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:
Aug. 14, 2018
Filed:
Feb. 19, 2016
Applicant:
Fujitsu Limited, Kawasaki-shi, Kanagawa, JP;
Inventors:
Kentaro Nakamura, Machida, JP;
Ryosuke Goto, Plano, TX (US);
Assignee:
FUJITSU LIMITED, Kawasaki, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04B 10/00 (2013.01); H04B 10/572 (2013.01); H04J 14/02 (2006.01);
U.S. Cl.
CPC ...
H04B 10/572 (2013.01); H04J 14/0267 (2013.01); H04J 14/0295 (2013.01);
Abstract
An optical transmission device includes: a first receiver that receives a first optical signal transmitted by a first sub carrier included in a super channel; a second receiver that receives a second optical signal transmitted by a second sub carrier included in the super channel; and an optical delay device that delays the first optical signal, based on path lengths of respective transmission paths along which the first optical signal and the second optical signal are transmitted.