The opinion in support of the decision being entered today was not written for publication and is not binding precedent of the Board.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. 23
UNITED STATES PATENT AND TRADEMARK OFFICE
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BEFORE THE BOARD OF PATENT APPEALS
AND INTERFERENCES
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Ex parte CRAIG M. DOWELL and GEOFFREY T. DUNBAR
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Appeal No. 2002-1777
Application No. 08/953,219
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ON BRIEF
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Before HAIRSTON, LALL, and BARRY, Administrative Patent Judges.
BARRY, Administrative Patent Judge.
DECISION ON APPEAL
A patent examiner rejected claims 1-30. The appellants appeal therefrom under
35 U.S.C. § 134(a). We reverse.
BACKGROUND
The invention at issue on appeal concerns the streaming of compressed images
over a computer network. The Joint Photographic Experts Group ("JPEG") image
compression algorithm can be used to compress images for transmission via a
computer network. JPEG operates by first transmitting initial, absolute value data and
then transmitting subsequent difference data, which is based on the preceding
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