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:
Nov. 24, 2015
Filed:
Oct. 15, 2013
Applicant:
Electronics and Telecommunications Research Institute, Daejeon-si, KR;
Inventors:
Won-Kyoung Lee, Daejeon-si, KR;
Seung-II Myong, Daejeon-si, KR;
Assignee:
ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE, Daejeon-Si, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04B 10/08 (2006.01); H04B 10/071 (2013.01);
U.S. Cl.
CPC ...
H04B 10/071 (2013.01);
Abstract
There are provided a device for monitoring an optical link fault and a method thereof. According to an embodiment of the invention, the device for monitoring an optical link fault and the method thereof apply an optical link fault monitoring signal to an optical link and precisely identify a type of the fault using waveforms of a reflected signal returned from the optical link or a wavelength dependence of reflected signal intensity.