Appeal No. 1997-1577 Page 7
Application No. 07/941,466
hard copy of a navigational chart which is correlated to said
non-real-world visual database.” The appellants assert
(answer, page 6) that “the Examiner is improperly using
hindsight to lead him to the conclusion that it would have
been obvious to create a hard copy navigational chart for the
real world Digital Map System of
Dawson . . . .” The appellants further assert (brief, page
7) that “each of the prior art references fail to teach or
suggest reading a non-real-world visual database into a
filtered data structure.”
With regard to the appellants’ first point, the examiner
takes the position (answer, pages 4 and 5) that Dawson
discloses “the steps of reading a visual database into a
filtered data structure,” and that “Dawson et al. does not
explicitly disclose that a data structure is created, however,
this is known in the art as taught by Seki et al.” The
examiner takes the position (answer, page 9) that “the
distinction between real-world data and non-real-world data is
not a patentable distinction” because “data representing a
world (whether real or non-real) is an abstraction . . .
representing an environment.”
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