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. 18, 2015
Filed:
Oct. 11, 2013
Fujitsu Limited, Kawasaki-shi, Kanagawa, JP;
Fujitsu Telecom Networks Limited, Kawasaki-shi, Kanagawa, JP;
Yuichiro Sakane, Fukuoka, JP;
Koji Bato, Fukuoka, JP;
Tatsuya Toyozumi, Onojo, JP;
Koji Matsunaga, Munakata, JP;
Wataru Kawasaki, Kawasaki, JP;
Tatsuhiko Saito, Kawasaki, JP;
FUJITSU LIMITED, Kawasaki, JP;
FUJITSU TELECOM NETWORKS LIMITED, Kawasaki, JP;
Abstract
An optical transmission device that receives a wavelength division multiplexed optical signal obtained by dividing an optical packet signal and performing wavelength multiplexing and that transmits via an optical switch the received wavelength division multiplexed optical signal includes an optical power level measurement unit configured to measure respective optical power levels of respective optical signals of wavelengths included in the wavelength division multiplexed optical signal, and a routing information determinator configured to determine routing information of the wavelength division multiplexed optical signal on the basis of the measured optical power levels.