Appeal No. 1998-0943
Application No. 08/300,500
in McCain relating to the interactive operation between the
hand-held unit and the host computer.
In response, Appellants’ primary argument (Brief, pages
10 and 11) centers on the alleged failure of McCain to
disclose that the hand-held unit provides a response to the
user in acknowledgment of received positional data from the
input subsystem as recited in appealed claim 1. We do not
find such argument to be persuasive. Positional information
is received by McCain’s hand-held unit through operation of a
touch screen input feature. As discussed at col. 1, line 66
to col. 2, line 2 of McCain, “[a] Display Touch Scanner is
used to scan the surface of the display to determine where and
when the display has been touched, to provide touch input to
the system, and to control the operation sequence for various
applications of the invention” (emphasis added). McCain does
not provide an explicit disclosure of an acknowledgment to a
user in response to the input of positional data. We note,
however, that, although McCain may not spell out every detail
of the claimed invention, a reference anticipates a claim if
it discloses the claimed invention “such that a skilled
artisan could take its teachings in combination with his own
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