Appeal 2007-1059
Application 10/408,598
Appellants invented a method and an optical network for monitoring
the power in a multiple channel signal having a plurality of multiplexed
wavelengths. Particularly, the signal is passed through an arrayed
waveguide to remove a diffraction order for the signal, which is
subsequently monitored in a power monitor. (Specification 2 and 3).
An understanding of the invention can be derived from exemplary
independent claim 1, which reads as follows:
1. A method comprising:
receiving at least two light signals;
passing said signals through an arrayed waveguide to remove two
different diffraction orders for each signal; and
directing one of said orders for each signal to a power monitor.
In rejecting the claims on appeal, the Examiner relies upon the
following prior art:
Urino (Urino US '201) US 6,389,201 B1 May 14, 2002
Urino (Urino JP '938) JP 2001-116938 Apr. 27, 2001
Merriam-Webster’s Collegiate Dictionary, 10th edition, Merriam-
Webster, Inc., Springfield, MA, 1993, page 875.
Meyer-Arendt, J.R., “Introduction to Classical and Modern Optics”,
Fourth Edition, Prentice Hall, Englewood Cliffs, New Jersey, 1995,
pages 354-355.
The Examiner rejects the claims on appeal as follows:
Claims 1 through 16 stand rejected under 35 U.S.C. § 102(b) as being
anticipated by Urino JP '938. The Examiner refers to Urino US '201 for an
2
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