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:
Mar. 31, 2009
Filed:
Jul. 09, 2008
Kyousuke Sone, Kawasaki, JP;
Yasuhiko Aoki, Kawasaki, JP;
Kyousuke Sone, Kawasaki, JP;
Yasuhiko Aoki, Kawasaki, JP;
Fujitsu Limited, Kawasaki, JP;
Abstract
An optical network system capable of directly routing optical signals without entailing multiple reception of identical wavelengths. A set wavelength output unit outputs a set wavelength. An N-axis filter receives an N-axis signal propagated through a ring of an N-axis direction and an N-axis signal split inside the local node, and performs filtering by removing a wavelength identical with that of the N-axis signal from the N-axis signal and adding the wavelength of the N-axis signal to the N-axis signal. An N-axis splitter splits the N-axis signal into two, one being output to outside through the ring of the N-axis direction while the other being output, if k<n, to a confluence with an N-axis signal, and, if k=n, to a wavelength separation filter. The filter separates a desired wavelength from the N-axis signal. Optical transmission media connect nodes so as to constitute an n-dimensional torus network.