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:
Jul. 28, 2015
Filed:
Feb. 28, 2013
Applicant:
Fujitsu Limited, Kawasaki-shi, Kanagawa, JP;
Inventor:
Masatake Miyabe, Kawasaki, JP;
Assignee:
FUJITSU LIMITED, Kawasaki, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04L 12/28 (2006.01); H04L 12/751 (2013.01); H04L 12/753 (2013.01);
U.S. Cl.
CPC ...
H04L 45/02 (2013.01); H04L 45/48 (2013.01);
Abstract
A transmission device includes a memory which stores a program, and a processor which executes, based on the program, a procedure including calculating a difference between a first time when a frame is received by a first port which is in a blocked state and a second time when the frame is received by a second port which is not in a blocked state, and correcting a frame received after topology of a network is changed in accordance with states of the first and second ports after the topology is changed and the difference.