. Cir. 1994).
On pages 3 through 5 of Appellants' specification,
Appellants define a perceptron node as recognized in the art.
In particular, Appellants point to Frank Rosenblatt,
Principles
of Neurodynamics, New York, Spartan Books (1959), U.S. Patent
No. 3,287,649 to Rosenblatt, and Marvin Minsky and Seymour
Papert, MA, MIT Press (1969) as evidence of the special
meaning of perceptron nodes. In particular, Appellants define
a perceptron node as a node that decides whether an input
belongs to one of two classes. Appellants disclose that a
perceptron separates all points in class A from those in class
B and in a two dimensional case is represented generally
mathematically by equation 2 disclosed on page 5.
From Appellants' disclosure, we find that the term
"perceptron" has a special meaning in the art as defined in
Appellants' specification on pages 3 through 5. Therefore,
when interpreting the claim language, we are required to give
the term "perceptron" this defined meaning as per the specific
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