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.:

US 8522009 B1

PDF
Full Text
Expired
Date of Patent:
Aug. 27, 2013

Filed:

Nov. 16, 2010
Applicant:

Yoshimasa Kawana, Tokyo, JP;

Inventor:

Yoshimasa Kawana, Tokyo, JP;

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H04L 29/06 (2006.01);
U.S. Cl.
CPC ...
Abstract

A server certificate and root certificate for performing secure communication with monitoring target devices are issued in a site monitoring apparatus. Using a secret key that is paired with a public key, a digital signature is issued based on communication destination information in which the site monitoring apparatus is the communication destination and the issued root certificate, and the communication destination information, root certificate, and digital signature are transmitted to the monitoring target devices. The monitoring target devices receive the communication destination information, root certificate, and digital signature from the site monitoring apparatus. Authentication is performed on the received digital signature using the public key, and in accordance with successful authentication, the communication destination for device monitoring information is changed from a management server to the site monitoring apparatus and secure communication is performed with the site monitoring apparatus, using the received communication information and root certificate.


Find Patent Forward Citations

Kawana, Yoshimasa. (2013). Device management system, site monitoring apparatus and method (U.S. Patent No. 8522009). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/8522009

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