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. 21, 2018
Filed:
Aug. 29, 2017
Fujitsu Limited, Kawasaki-shi, Kanagawa, JP;
Miki Onaka, Kawasaki, JP;
FUJITSU LIMITED, Kawasaki, JP;
Abstract
An optical transmission device as the first optical transmission device includes a light source to output light, an optical transmitter to transmit first information regarding a reception characteristic and power consumption of the first optical transmission device to a second transmission device, an optical receiver to receive second information regarding a reception characteristic and power consumption of the second optical transmission device, an optical branching circuit to branch the light output from the light source into transmission light for the optical transmitter and local light for coherent reception by the optical receiver, and vary power of the transmission light and power of the local light individually, and a processor to control a driving condition of the optical branching circuit, based on the first information and the second information, the power of the transmission light and the power of the local light varying in accordance with the driving condition.