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last 30 patents
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Patent Grant
Apparatus and method for monitoring in-band OSNR
Patent number
9,742,491
Issue date
Aug 22, 2017
Beijing University of Posts & Telecommunications
Jifang Qiu
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Patents Applications
last 30 patents
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Patent Application
APPARATUS AND METHOD FOR MONITORING IN-BAND OSNR
Publication number
20150349880
Publication date
Dec 3, 2015
Beijing University of Posts and Telecommunications
Jifang QIU
H04 - ELECTRIC COMMUNICATION TECHNIQUE