The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Mar. 11, 2014
Filed:
Nov. 10, 2010
Applicant:
Michael Eiselt, Kirchheim, DE;
Inventor:
Michael Eiselt, Kirchheim, DE;
Assignee:
ADVA AG Optical Networking, , DE;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H04B 10/07 (2013.01);
U.S. Cl.
CPC ...
Abstract
The invention relates to a method of operating an optical transmission system (), wherein at least one optical data signal is transmitted over an optical transmission link (), which particularly comprises at least one optical fiber (). The inventive method is characterized by modulating () said data signal with a test signal (s) having a predetermined modulation frequency fto obtain a modulated data signal (Pin), by receiving () a reflected portion (Pback) of said modulated data signal (Pin), and by determining () a fiber quality measure (a) depending on said received reflected portion (Pback) of said modulated signal (Pin).