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:
Dec. 27, 2016
Filed:
Jul. 03, 2012
Applicants:
Tetsuya Shigeeda, Chiyoda-ku, JP;
Shingo Honda, Chiyoda-ku, JP;
Inventors:
Tetsuya Shigeeda, Chiyoda-ku, JP;
Shingo Honda, Chiyoda-ku, JP;
Assignee:
MITSUBISHI ELECTRIC CORPORATION, Chiyoda-Ku, Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H04L 12/46 (2006.01); H04L 12/709 (2013.01); H04L 12/931 (2013.01);
U.S. Cl.
CPC ...
H04L 12/465 (2013.01); H04L 12/4641 (2013.01); H04L 12/4675 (2013.01); H04L 45/245 (2013.01); H04L 49/70 (2013.01);
Abstract
A communication apparatus for performing communication among cars of a train includes two or more connection ports, and two or more VLANs set through VLAN numbers in each connection port. When receiving a specific kind of packet for disabling the VLAN settings, the communication apparatus regards the set two or more VLANs as the same network with respect to the specific kind of packet and transfers the packet to a desired destination apparatus set in any one of the VLANs irrespective of the VLAN settings.