THIS OPINION WAS NOT WRITTEN FOR PUBLICATION
The opinion in support of the decision entered today (1) was not written for publication in a law journal and (2) is
not binding precedent of the Board.
Paper No. 20
UNITED STATES PATENT AND TRADEMARK OFFICE
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BEFORE THE BOARD OF PATENT APPEALS
AND INTERFERENCES
__________________
Ex parte MIKIYA SUZUKI, SHIGERU SHIKII,
YUKIHIRO OZEKI and SHUSEI AOKI
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Appeal No. 1999-0156
Application 08/555,901
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HEARD: 7 February 2001
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Before KRASS, SMITH, JERRY and BARRETT, Administrative Patent Judges.
SMITH, Administrative Patent Judge.
DECISION ON APPEAL
This is a decision on the appeal under 35 U.S.C. § 134 from the examiner’s
rejection of claims 1-5, 7-15 and 17-19, which constitute all the claims remaining in the
application. An amendment after final rejection was filed on July 15, 1997 and was
entered by the examiner.
The disclosed invention pertains to an optical fiber amplifier which directly amplifies
an optical signal. The gain of such amplifiers is not equal over all the wavelengths within
the applicable bandwidth. It is desirable to equalize the gain of such amplifiers over all the
applicable wavelengths of light. The invention achieves gain equalization by controlling a
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