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:
Nov. 07, 2017

Filed:

Sep. 09, 2015
Applicant:

Fujitsu Limited, Kawasaki-shi, Kanagawa, JP;

Inventors:

Kentaro Nakamura, Machida, JP;

Yoshito Kachita, Kawasaki, JP;

Satoru Okano, Yokohama, JP;

Yusaku Yamamoto, Kawasaki, JP;

Assignee:

FUJITSU LIMITED, Kawasaki, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04B 10/08 (2006.01); H04J 14/02 (2006.01); H04B 10/294 (2013.01); H01S 3/067 (2006.01); H01S 3/16 (2006.01); H04B 10/079 (2013.01); H01S 3/13 (2006.01);
U.S. Cl.
CPC ...
H04J 14/0221 (2013.01); H04B 10/2942 (2013.01); H01S 3/06754 (2013.01); H01S 3/1301 (2013.01); H01S 3/1608 (2013.01); H04B 10/07953 (2013.01); H04B 10/07955 (2013.01);
Abstract

An optical transmission device includes a reception unit that receives a first signal light and a second signal light, the first and second lights having power levels that respectively correspond to transmission distances and being transmitted; an amplification unit that amplifies the first signal light and the second signal light in accordance with a signal light having a high power level from among the received first signal light and second signal light; and a transmission unit that performs transmission of the amplified first signal light and second signal light.


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