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:
Feb. 14, 2017
Filed:
May. 06, 2015
Applicant:
Hitachi, Ltd., Tokyo, JP;
Inventors:
Assignee:
Hitachi, Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H04L 29/06 (2006.01); H04L 29/12 (2006.01);
U.S. Cl.
CPC ...
H04L 63/0428 (2013.01); H04L 63/06 (2013.01); H04L 61/2007 (2013.01); H04L 61/2076 (2013.01); H04L 63/164 (2013.01);
Abstract
After an IP address of a concentrator is changed by a management server (management platform), a server and the concentrator acquire the changed IP address of the concentrator at each communication, and changes encryption settings so that a set encryption key will be associated with the changed IP address.