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:
Jun. 06, 2017
Filed:
Jul. 28, 2015
Fujitsu Limited, Kawasaki-shi, Kanagawa, JP;
FUJITSU LIMITED, Kawasaki, JP;
Abstract
An optical transmission apparatus including: an attenuator that attenuates a power of a first optical signal generated in a first modulation method to a first target level and attenuates a power of a second optical signal generated in a second modulation method, a modulation level in the second modulation method being lower than the modulation level in the first modulation method, to a second target level, the second target level being lower than the first target level; and a transmitter that sends a WDM signal including the first optical signal and the second optical signal that have been attenuated by the attenuator.
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