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.

Date of Patent:
Oct. 16, 2012

Filed:

Feb. 25, 2009
Applicants:

Hiromu Yoshii, Fukuoka, JP;

Akira Yamamoto, Fukuoka, JP;

Yuichiro Sakane, Fukuoka, JP;

Masahiro Oohashi, Fukuoka, JP;

Inventors:

Hiromu Yoshii, Fukuoka, JP;

Akira Yamamoto, Fukuoka, JP;

Yuichiro Sakane, Fukuoka, JP;

Masahiro Oohashi, Fukuoka, JP;

Assignee:

Fujitsu Limited, Kawasaki, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H03M 13/00 (2006.01);
U.S. Cl.
CPC ...
Abstract

An optical transmitter and receiver has stored in advance therein FEC techniques and applicable conditions for applying the FEC techniques to a counterpart optical transmitter and receiver. The optical transmitter and receiver measures a state of receiving data transmitted from the counterpart optical transmitter and receiver, determines an applicable condition satisfying the measured data reception state from among the stored applicable conditions, and selects a FEC technique stored in association with the applicable condition determined as satisfying. The optical transmitter and receiver then notifies the counterpart optical transmitter and receiver of the selected FEC technique.


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