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:
Oct. 08, 2013
Filed:
Aug. 12, 2008
Fabio Cavaliere, Vecchiano, IT;
Stefan Dahlfort, Stockholm, SE;
Pierpaolo Ghiggino, Leamington Spa, GB;
Fabio Cavaliere, Vecchiano, IT;
Stefan Dahlfort, Stockholm, SE;
Pierpaolo Ghiggino, Leamington Spa, GB;
Telefonaktiebolaget LM Ericsson (publ), Stockholm, SE;
Abstract
An optical network includes a first passive optical network optical line terminal, coupled to a first port of a first optical filter arrangement, and a second passive optical network optical line terminal, coupled to a second port of the first optical filter arrangement. An optical coupler is connected between the second passive optical network line terminal and the second port of the first optical filter arrangement. A passive optical distribution node is coupled to a third port of the first optical filter arrangement.