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:
Nov. 09, 2021
Filed:
May. 19, 2020
Applicant:
Fujitsu Limited, Kawasaki, JP;
Inventor:
Norifumi Shukunami, Yokohama, JP;
Assignee:
FUJITSU LIMITED, Kawasaki, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04L 7/00 (2006.01); H04L 12/707 (2013.01); H04L 12/26 (2006.01); H04L 12/721 (2013.01);
U.S. Cl.
CPC ...
H04L 7/0075 (2013.01); H04L 43/12 (2013.01); H04L 43/50 (2013.01); H04L 45/24 (2013.01); H04L 45/70 (2013.01);
Abstract
A transmission device includes a transmitter configured to output first monitoring signal light regarding monitoring control of the transmission device; and a switch that switches an output destination of the first monitoring signal light output from the transmitter to any one of a first transmission path or a second transmission path, wherein in the first transmission path, a first main signal is transmitted from the transmission device to another transmission device, and in the second transmission path, a second main signal is transmitted from the other transmission device to the transmission device.