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:
Sep. 23, 2014

Filed:

Dec. 18, 2009
Applicants:

Tetsuya Shigeeda, Chiyoda-ku, JP;

Hideharu Inoue, Chiyoda-ku, JP;

Hiroyuki Ohata, Chiyoda-ku, JP;

Inventors:

Tetsuya Shigeeda, Chiyoda-ku, JP;

Hideharu Inoue, Chiyoda-ku, JP;

Hiroyuki Ohata, Chiyoda-ku, JP;

Assignee:

Mitsubishi Electric Corporation, Chiyoda-Ku, Tokyo, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04L 12/56 (2006.01); H04L 29/12 (2006.01); H04L 12/701 (2013.01);
U.S. Cl.
CPC ...
H04L 45/00 (2013.01); H04L 29/12311 (2013.01); H04L 61/2084 (2013.01);
Abstract

An IP address delivery system includes an IP address delivery apparatus and a path-information granting unit. The IP address delivery apparatus includes: a path-information reading unit configured to read, from an IP address request signal transmitted from a request source of an IP address, path information of the request source; an IP address correspondence table in which a correspondence relation between the path information and the IP address is registered; and an IP-address determining unit configured to determine, based on the path information and the IP address correspondence table, an IP address delivered to the request source. The path-information granting unit is provided on a communication path between the IP address delivery apparatus and the request source and configured to grant the path information to the IP address request signal transmitted from the request source.


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