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:
May. 03, 2011
Filed:
Dec. 30, 2009
Applicants:
Hiroki Ooi, Kawasaki, JP;
Takashi Iwabuchi, Sapporo, JP;
Takafumi Terahara, Kawasaki, JP;
Junichi Kumasako, Yasu, JP;
George Ishikawa, Kawasaki, JP;
Tomoo Takahara, Kawasaki, JP;
Inventors:
Hiroki Ooi, Kawasaki, JP;
Takashi Iwabuchi, Sapporo, JP;
Takafumi Terahara, Kawasaki, JP;
Junichi Kumasako, Yasu, JP;
George Ishikawa, Kawasaki, JP;
Tomoo Takahara, Kawasaki, JP;
Assignee:
Fujitsu Limited, Kawasaki, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04J 14/02 (2006.01);
U.S. Cl.
CPC ...
Abstract
In order to compensate for chromatic dispersion ad dispersion slope over an entire wavelength band of the optical signal, the wavelength band is split into a plurality of bands, and chromatic dispersion compensation is made to make chromatic dispersion in a central wavelength of each of the bands zero.