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:
Jul. 31, 2012
Filed:
Feb. 06, 2008
Osamu Kezuka, Kahoku, JP;
Kazuho Kitazawa, Kahoku, JP;
Yasuo Ishiwata, Kahoku, JP;
Masaru Sakurai, Kahoku, JP;
Sadayuki Ohyama, Kawasaki, JP;
Osamu Kezuka, Kahoku, JP;
Kazuho Kitazawa, Kahoku, JP;
Yasuo Ishiwata, Kahoku, JP;
Masaru Sakurai, Kahoku, JP;
Sadayuki Ohyama, Kawasaki, JP;
Fujitsu Limited, Kawasaki, JP;
Abstract
A communication control method is provided for an encryption processing unit connected to a connection status acquiring unit which is connected to a circuit that transmits packets on a network and acquires the status of a connection to a network for an encrypting device for encrypting the packet, and connected to an expansion card for connecting to the network, based on the network connection status requested and acquired from the connection status acquiring unit by the expansion card each prescribed period of time, by relaying and acquiring the network connection status from the connection status acquiring unit and forcibly notifying the expansion card that the connection status is connected and/or not connected, according to a requirement/criteria.