Appeal No. 2002-1197
Application 09/131,167
Claim 6
Appellant argues that the combination of Koski and Haneda
does not disclose or suggest that at least one of the first and
second predetermined threshold values is adjusted to account for
analog distortion (Br14).
As discussed in connection with claim 5, the thresholds in
Koski relate to the detection of double talk and Koski does not
determine whether the output signal from the microphone is below
a first threshold or above a second threshold. Because Koski
does not have predetermined thresholds, as claimed, it does not
teach or suggest that one of the predetermined threshold values
is adjusted to account for analog distortion. Although Koski may
detect double talk to prevent distortion, this does not suggest
keeping the output signal below or above a threshold value to
account for analog distortion. The rejection of claim 6 is
reversed.
Claim 30
Appellant argues that the combination of Koski and Haneda
does not disclose or suggest that at least one of the first and
second predetermined threshold values is adjusted to account for
analog compression (Br14).
As discussed in connection with claim 5, the thresholds in
Koski relate to the detection of double talk and Koski does not
determine whether the output signal from the microphone is below
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