Optics: measuring and testing – For optical fiber or waveguide inspection
Reexamination Certificate
2005-07-26
2005-07-26
Nguyen, Tu T. (Department: 2877)
Optics: measuring and testing
For optical fiber or waveguide inspection
Reexamination Certificate
active
06922231
ABSTRACT:
A fiber-optic receiver apparatus is described, which monitors and outputs the average received optical power of the incoming optical data beam, as well as the differential amplitude signal.
REFERENCES:
patent: 5023947 (1991-06-01), Cimini et al.
patent: 6069686 (2000-05-01), Wang et al.
patent: 6639482 (2003-10-01), Geiger et al.
Hartzell Robert P.
Wang Xiangzhong
Finnegan Henderson Farabow Garrett & Dunner LLP
Nguyen Tu T.
Opnext, Inc.
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