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.

Date of Patent:
Feb. 27, 2018

Filed:

Mar. 02, 2012
Applicants:

Kiyotaka Ueda, Kyoto, JP;

Toshikatsu Nakamura, Kyoto, JP;

Inventors:

Kiyotaka Ueda, Kyoto, JP;

Toshikatsu Nakamura, Kyoto, JP;

Assignee:

OMRON CORPORATION, Kyoto, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04L 29/06 (2006.01); H04L 12/701 (2013.01); H04L 12/66 (2006.01); H04L 29/08 (2006.01); H04L 12/40 (2006.01); H04L 12/46 (2006.01);
U.S. Cl.
CPC ...
H04L 69/08 (2013.01); H04L 12/40006 (2013.01); H04L 12/4625 (2013.01); H04L 12/66 (2013.01); H04L 45/00 (2013.01); H04L 67/12 (2013.01); H04L 69/18 (2013.01); H04L 2012/4026 (2013.01);
Abstract

With respect to a routing and a gateway (protocol conversion) in a network system, frame data can simply be generated even if a source node does not understand format specifications of all protocols, communication efficiency degradation caused by an enlargement of header information can be prevented as much as possible, and dealing with a new protocol can be simplified. A source node (data transmission device) transmits 'common routing information', which includes route information identifying all the nodes through which a message frame is routed from an own node to a destination node, while adding the common routing information on the message frame. Each relay node (data relay device) sequentially transfers the message frame while referring to the common routing information to perform identification of a destination, generation of a header, and update of the common routing information.


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