The opinion in support of the decision being entered
today was not written for publication and is not
binding precedent of the Board.
Paper No. 18
UNITED STATES PATENT AND TRADEMARK OFFICE
BEFORE THE BOARD OF PATENT APPEALS
AND INTERFERENCES
Ex parte DAVID L. GRAUMANN, THOMAS J. BARNES
and JOHN J. BIELASZEWSKI
Appeal No. 2004-0858
Application No. 09/747,709
ON BRIEF
Before HAIRSTON, KRASS and DIXON, Administrative Patent Judges.
KRASS, Administrative Patent Judge.
DECISION ON APPEAL
This is a decision on appeal from the final rejection of
claims 1-10 and 12-14, 16, 17 and 19-24.
The invention is directed to characterizing the latency of
an audio channel of a computer. In particular, a first and
second signal sample stream are created in an audio channel, the
presence of these sample streams is detected at a point in the
-1–
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