Appeal No. 2000-1257
Application 08/861,350
on a wide ranging unclaimed scanning device with characteristics
such that the total thickness value is effectively boundless.
We do not agree with any of these assertions by the
examiner. Our study of the specification as filed, which
provides the basis on which the claimed invention must be
interpreted, agrees with appellants' arguments made in the
paragraph bridging pages 9 and 10 of the brief from which we
quote:
The decrease of Strehl intensity is not subjective
terminology. (1) Strehl intensity is an objectively
measurable quantity. The Strehl intensity is the
normalized maximum intensity of the radiation
distribution of the scanning spot, and is a function of
the amount of aberration: no aberration produces a
Strehl intensity of 1, and large aberrations produce a
Strehl intensity approaching zero (page 5, lines 11-
13). (2) Various factors in a player for the record
carrier determine what is the maximum permissible
decrease in the Strehl intensity. The technical
background to this problem is described at page 4, line
30 through page 5, line 4. Lines 5-15 of page 5
describe the standardized parameter known as Strehl
intensity, and make clear how it is determined and the
significance of various values.
Thus, it appears that the Strehl intensity is well known and
somewhat standardized to the artisan in the art in question and
therefore would have a reasonably definable meaning to the
artisan in light of the above-noted precedent. Of particular
note are the features recited in independent claims 22 and 23,
which define explicitly the value of "r" to be respectively 0.05
4
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