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written for publication and is not binding precedent of the Board.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. 20
UNITED STATES PATENT AND TRADEMARK OFFICE
_____________
BEFORE THE BOARD OF PATENT APPEALS
AND INTERFERENCES
_____________
Ex parte CHANDRASEKHAR NARAYANASWAMI
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Appeal No. 2001-0518
Application No. 08/745,524
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ON BRIEF
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Before HAIRSTON, FLEMING, and DIXON, Administrative Patent Judges.
DIXON, Administrative Patent Judge.
DECISION ON APPEAL
This is a decision on appeal under 35 U.S.C. § 134 from the examiner’s final
rejection of claims 1 through 21, which constitute all the pending claims in the
application.
The disclosed invention relates to a panoramic three-dimensional video
conferencing system (brief at pages 2 and 3). During conferencing the source video
system calculates a difference image representing difference between a source image
and a background image. The difference image is the difference between the actual
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