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:
Aug. 07, 2012
Filed:
Oct. 21, 2008
Osamu Takata, Yokohama, JP;
Takahiro Fujishiro, Yokohama, JP;
Tadashi Kaji, Yokohama, JP;
Kazuyoshi Hoshino, Komae, JP;
Osamu Takata, Yokohama, JP;
Takahiro Fujishiro, Yokohama, JP;
Tadashi Kaji, Yokohama, JP;
Kazuyoshi Hoshino, Komae, JP;
Hitachi, Ltd., Tokyo, JP;
Abstract
Both a management server and a validation server are installed. Both a terminal and a terminal register setting information which is usable in an encrypted communication in the management server. When carrying out the encrypted communication, the management server searches the registered setting information for coincident setting information. The management server generates keys for the encrypted communications which can be used by the terminals, and delivers these generated keys in combination with the coincident setting information. The management server authenticates both the terminals in conjunction with the validation server. Since the terminals trust such results that the management server has authenticated the terminals respectively, these terminals need not authenticate the respective communication counter terminals.