The opinion in support of the decision being entered
today was not written for publication in a law journal
and is not binding precedent of the Board.
Paper No. 12
UNITED STATES PATENT AND TRADEMARK OFFICE
BEFORE THE BOARD OF PATENT APPEALS
AND INTERFERENCES
Ex parte JAMES L. GORECKI and YAOHUA YANG
Appeal No. 2001-1615
Application No. 09/053,251
ON BRIEF
Before URYNOWICZ, HAIRSTON and DIXON, Administrative Patent
Judges.
URYNOWICZ, Administrative Patent Judge.
Decision on Appeal
This appeal is from the final rejection of claims 1-3 and 5-
26.
The invention pertains to a digital-to-analog converter.
Claim 1 is illustrative and reads as follows:
1. A composite digital-to-analog converter (DAC)
comprising:
a first DAC having a first range and a first error;
-1–
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