Patent · US Active

Network element

US8971726B2 · kind B2 · utility

0Cited by

2References

18Claims

0Family size

Assignee

Fraunhofer-Gesellschaft zur förderung der angewandten Forschung e.V. · DE

Inventors

Martin Schell · Berlin, DE
Philipp Vorreau · Lincroft, US

Key dates

Filing date	Jan 10, 2011
Grant date	Mar 3, 2015
Priority date	—
Expiry date	Oct 17, 2031

Classification

Technology area (CPC H)Electricity
CPC primaryH04J14/0219
WIPO fieldTelecommunications
WIPO sectorElectrical engineering

Abstract

A network element has at least one input, to which an optical signal can be fed, and at least one output, which is equipped to emit an optical signal; a first coupler having an input linked to the network element input and a first and a second output; an optical receiver having at least one input coupled to the second output of the first coupler and at least one output; an optical sender having at least one input of which is linked to the output of the optical receiver; a signal processing device being arranged in the signal path; a second coupler having a first input linked to the first output of the first coupler, a second input linked to the output of the optical sender, and an output which is linked to the first output of the network element.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.