Appeal No. 97-0507
Application 08/202,609
DECISION ON APPEAL
Appellants have appealed to the Board from the examiner’s
final rejection of claims 25 to 30, which constitute all the
claims remaining in the application.
Claim 25 is reproduced below:
25. A system for determining the existence of subsurface
earth structural anomalies using aeromagnetically measured date
representative of magnetic field strength at known positions
above the surface of the earth as input data, and for producing
processed output data comprising plots of depth to basement rock
at corresponding known positions above the surface of the earth,
said system comprising:
a programmed digital computer having a memory and forming a
neural network having a multiple element input layer each element
of which is capable of receiving input digital data comprising
representations of magnetic field strengths at known positions
above the surface of the earth and for producing output signals,
each element of which is connected to plural elements of a hidden
layer of elements via a first weighted system or
interconnections, the weights of which are adjustable under
program control, and said hidden layer elements each having a sum
function and a transfer function associated therewith for summing
all input signals to each element and for applying said transfer
function to such sum to produce an output signal from each
element, and an output layer of elements each of which has an
input connected to pliral hidden layer elements via a second
weighted system of interconnections, the weights of which are
adjustable under program control, said output layer elements each
having a sum function and a transfer function associated
therewith for summing all input signals to each element and for
applying said transfer function to such sum to produce an output
signal representative of depth to basement rock at known
positions above the surface of the earth; and
program means stored in said computer memory for training
said programmed digital computer forming a neural network by
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