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:
Oct. 22, 2013
Filed:
May. 30, 2006
Masahiro Ishiyama, Kawasaki, JP;
Atsushi Inoue, Kawasaki, JP;
Nobuo Okabe, Tokorozawa, JP;
Shoichi Sakane, Akishima, JP;
Masahiro Ishiyama, Kawasaki, JP;
Atsushi Inoue, Kawasaki, JP;
Nobuo Okabe, Tokorozawa, JP;
Shoichi Sakane, Akishima, JP;
Kabushiki Kaisha Toshiba, Tokyo, JP;
Yokogawa Electric Corporation, Tokyo, JP;
Abstract
A control network system connected with a node having a unique identifier includes a KDCB for distributing a first key to the node for cryptographic communication, a PSB for supplying a function name and a second key corresponding to the unique identifier to the node by the cryptographic communication using the first key, and a PS for supplying the node with setting information used for the cryptographic communication using the second key in response to a request using the function name.