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:
Apr. 01, 2014
Filed:
Nov. 27, 2008
Applicant:
Naomichi Nonaka, Kawasaki, JP;
Inventor:
Naomichi Nonaka, Kawasaki, JP;
Assignee:
Hitachi, Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04J 14/08 (2006.01); H04J 14/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
An optical multi-drop path is set to a downstream direction, an optical path between adjacent nodes is set to a upstream direction, a packet sorting unit is provided for appropriately controlling packet streams in the downstream direction and upstream direction, and one-to-one or one-to-N communication can be performed not only between servers and clients but also between the clients even when a multi-drop transmission is used in the downstream direction.