Appeal No. 95-1994
Application 07/732,493
As it can be easily seen,
the apparatus can be similarly
used to carry out the measurement
of another variable parameter in
equation (1), such as the
permittivity K or the overlapping
surface Ar for instance, as long
as the other parameters are fixed
(emphasis added).
The bottom of page 1 of the specification as filed
indicates Lalonde functions in a manner to determine the
distance separating the surfaces of two capacitive plates.
The first paragraph quoted above explains how this is done
according to the equation. It is done in such a manner that
certain parameters are held constant according to the equation
such as to determine the unknown variable “D”. The above
quoted second paragraph indicates that other parameters may be
determined from the equation such as permittivity K or the
overlapping surface area Ar as long as the other respective
parameters of the equation remain fixed or constant. Page 2
of the specification as filed indicates clearly that the
earlier reproduced equation in this opinion is a known
equation in the capacitive sensing art.
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