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:
Jan. 19, 2016
Filed:
Apr. 21, 2014
Applicants:
Fujitsu Limited, Kawasaki-shi, Kanagawa, JP;
Fujitsu Telecom Networks Limited, Kawasaki-shi, Kanagawa, JP;
Inventors:
Mitsuya Kawashita, Kawanishi, JP;
Jinlin Zhang, Neyagawa, JP;
Eiji Maeda, Kadoma, JP;
Shota Mori, Kawasaki, JP;
Assignee:
FUJITSU LIMITED, Kawasaki, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01S 3/00 (2006.01); H01S 3/067 (2006.01); H01S 5/068 (2006.01); H01S 5/50 (2006.01); H04B 10/291 (2013.01); H01S 5/04 (2006.01); H01S 5/06 (2006.01); H01S 5/062 (2006.01);
U.S. Cl.
CPC ...
H01S 3/06754 (2013.01); H01S 5/06825 (2013.01); H01S 5/5027 (2013.01); H04B 10/291 (2013.01); H01S 5/041 (2013.01); H01S 5/0617 (2013.01); H01S 5/06216 (2013.01); H04B 2210/08 (2013.01);
Abstract
An optical amplification device includes: an optical module that outputs an amplified light; and a controller that makes the optical module emit a light when an emission command is input into the controller, wherein the controller cancels an inputting of the emission command until a predetermined time passes, when a protection for forbidding a light emission of the optical module is canceled.