Appeal No. 1998-2974
Application No. 08/524,106
claims 25 and 27 each recite "transmitting an output signal
comprising more than one approximation of the content of the
input signal." Thus, all of the claims require that the
output signal include plural approximations of the input
signal. Darden discloses (column 6, lines 10-52) that a
subscriber stores a listing in a directory by saying the first
four letters of the name to be stored followed by the complete
name and the telephone number. To retrieve a listing in the
directory, the subscriber is asked to say the first four
letters of the name to be retrieved. Then the voice
recognition unit replies with all of the names that begin with
those first four letters, and the subscriber then confirms
which of the names is the correct listing. ( See column 6,
line 63-column 7, line 26.) Thus, the input signal consists
of the first four letters of the name to be retrieved. The
output, however, does not approximate the content of the first
four letters, as explained by appellants (Brief, page 5), but
rather includes all names stored using the four letters.
Although Darden may output multiple names, the names are not
approximations of the input. Since Darden does not meet each
and every limitation of claims 14, 18, 22, and 24, we cannot
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