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.:

US 6931175 B1

PDF
Full Text
Expired
Date of Patent:
Aug. 16, 2005

Filed:

Jul. 20, 2001
Applicants:

Harald Bock, Augsburg, DE;

Patrick Leisching, München, DE;

Alexander Richter, München, DE;

Detlef Stoll, Boca Raton, FL (US);

Inventors:

Harald Bock, Augsburg, DE;

Patrick Leisching, München, DE;

Alexander Richter, München, DE;

Detlef Stoll, Boca Raton, FL (US);

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02B006/28 ;
U.S. Cl.
CPC ...
Abstract

An optical network node is provided having add-drop and/or cross-connect functions, wherein the optical network node includes a first optical line with a first drop branch and a first add branch, and a second optical line with a second drop branch and a second add branch, wherein the first drop branch and the second drop branch are in each case connected to a first cross-connect and to a second cross-connect, the first add branch is connected to the first cross-connect and to the second cross-connect via a first wavelength converter, and the second add branch is connected to the first cross-connect and to the second cross-connect via a second wavelength converter.


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