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. 09, 2024
Filed:
Mar. 20, 2020
Telefonaktiebolaget Lm Ericsson (Publ), Stockholm, SE;
Telefonaktiebolaget LM Ericsson (Publ), Stockholm, SE;
Abstract
An add-drop network element () for an optical communications network. The add-drop network element comprises an optical amplifier () having an input port and an output port. The add-drop network element comprises also comprises an optical coupler () and an optical splitter (). The optical coupler () comprises an add input port, a through input port and an output port, the output port of the optical coupler () being connected to the input port of the optical amplifier. The optical splitter () comprising a drop output port, a through output port and an input port, the input port of the optical splitter () being connected to the output port of the optical amplifier.