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:
Jul. 15, 2008
Filed:
Jul. 13, 2006
Applicant:
Wolfram Lautenschläger, Sachsenheim, DE;
Inventor:
Wolfram Lautenschläger, Sachsenheim, DE;
Assignee:
ALCATEL, Paris, FR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01N 21/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
The invention relates to a method for monitoring an optical transmission line of an optical data network, wherein light is sent into the optical transmission line at a line input, and backscattered light of said light is detected at said line input and analysed, wherein during normal operation of said optical network, burst mode optical signals carrying a digital payload are sent onto the optical transmission line at the line input, and the backscattered light of said burst mode optical signals is detected at said line input and analysed. The inventive method is simple and cost-effective.